./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.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 0ef53c0bbc15a34f2b98e209c72e5a20e457b197773f70e6e1b41920252205f6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:59:26,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:59:26,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:59:26,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:59:26,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:59:26,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:59:26,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:59:26,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:59:26,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:59:26,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:59:26,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:59:26,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:59:26,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:59:26,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:59:26,367 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:59:26,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:59:26,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:59:26,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:59:26,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:59:26,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:59:26,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:59:26,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:59:26,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:59:26,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:59:26,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:59:26,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:59:26,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:59:26,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:59:26,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:59:26,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:59:26,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:59:26,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:59:26,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:59:26,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:59:26,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:59:26,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:59:26,376 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:59:26,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:59:26,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:59:26,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:59:26,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:59:26,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:59:26,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ef53c0bbc15a34f2b98e209c72e5a20e457b197773f70e6e1b41920252205f6 [2024-10-24 08:59:26,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:59:26,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:59:26,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:59:26,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:59:26,661 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:59:26,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i [2024-10-24 08:59:28,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:59:28,266 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:59:28,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i [2024-10-24 08:59:28,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697f1dc5e/0d706818fe3d4134929d10d148df56d0/FLAG29460cc4f [2024-10-24 08:59:28,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697f1dc5e/0d706818fe3d4134929d10d148df56d0 [2024-10-24 08:59:28,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:59:28,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:59:28,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:59:28,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:59:28,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:59:28,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:28,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3718c871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28, skipping insertion in model container [2024-10-24 08:59:28,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:28,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:59:28,867 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_floatingpointinfluence_no-floats_file-84.i[916,929] [2024-10-24 08:59:28,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:59:28,926 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:59:28,937 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_floatingpointinfluence_no-floats_file-84.i[916,929] [2024-10-24 08:59:28,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:59:28,975 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:59:28,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28 WrapperNode [2024-10-24 08:59:28,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:59:28,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:59:28,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:59:28,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:59:28,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:28,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,030 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-10-24 08:59:29,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:59:29,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:59:29,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:59:29,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:59:29,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,083 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]. [2024-10-24 08:59:29,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:59:29,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:59:29,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:59:29,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:59:29,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (1/1) ... [2024-10-24 08:59:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:59:29,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:59:29,157 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) [2024-10-24 08:59:29,160 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 [2024-10-24 08:59:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:59:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:59:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:59:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:59:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:59:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:59:29,269 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:59:29,272 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:59:29,579 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:59:29,580 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:59:29,630 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:59:29,634 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:59:29,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:59:29 BoogieIcfgContainer [2024-10-24 08:59:29,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:59:29,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:59:29,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:59:29,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:59:29,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:59:28" (1/3) ... [2024-10-24 08:59:29,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1fbf78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:59:29, skipping insertion in model container [2024-10-24 08:59:29,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:59:28" (2/3) ... [2024-10-24 08:59:29,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1fbf78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:59:29, skipping insertion in model container [2024-10-24 08:59:29,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:59:29" (3/3) ... [2024-10-24 08:59:29,647 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-84.i [2024-10-24 08:59:29,665 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:59:29,665 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:59:29,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:59:29,731 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;@6e5868dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:59:29,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:59:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 08:59:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 08:59:29,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:59:29,749 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:59:29,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:59:29,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:59:29,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1877010668, now seen corresponding path program 1 times [2024-10-24 08:59:29,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:59:29,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987008637] [2024-10-24 08:59:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:59:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:59:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:59:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:59:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:59:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:59:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:59:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:59:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:59:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:59:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:59:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:59:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:59:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:59:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:59:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:59:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:59:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:59:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:59:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:59:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:59:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:59:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:59:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 08:59:30,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:59:30,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987008637] [2024-10-24 08:59:30,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987008637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:59:30,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:59:30,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:59:30,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104065045] [2024-10-24 08:59:30,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:59:30,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:59:30,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:59:30,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:59:30,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:59:30,193 INFO L87 Difference]: Start difference. First operand has 50 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 08:59:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:59:30,234 INFO L93 Difference]: Finished difference Result 97 states and 175 transitions. [2024-10-24 08:59:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:59:30,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 125 [2024-10-24 08:59:30,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:59:30,249 INFO L225 Difference]: With dead ends: 97 [2024-10-24 08:59:30,250 INFO L226 Difference]: Without dead ends: 48 [2024-10-24 08:59:30,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:59:30,258 INFO L432 NwaCegarLoop]: 70 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, 70 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 [2024-10-24 08:59:30,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:59:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-24 08:59:30,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-24 08:59:30,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 08:59:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 73 transitions. [2024-10-24 08:59:30,316 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 73 transitions. Word has length 125 [2024-10-24 08:59:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:59:30,317 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 73 transitions. [2024-10-24 08:59:30,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 08:59:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-10-24 08:59:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 08:59:30,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:59:30,322 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:59:30,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:59:30,322 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:59:30,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:59:30,323 INFO L85 PathProgramCache]: Analyzing trace with hash 807115050, now seen corresponding path program 1 times [2024-10-24 08:59:30,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:59:30,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519931116] [2024-10-24 08:59:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:59:30,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:59:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:59:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:59:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:59:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:59:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:59:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:59:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:59:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:59:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:59:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:59:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:59:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:59:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:59:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:59:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:59:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:59:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:59:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:59:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:59:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:59:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:59:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 08:59:40,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:59:40,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519931116] [2024-10-24 08:59:40,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519931116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:59:40,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:59:40,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:59:40,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383058120] [2024-10-24 08:59:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:59:40,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:59:40,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:59:40,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:59:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:59:40,305 INFO L87 Difference]: Start difference. First operand 48 states and 73 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 08:59:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:59:44,640 INFO L93 Difference]: Finished difference Result 116 states and 171 transitions. [2024-10-24 08:59:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 08:59:44,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2024-10-24 08:59:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:59:44,645 INFO L225 Difference]: With dead ends: 116 [2024-10-24 08:59:44,647 INFO L226 Difference]: Without dead ends: 114 [2024-10-24 08:59:44,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2024-10-24 08:59:44,650 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 87 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 08:59:44,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 300 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 08:59:44,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-24 08:59:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 102. [2024-10-24 08:59:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 57 states have (on average 1.280701754385965) internal successors, (73), 57 states have internal predecessors, (73), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 08:59:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 157 transitions. [2024-10-24 08:59:44,694 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 157 transitions. Word has length 125 [2024-10-24 08:59:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:59:44,695 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 157 transitions. [2024-10-24 08:59:44,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 08:59:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2024-10-24 08:59:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 08:59:44,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:59:44,698 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:59:44,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:59:44,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:59:44,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:59:44,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2231576, now seen corresponding path program 1 times [2024-10-24 08:59:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:59:44,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204838536] [2024-10-24 08:59:44,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:59:44,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:59:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:59:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:59:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:59:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:59:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:59:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:59:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:59:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:59:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:59:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:59:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:59:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:59:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:59:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:59:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:59:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:59:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:59:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:59:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:59:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:59:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:59:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 08:59:44,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:59:44,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204838536] [2024-10-24 08:59:44,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204838536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:59:44,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:59:44,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:59:44,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893568765] [2024-10-24 08:59:44,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:59:44,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:59:44,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:59:44,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:59:44,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:59:44,931 INFO L87 Difference]: Start difference. First operand 102 states and 157 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 08:59:45,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:59:45,088 INFO L93 Difference]: Finished difference Result 198 states and 303 transitions. [2024-10-24 08:59:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 08:59:45,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2024-10-24 08:59:45,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:59:45,091 INFO L225 Difference]: With dead ends: 198 [2024-10-24 08:59:45,091 INFO L226 Difference]: Without dead ends: 97 [2024-10-24 08:59:45,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 08:59:45,097 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 46 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:59:45,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 273 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:59:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-24 08:59:45,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2024-10-24 08:59:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 08:59:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 144 transitions. [2024-10-24 08:59:45,123 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 144 transitions. Word has length 125 [2024-10-24 08:59:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:59:45,125 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 144 transitions. [2024-10-24 08:59:45,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 08:59:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2024-10-24 08:59:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-24 08:59:45,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:59:45,129 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2024-10-24 08:59:45,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:59:45,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:59:45,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:59:45,130 INFO L85 PathProgramCache]: Analyzing trace with hash -565550163, now seen corresponding path program 1 times [2024-10-24 08:59:45,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:59:45,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063004776] [2024-10-24 08:59:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:59:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:59:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:59:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:59:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:59:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:59:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:59:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:59:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:59:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:59:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:59:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:59:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:59:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:59:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:59:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:59:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:59:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:59:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:59:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:59:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:59:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:59:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:59:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 08:59:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 08:59:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 08:59:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 08:59:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 08:59:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 08:59:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 08:59:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 08:59:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 08:59:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 08:59:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 08:59:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 08:59:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 08:59:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 08:59:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 08:59:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 08:59:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 08:59:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 08:59:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 08:59:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 08:59:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 08:59:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2024-10-24 08:59:52,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:59:52,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063004776] [2024-10-24 08:59:52,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063004776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:59:52,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:59:52,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:59:52,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050090358] [2024-10-24 08:59:52,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:59:52,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:59:52,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:59:52,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:59:52,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:59:52,926 INFO L87 Difference]: Start difference. First operand 95 states and 144 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 08:59:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:59:53,725 INFO L93 Difference]: Finished difference Result 116 states and 171 transitions. [2024-10-24 08:59:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:59:53,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 250 [2024-10-24 08:59:53,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:59:53,727 INFO L225 Difference]: With dead ends: 116 [2024-10-24 08:59:53,728 INFO L226 Difference]: Without dead ends: 114 [2024-10-24 08:59:53,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:59:53,729 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 24 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:59:53,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 271 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:59:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-24 08:59:53,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 99. [2024-10-24 08:59:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 08:59:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 151 transitions. [2024-10-24 08:59:53,746 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 151 transitions. Word has length 250 [2024-10-24 08:59:53,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:59:53,747 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 151 transitions. [2024-10-24 08:59:53,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 08:59:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2024-10-24 08:59:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-24 08:59:53,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:59:53,753 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-24 08:59:53,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:59:53,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:59:53,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:59:53,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1209457199, now seen corresponding path program 1 times [2024-10-24 08:59:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:59:53,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79721901] [2024-10-24 08:59:53,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:59:53,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:59:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:59:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:59:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:59:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:59:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:59:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:59:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:59:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:59:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:59:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:59:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:59:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:59:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:59:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:59:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:59:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:59:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:59:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:59:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:59:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:59:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:59:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 08:59:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 08:59:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 08:59:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 08:59:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 08:59:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 08:59:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 08:59:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 08:59:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 08:59:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 08:59:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 08:59:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 08:59:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 08:59:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 08:59:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 08:59:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 08:59:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 08:59:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 08:59:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 08:59:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 08:59:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 08:59:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:59:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2024-10-24 08:59:59,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:59:59,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79721901] [2024-10-24 08:59:59,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79721901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:59:59,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:59:59,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:59:59,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893434697] [2024-10-24 08:59:59,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:59:59,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:59:59,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:59:59,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:59:59,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:59:59,352 INFO L87 Difference]: Start difference. First operand 99 states and 151 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 09:00:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:00,240 INFO L93 Difference]: Finished difference Result 117 states and 176 transitions. [2024-10-24 09:00:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:00:00,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 250 [2024-10-24 09:00:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:00,242 INFO L225 Difference]: With dead ends: 117 [2024-10-24 09:00:00,243 INFO L226 Difference]: Without dead ends: 115 [2024-10-24 09:00:00,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:00:00,244 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 13 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:00:00,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 230 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 09:00:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-24 09:00:00,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 100. [2024-10-24 09:00:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 55 states have internal predecessors, (69), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 09:00:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 153 transitions. [2024-10-24 09:00:00,261 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 153 transitions. Word has length 250 [2024-10-24 09:00:00,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:00,261 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 153 transitions. [2024-10-24 09:00:00,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 09:00:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2024-10-24 09:00:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-24 09:00:00,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:00,264 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:00:00,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 09:00:00,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:00,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash 400110573, now seen corresponding path program 1 times [2024-10-24 09:00:00,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:00,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925055524] [2024-10-24 09:00:00,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:00:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:00:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:00:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:00:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:00:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:00:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:00:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:00:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:00:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:00:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:00:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:00:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 09:00:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:00:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 09:00:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:00:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:00:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:00:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:00:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:00:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:00:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 09:00:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 09:00:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 09:00:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 09:00:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 09:00:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 09:00:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 09:00:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 09:00:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 09:00:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 09:00:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 09:00:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 09:00:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 09:00:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 09:00:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 09:00:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 09:00:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 09:00:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 09:00:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 09:00:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 09:00:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 09:00:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2024-10-24 09:00:03,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:00:03,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925055524] [2024-10-24 09:00:03,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925055524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:00:03,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:00:03,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 09:00:03,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022444854] [2024-10-24 09:00:03,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:00:03,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 09:00:03,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:00:03,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 09:00:03,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 09:00:03,291 INFO L87 Difference]: Start difference. First operand 100 states and 153 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 09:00:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:03,646 INFO L93 Difference]: Finished difference Result 108 states and 164 transitions. [2024-10-24 09:00:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 09:00:03,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 250 [2024-10-24 09:00:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:03,648 INFO L225 Difference]: With dead ends: 108 [2024-10-24 09:00:03,648 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 09:00:03,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:00:03,650 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 16 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 09:00:03,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 312 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 09:00:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 09:00:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 09:00:03,651 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) [2024-10-24 09:00:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 09:00:03,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2024-10-24 09:00:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:03,654 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 09:00:03,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 09:00:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 09:00:03,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 09:00:03,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 09:00:03,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 09:00:03,667 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-24 09:00:03,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 09:00:04,552 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 09:00:04,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:00:04 BoogieIcfgContainer [2024-10-24 09:00:04,591 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 09:00:04,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 09:00:04,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 09:00:04,592 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 09:00:04,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:59:29" (3/4) ... [2024-10-24 09:00:04,594 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 09:00:04,598 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-24 09:00:04,604 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 09:00:04,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-24 09:00:04,606 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 09:00:04,606 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 09:00:04,704 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 09:00:04,705 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 09:00:04,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 09:00:04,706 INFO L158 Benchmark]: Toolchain (without parser) took 36068.02ms. Allocated memory was 153.1MB in the beginning and 750.8MB in the end (delta: 597.7MB). Free memory was 99.1MB in the beginning and 679.7MB in the end (delta: -580.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,706 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 09:00:04,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.87ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 84.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.72ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 80.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,707 INFO L158 Benchmark]: Boogie Preprocessor took 86.56ms. Allocated memory is still 153.1MB. Free memory was 80.3MB in the beginning and 74.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,707 INFO L158 Benchmark]: RCFGBuilder took 514.55ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 74.8MB in the beginning and 165.0MB in the end (delta: -90.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,707 INFO L158 Benchmark]: TraceAbstraction took 34953.67ms. Allocated memory was 205.5MB in the beginning and 750.8MB in the end (delta: 545.3MB). Free memory was 164.1MB in the beginning and 686.0MB in the end (delta: -521.9MB). Peak memory consumption was 441.3MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,709 INFO L158 Benchmark]: Witness Printer took 113.75ms. Allocated memory is still 750.8MB. Free memory was 686.0MB in the beginning and 679.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 09:00:04,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.87ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 84.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.72ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 80.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.56ms. Allocated memory is still 153.1MB. Free memory was 80.3MB in the beginning and 74.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 514.55ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 74.8MB in the beginning and 165.0MB in the end (delta: -90.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34953.67ms. Allocated memory was 205.5MB in the beginning and 750.8MB in the end (delta: 545.3MB). Free memory was 164.1MB in the beginning and 686.0MB in the end (delta: -521.9MB). Peak memory consumption was 441.3MB. Max. memory is 16.1GB. * Witness Printer took 113.75ms. Allocated memory is still 750.8MB. Free memory was 686.0MB in the beginning and 679.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.0s, OverallIterations: 6, TraceHistogramMax: 42, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 1456 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1067 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 565 IncrementalHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 389 mSDtfsCounter, 565 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=2, InterpolantAutomatonStates: 46, 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, 44 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1119 ConstructedInterpolants, 0 QuantifiedInterpolants, 7438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 12969/12969 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: 107]: Loop Invariant Derived loop invariant: ((((var_1_11 + 4) <= 0) && ((last_1_var_1_11 + 4) <= 0)) || (((((var_1_6 < (var_1_5 + 1)) || (((var_1_4 == var_1_1) || (last_1_var_1_8 != last_1_var_1_11)) && ((last_1_var_1_8 == last_1_var_1_11) || (((((short) var_1_4 + var_1_5) % 256) == var_1_1) && ((var_1_7 + 1) <= var_1_5))))) && ((((var_1_4 == var_1_1) || (last_1_var_1_8 != last_1_var_1_11)) && ((last_1_var_1_8 == last_1_var_1_11) || ((var_1_1 == (((short) var_1_4 + var_1_6) % 256)) && ((var_1_7 + 1) <= var_1_6)))) || (var_1_5 < var_1_6))) || ((((short) var_1_4 + var_1_7) % 256) == var_1_1)) && ((((var_1_6 < (var_1_5 + 1)) || (((var_1_5 < (var_1_7 + 1)) || (last_1_var_1_8 == last_1_var_1_11)) && ((var_1_4 == var_1_1) || (last_1_var_1_8 != last_1_var_1_11)))) && ((var_1_5 < var_1_6) || (((var_1_4 == var_1_1) || (last_1_var_1_8 != last_1_var_1_11)) && ((last_1_var_1_8 == last_1_var_1_11) || (var_1_6 < (var_1_7 + 1)))))) || ((((short) var_1_4 + var_1_7) % 256) != var_1_1)))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (last_1_var_1_8 == \old(last_1_var_1_8))) && (last_1_var_1_11 == \old(last_1_var_1_11))) RESULT: Ultimate proved your program to be correct! [2024-10-24 09:00:04,920 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