./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.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 213a6773a680bcbd913164a5664bc5a26b44f83b15a409d83afc4623b719c3ae --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:29:33,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:29:33,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:29:33,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:29:33,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:29:33,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:29:33,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:29:33,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:29:33,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:29:33,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:29:33,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:29:33,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:29:33,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:29:33,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:29:33,369 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:29:33,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:29:33,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:29:33,369 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:29:33,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:29:33,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:29:33,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:29:33,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:29:33,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:29:33,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:29:33,373 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:29:33,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:29:33,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:29:33,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:29:33,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:29:33,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:29:33,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:29:33,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:29:33,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:29:33,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:29:33,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:29:33,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:29:33,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:29:33,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:29:33,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:29:33,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:29:33,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:29:33,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:29:33,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213a6773a680bcbd913164a5664bc5a26b44f83b15a409d83afc4623b719c3ae [2024-10-14 12:29:33,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:29:33,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:29:33,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:29:33,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:29:33,713 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:29:33,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i [2024-10-14 12:29:35,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:29:35,526 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:29:35,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i [2024-10-14 12:29:35,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a0bebdf/81ba3cf942674a8ebb02834e08c69446/FLAGaf1ba1d5d [2024-10-14 12:29:35,559 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84a0bebdf/81ba3cf942674a8ebb02834e08c69446 [2024-10-14 12:29:35,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:29:35,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:29:35,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:29:35,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:29:35,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:29:35,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524a36ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35, skipping insertion in model container [2024-10-14 12:29:35,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:29:35,770 WARN L248 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_operatoramount_amount10_file-90.i[915,928] [2024-10-14 12:29:35,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:29:35,829 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:29:35,843 WARN L248 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_operatoramount_amount10_file-90.i[915,928] [2024-10-14 12:29:35,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:29:35,881 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:29:35,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35 WrapperNode [2024-10-14 12:29:35,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:29:35,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:29:35,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:29:35,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:29:35,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,924 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-10-14 12:29:35,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:29:35,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:29:35,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:29:35,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:29:35,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,960 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]. [2024-10-14 12:29:35,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:29:35,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:29:35,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:29:35,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:29:35,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (1/1) ... [2024-10-14 12:29:35,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:29:36,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:29:36,027 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) [2024-10-14 12:29:36,035 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 [2024-10-14 12:29:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:29:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:29:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:29:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:29:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:29:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:29:36,158 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:29:36,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:29:36,316 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-14 12:29:36,317 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:29:36,398 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:29:36,399 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:29:36,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:36 BoogieIcfgContainer [2024-10-14 12:29:36,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:29:36,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:29:36,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:29:36,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:29:36,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:29:35" (1/3) ... [2024-10-14 12:29:36,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7ae60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:29:36, skipping insertion in model container [2024-10-14 12:29:36,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:29:35" (2/3) ... [2024-10-14 12:29:36,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7ae60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:29:36, skipping insertion in model container [2024-10-14 12:29:36,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:36" (3/3) ... [2024-10-14 12:29:36,417 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-90.i [2024-10-14 12:29:36,467 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:29:36,471 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:29:36,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:29:36,571 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;@3615e80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:29:36,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:29:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 12:29:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 12:29:36,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:36,593 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:36,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:36,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:36,602 INFO L85 PathProgramCache]: Analyzing trace with hash -442396986, now seen corresponding path program 1 times [2024-10-14 12:29:36,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:36,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380390761] [2024-10-14 12:29:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:29:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 12:29:36,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:36,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380390761] [2024-10-14 12:29:36,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380390761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:36,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:36,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:29:36,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6044639] [2024-10-14 12:29:36,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:36,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:29:36,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:36,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:29:36,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:29:36,961 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 12:29:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:36,997 INFO L93 Difference]: Finished difference Result 51 states and 84 transitions. [2024-10-14 12:29:36,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:29:37,000 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2024-10-14 12:29:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:37,007 INFO L225 Difference]: With dead ends: 51 [2024-10-14 12:29:37,007 INFO L226 Difference]: Without dead ends: 25 [2024-10-14 12:29:37,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:29:37,013 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:37,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:29:37,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-14 12:29:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-14 12:29:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-14 12:29:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2024-10-14 12:29:37,050 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 50 [2024-10-14 12:29:37,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:37,050 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-14 12:29:37,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 12:29:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-10-14 12:29:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 12:29:37,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:37,057 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:37,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:29:37,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:37,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:37,058 INFO L85 PathProgramCache]: Analyzing trace with hash -2130960698, now seen corresponding path program 1 times [2024-10-14 12:29:37,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:37,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766865677] [2024-10-14 12:29:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:37,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:29:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 12:29:37,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:37,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766865677] [2024-10-14 12:29:37,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766865677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:37,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:37,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 12:29:37,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599903973] [2024-10-14 12:29:37,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:37,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 12:29:37,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:37,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 12:29:37,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:29:37,564 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:37,777 INFO L93 Difference]: Finished difference Result 56 states and 74 transitions. [2024-10-14 12:29:37,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 12:29:37,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 50 [2024-10-14 12:29:37,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:37,780 INFO L225 Difference]: With dead ends: 56 [2024-10-14 12:29:37,781 INFO L226 Difference]: Without dead ends: 54 [2024-10-14 12:29:37,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-14 12:29:37,783 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 23 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:37,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 117 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:29:37,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-14 12:29:37,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2024-10-14 12:29:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 12:29:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2024-10-14 12:29:37,812 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 50 [2024-10-14 12:29:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:37,813 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2024-10-14 12:29:37,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2024-10-14 12:29:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 12:29:37,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:37,815 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:37,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:29:37,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:37,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:37,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1634990640, now seen corresponding path program 1 times [2024-10-14 12:29:37,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:37,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657915460] [2024-10-14 12:29:37,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:37,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:29:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-14 12:29:38,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:38,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657915460] [2024-10-14 12:29:38,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657915460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:38,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:38,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 12:29:38,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588326294] [2024-10-14 12:29:38,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:38,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:29:38,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:38,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:29:38,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:29:38,147 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:38,309 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions. [2024-10-14 12:29:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:29:38,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 51 [2024-10-14 12:29:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:38,311 INFO L225 Difference]: With dead ends: 71 [2024-10-14 12:29:38,313 INFO L226 Difference]: Without dead ends: 47 [2024-10-14 12:29:38,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 12:29:38,314 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 16 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:38,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 99 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:29:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-14 12:29:38,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-10-14 12:29:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 12:29:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-10-14 12:29:38,332 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 51 [2024-10-14 12:29:38,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:38,333 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-10-14 12:29:38,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-10-14 12:29:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 12:29:38,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:38,335 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 12:29:38,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 12:29:38,336 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:38,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:38,341 INFO L85 PathProgramCache]: Analyzing trace with hash -133988906, now seen corresponding path program 1 times [2024-10-14 12:29:38,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:38,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349564813] [2024-10-14 12:29:38,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:38,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:29:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:29:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:29:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:29:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:29:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:29:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:29:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:29:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:29:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-10-14 12:29:38,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:38,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349564813] [2024-10-14 12:29:38,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349564813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:38,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:38,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 12:29:38,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948140021] [2024-10-14 12:29:38,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:38,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:29:38,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:38,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:29:38,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:29:38,634 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:38,708 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2024-10-14 12:29:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:29:38,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 99 [2024-10-14 12:29:38,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:38,711 INFO L225 Difference]: With dead ends: 51 [2024-10-14 12:29:38,711 INFO L226 Difference]: Without dead ends: 49 [2024-10-14 12:29:38,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:29:38,714 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:38,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 96 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:29:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-14 12:29:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2024-10-14 12:29:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 12:29:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-10-14 12:29:38,732 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 99 [2024-10-14 12:29:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:38,733 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-10-14 12:29:38,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-10-14 12:29:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 12:29:38,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:38,737 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:38,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 12:29:38,738 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:38,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:38,738 INFO L85 PathProgramCache]: Analyzing trace with hash 141592768, now seen corresponding path program 1 times [2024-10-14 12:29:38,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:38,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942985552] [2024-10-14 12:29:38,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:38,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:29:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:29:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:29:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:29:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:29:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:29:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:29:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:29:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:29:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-10-14 12:29:39,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:39,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942985552] [2024-10-14 12:29:39,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942985552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:39,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:39,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 12:29:39,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698565581] [2024-10-14 12:29:39,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:39,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 12:29:39,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:39,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 12:29:39,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:29:39,059 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:39,151 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2024-10-14 12:29:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 12:29:39,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 100 [2024-10-14 12:29:39,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:39,153 INFO L225 Difference]: With dead ends: 51 [2024-10-14 12:29:39,153 INFO L226 Difference]: Without dead ends: 49 [2024-10-14 12:29:39,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 12:29:39,154 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:39,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 112 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:29:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-14 12:29:39,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2024-10-14 12:29:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 12:29:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-10-14 12:29:39,173 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 100 [2024-10-14 12:29:39,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:39,175 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-10-14 12:29:39,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-10-14 12:29:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 12:29:39,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:29:39,177 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:29:39,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 12:29:39,179 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:29:39,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:29:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash 141652350, now seen corresponding path program 1 times [2024-10-14 12:29:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:29:39,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911574528] [2024-10-14 12:29:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:29:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:29:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:29:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:29:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:29:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:29:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:29:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:29:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:29:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:29:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:29:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:29:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:29:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:29:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:29:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:29:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:29:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:29:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:29:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-10-14 12:29:39,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:29:39,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911574528] [2024-10-14 12:29:39,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911574528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:29:39,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:29:39,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 12:29:39,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160473723] [2024-10-14 12:29:39,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:29:39,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 12:29:39,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:29:39,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 12:29:39,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:29:39,453 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:39,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:29:39,548 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2024-10-14 12:29:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 12:29:39,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 100 [2024-10-14 12:29:39,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:29:39,549 INFO L225 Difference]: With dead ends: 47 [2024-10-14 12:29:39,549 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 12:29:39,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 12:29:39,551 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:29:39,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:29:39,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 12:29:39,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 12:29:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 12:29:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 12:29:39,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2024-10-14 12:29:39,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:29:39,556 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 12:29:39,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-14 12:29:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 12:29:39,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 12:29:39,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:29:39,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 12:29:39,566 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 12:29:39,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 12:29:39,606 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 12:29:39,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:29:39 BoogieIcfgContainer [2024-10-14 12:29:39,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 12:29:39,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 12:29:39,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 12:29:39,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 12:29:39,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:29:36" (3/4) ... [2024-10-14 12:29:39,626 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 12:29:39,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-14 12:29:39,634 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 12:29:39,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-14 12:29:39,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 12:29:39,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 12:29:39,719 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 12:29:39,719 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 12:29:39,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 12:29:39,720 INFO L158 Benchmark]: Toolchain (without parser) took 4154.83ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 104.9MB in the beginning and 100.8MB in the end (delta: 4.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,720 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 12:29:39,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.25ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 92.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.77ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 90.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,721 INFO L158 Benchmark]: Boogie Preprocessor took 61.75ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,721 INFO L158 Benchmark]: RCFGBuilder took 412.27ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 115.5MB in the end (delta: -26.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,721 INFO L158 Benchmark]: TraceAbstraction took 3220.79ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 115.0MB in the beginning and 106.0MB in the end (delta: 8.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,722 INFO L158 Benchmark]: Witness Printer took 96.60ms. Allocated memory is still 178.3MB. Free memory was 106.0MB in the beginning and 100.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 12:29:39,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.25ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 92.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.77ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 90.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.75ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.27ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 115.5MB in the end (delta: -26.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3220.79ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 115.0MB in the beginning and 106.0MB in the end (delta: 8.9MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 96.60ms. Allocated memory is still 178.3MB. Free memory was 106.0MB in the beginning and 100.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 558 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 171 mSDtfsCounter, 275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=2, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 19 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 444 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1824/1824 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2024-10-14 12:29:39,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE