./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c -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 b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:09:06,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:09:06,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:09:06,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:09:06,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:09:06,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:09:06,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:09:06,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:09:06,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:09:06,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:09:06,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:09:06,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:09:06,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:09:06,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:09:06,710 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:09:06,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:09:06,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:09:06,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:09:06,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:09:06,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:09:06,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:09:06,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:09:06,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:09:06,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:09:06,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:09:06,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:09:06,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:09:06,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:09:06,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:09:06,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:09:06,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:09:06,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:09:06,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:09:06,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:09:06,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:09:06,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:09:06,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:09:06,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:09:06,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:09:06,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:09:06,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:09:06,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:09:06,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2024-11-19 22:09:06,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:09:06,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:09:06,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:09:06,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:09:06,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:09:06,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2024-11-19 22:09:08,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:09:08,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:09:08,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2024-11-19 22:09:08,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849db9ca0/7f3143da59c7453292bbc8530e7bf29c/FLAG50bbb6334 [2024-11-19 22:09:08,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849db9ca0/7f3143da59c7453292bbc8530e7bf29c [2024-11-19 22:09:08,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:09:08,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:09:08,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:09:08,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:09:08,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:09:08,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de20fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08, skipping insertion in model container [2024-11-19 22:09:08,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:09:08,750 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-11-19 22:09:08,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:09:08,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:09:08,777 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-11-19 22:09:08,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:09:08,795 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:09:08,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08 WrapperNode [2024-11-19 22:09:08,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:09:08,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:09:08,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:09:08,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:09:08,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,842 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-19 22:09:08,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:09:08,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:09:08,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:09:08,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:09:08,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,880 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 22:09:08,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:09:08,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:09:08,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:09:08,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:09:08,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (1/1) ... [2024-11-19 22:09:08,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:09:08,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:08,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 22:09:08,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 22:09:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-11-19 22:09:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-11-19 22:09:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:09:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:09:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:09:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:09:09,029 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:09:09,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:09:09,124 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-19 22:09:09,124 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:09:09,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:09:09,142 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 22:09:09,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:09:09 BoogieIcfgContainer [2024-11-19 22:09:09,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:09:09,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:09:09,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:09:09,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:09:09,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:09:08" (1/3) ... [2024-11-19 22:09:09,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72362a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:09:09, skipping insertion in model container [2024-11-19 22:09:09,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:09:08" (2/3) ... [2024-11-19 22:09:09,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72362a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:09:09, skipping insertion in model container [2024-11-19 22:09:09,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:09:09" (3/3) ... [2024-11-19 22:09:09,151 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-11-19 22:09:09,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:09:09,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:09:09,212 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:09:09,219 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;@1b60fdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:09:09,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:09:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 22:09:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 22:09:09,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:09,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:09,234 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:09,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2024-11-19 22:09:09,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:09,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951437700] [2024-11-19 22:09:09,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:09:09,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:09,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951437700] [2024-11-19 22:09:09,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951437700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:09:09,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:09:09,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:09:09,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692313501] [2024-11-19 22:09:09,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:09:09,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:09:09,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:09,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:09:09,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:09:09,541 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:09:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:09,625 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2024-11-19 22:09:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:09:09,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-19 22:09:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:09,633 INFO L225 Difference]: With dead ends: 30 [2024-11-19 22:09:09,633 INFO L226 Difference]: Without dead ends: 20 [2024-11-19 22:09:09,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:09:09,639 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:09,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 48 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:09:09,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-19 22:09:09,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-11-19 22:09:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 22:09:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-19 22:09:09,671 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2024-11-19 22:09:09,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:09,672 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-19 22:09:09,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:09:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-19 22:09:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 22:09:09,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:09,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:09,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:09:09,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:09,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:09,675 INFO L85 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2024-11-19 22:09:09,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:09,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392380156] [2024-11-19 22:09:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:09,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:09,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:09:09,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:09,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392380156] [2024-11-19 22:09:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392380156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:09:09,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:09:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:09:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602136135] [2024-11-19 22:09:09,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:09:09,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:09:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:09,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:09:09,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:09:09,786 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:09:09,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:09,843 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2024-11-19 22:09:09,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:09:09,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 22:09:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:09,844 INFO L225 Difference]: With dead ends: 24 [2024-11-19 22:09:09,845 INFO L226 Difference]: Without dead ends: 20 [2024-11-19 22:09:09,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:09:09,849 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:09,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 34 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:09:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-19 22:09:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-11-19 22:09:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 22:09:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-19 22:09:09,857 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2024-11-19 22:09:09,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:09,857 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-19 22:09:09,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:09:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-19 22:09:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 22:09:09,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:09,858 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:09,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:09:09,859 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:09,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2024-11-19 22:09:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891733464] [2024-11-19 22:09:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-19 22:09:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 22:09:10,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:10,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891733464] [2024-11-19 22:09:10,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891733464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:10,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390064997] [2024-11-19 22:09:10,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:10,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:10,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:10,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:10,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 22:09:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:10,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 22:09:10,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 22:09:10,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:09:10,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390064997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:10,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:10,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-11-19 22:09:10,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064542660] [2024-11-19 22:09:10,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:10,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:09:10,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:10,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:09:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:09:10,519 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 22:09:10,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:10,610 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2024-11-19 22:09:10,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:09:10,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2024-11-19 22:09:10,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:10,611 INFO L225 Difference]: With dead ends: 35 [2024-11-19 22:09:10,611 INFO L226 Difference]: Without dead ends: 20 [2024-11-19 22:09:10,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-19 22:09:10,613 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 14 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:10,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 50 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:09:10,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-19 22:09:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-19 22:09:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 22:09:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2024-11-19 22:09:10,627 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2024-11-19 22:09:10,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:10,628 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-11-19 22:09:10,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 22:09:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-19 22:09:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 22:09:10,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:10,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:10,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 22:09:10,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:10,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:10,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2024-11-19 22:09:10,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:10,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667407032] [2024-11-19 22:09:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:10,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 22:09:11,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:11,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667407032] [2024-11-19 22:09:11,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667407032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:11,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166390691] [2024-11-19 22:09:11,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:11,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:11,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:11,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:11,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 22:09:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 22:09:11,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 22:09:11,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:11,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:09:11,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166390691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:11,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:11,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-11-19 22:09:11,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47838492] [2024-11-19 22:09:11,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:11,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:09:11,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:11,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:09:11,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:09:11,339 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 22:09:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:11,447 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2024-11-19 22:09:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 22:09:11,449 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2024-11-19 22:09:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:11,450 INFO L225 Difference]: With dead ends: 38 [2024-11-19 22:09:11,450 INFO L226 Difference]: Without dead ends: 34 [2024-11-19 22:09:11,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:09:11,453 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 20 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:11,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 59 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:09:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-19 22:09:11,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-19 22:09:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-19 22:09:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2024-11-19 22:09:11,467 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2024-11-19 22:09:11,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:11,467 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2024-11-19 22:09:11,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 22:09:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2024-11-19 22:09:11,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 22:09:11,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:11,469 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:11,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 22:09:11,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 22:09:11,673 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:11,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:11,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2024-11-19 22:09:11,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:11,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132169132] [2024-11-19 22:09:11,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:11,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 22:09:11,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:11,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132169132] [2024-11-19 22:09:11,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132169132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:11,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643043122] [2024-11-19 22:09:11,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 22:09:11,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:11,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:11,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 22:09:11,929 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 22:09:11,929 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:11,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 22:09:11,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 22:09:12,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 22:09:12,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643043122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:12,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:12,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-11-19 22:09:12,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42497670] [2024-11-19 22:09:12,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:12,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 22:09:12,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:12,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 22:09:12,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:09:12,377 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-19 22:09:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:12,545 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2024-11-19 22:09:12,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 22:09:12,546 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2024-11-19 22:09:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:12,547 INFO L225 Difference]: With dead ends: 69 [2024-11-19 22:09:12,547 INFO L226 Difference]: Without dead ends: 38 [2024-11-19 22:09:12,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-11-19 22:09:12,549 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:12,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 62 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:09:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-19 22:09:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-19 22:09:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-19 22:09:12,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2024-11-19 22:09:12,556 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2024-11-19 22:09:12,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:12,556 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-11-19 22:09:12,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-19 22:09:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-11-19 22:09:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 22:09:12,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:12,558 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:12,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 22:09:12,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:12,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:12,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1673648870, now seen corresponding path program 3 times [2024-11-19 22:09:12,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:12,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777341748] [2024-11-19 22:09:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:12,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:12,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:12,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 22:09:13,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:13,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777341748] [2024-11-19 22:09:13,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777341748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:13,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117480019] [2024-11-19 22:09:13,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 22:09:13,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:13,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:13,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:13,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 22:09:13,085 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 22:09:13,086 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:13,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 22:09:13,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 66 proven. 25 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-19 22:09:13,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 68 proven. 30 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-19 22:09:13,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117480019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:13,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:13,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 16 [2024-11-19 22:09:13,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876968169] [2024-11-19 22:09:13,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:13,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 22:09:13,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:13,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 22:09:13,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2024-11-19 22:09:13,525 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 16 states, 14 states have (on average 3.142857142857143) internal successors, (44), 16 states have internal predecessors, (44), 11 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (17), 10 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-19 22:09:13,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:13,642 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2024-11-19 22:09:13,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 22:09:13,642 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 3.142857142857143) internal successors, (44), 16 states have internal predecessors, (44), 11 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (17), 10 states have call predecessors, (17), 11 states have call successors, (17) Word has length 65 [2024-11-19 22:09:13,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:13,645 INFO L225 Difference]: With dead ends: 80 [2024-11-19 22:09:13,645 INFO L226 Difference]: Without dead ends: 76 [2024-11-19 22:09:13,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:09:13,647 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 34 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:13,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 74 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:09:13,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-19 22:09:13,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2024-11-19 22:09:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.148936170212766) internal successors, (54), 46 states have internal predecessors, (54), 13 states have call successors, (13), 6 states have call predecessors, (13), 9 states have return successors, (31), 17 states have call predecessors, (31), 13 states have call successors, (31) [2024-11-19 22:09:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2024-11-19 22:09:13,669 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 65 [2024-11-19 22:09:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:13,670 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2024-11-19 22:09:13,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 3.142857142857143) internal successors, (44), 16 states have internal predecessors, (44), 11 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (17), 10 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-19 22:09:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2024-11-19 22:09:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 22:09:13,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:13,675 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:13,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 22:09:13,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:13,883 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:13,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:13,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2094125593, now seen corresponding path program 4 times [2024-11-19 22:09:13,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:13,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35727150] [2024-11-19 22:09:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-11-19 22:09:14,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35727150] [2024-11-19 22:09:14,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35727150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206061490] [2024-11-19 22:09:14,289 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 22:09:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:14,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:14,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 22:09:14,349 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 22:09:14,349 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:14,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 22:09:14,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 229 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-11-19 22:09:14,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 42 proven. 255 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-19 22:09:15,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206061490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:15,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:15,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 13] total 20 [2024-11-19 22:09:15,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027982462] [2024-11-19 22:09:15,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:15,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 22:09:15,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:15,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 22:09:15,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-19 22:09:15,284 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 20 states, 18 states have (on average 3.0) internal successors, (54), 20 states have internal predecessors, (54), 17 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (24), 10 states have call predecessors, (24), 17 states have call successors, (24) [2024-11-19 22:09:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:15,486 INFO L93 Difference]: Finished difference Result 147 states and 228 transitions. [2024-11-19 22:09:15,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:09:15,488 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.0) internal successors, (54), 20 states have internal predecessors, (54), 17 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (24), 10 states have call predecessors, (24), 17 states have call successors, (24) Word has length 106 [2024-11-19 22:09:15,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:15,495 INFO L225 Difference]: With dead ends: 147 [2024-11-19 22:09:15,495 INFO L226 Difference]: Without dead ends: 143 [2024-11-19 22:09:15,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2024-11-19 22:09:15,497 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 80 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:15,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 93 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:09:15,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-19 22:09:15,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 134. [2024-11-19 22:09:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 86 states have internal predecessors, (102), 29 states have call successors, (29), 10 states have call predecessors, (29), 17 states have return successors, (80), 37 states have call predecessors, (80), 29 states have call successors, (80) [2024-11-19 22:09:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 211 transitions. [2024-11-19 22:09:15,525 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 211 transitions. Word has length 106 [2024-11-19 22:09:15,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:15,527 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 211 transitions. [2024-11-19 22:09:15,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.0) internal successors, (54), 20 states have internal predecessors, (54), 17 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (24), 10 states have call predecessors, (24), 17 states have call successors, (24) [2024-11-19 22:09:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2024-11-19 22:09:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-19 22:09:15,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:15,530 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:15,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 22:09:15,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:15,735 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:15,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1778838455, now seen corresponding path program 5 times [2024-11-19 22:09:15,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:15,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344198961] [2024-11-19 22:09:15,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 403 proven. 706 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2024-11-19 22:09:16,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:16,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344198961] [2024-11-19 22:09:16,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344198961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:16,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805963864] [2024-11-19 22:09:16,758 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 22:09:16,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:16,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:16,760 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:16,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 22:09:16,875 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-11-19 22:09:16,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:16,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 22:09:16,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 586 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2024-11-19 22:09:17,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 634 proven. 619 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2024-11-19 22:09:18,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805963864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:18,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:18,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 21] total 33 [2024-11-19 22:09:18,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391512031] [2024-11-19 22:09:18,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:18,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-19 22:09:18,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:18,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-19 22:09:18,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 22:09:18,799 INFO L87 Difference]: Start difference. First operand 134 states and 211 transitions. Second operand has 33 states, 32 states have (on average 2.84375) internal successors, (91), 33 states have internal predecessors, (91), 25 states have call successors, (31), 1 states have call predecessors, (31), 12 states have return successors, (42), 20 states have call predecessors, (42), 25 states have call successors, (42) [2024-11-19 22:09:19,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:19,237 INFO L93 Difference]: Finished difference Result 226 states and 425 transitions. [2024-11-19 22:09:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 22:09:19,238 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.84375) internal successors, (91), 33 states have internal predecessors, (91), 25 states have call successors, (31), 1 states have call predecessors, (31), 12 states have return successors, (42), 20 states have call predecessors, (42), 25 states have call successors, (42) Word has length 215 [2024-11-19 22:09:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:19,242 INFO L225 Difference]: With dead ends: 226 [2024-11-19 22:09:19,242 INFO L226 Difference]: Without dead ends: 98 [2024-11-19 22:09:19,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 469 SyntacticMatches, 10 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=641, Invalid=1909, Unknown=0, NotChecked=0, Total=2550 [2024-11-19 22:09:19,249 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 109 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:19,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 158 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 22:09:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-19 22:09:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2024-11-19 22:09:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 58 states have internal predecessors, (62), 15 states have call successors, (15), 12 states have call predecessors, (15), 8 states have return successors, (36), 13 states have call predecessors, (36), 15 states have call successors, (36) [2024-11-19 22:09:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2024-11-19 22:09:19,264 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 215 [2024-11-19 22:09:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:19,266 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2024-11-19 22:09:19,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.84375) internal successors, (91), 33 states have internal predecessors, (91), 25 states have call successors, (31), 1 states have call predecessors, (31), 12 states have return successors, (42), 20 states have call predecessors, (42), 25 states have call successors, (42) [2024-11-19 22:09:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2024-11-19 22:09:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-19 22:09:19,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:19,273 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:19,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 22:09:19,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:19,474 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:19,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:19,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1020156483, now seen corresponding path program 6 times [2024-11-19 22:09:19,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:19,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313760132] [2024-11-19 22:09:19,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:19,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:19,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 844 proven. 1612 refuted. 0 times theorem prover too weak. 4664 trivial. 0 not checked. [2024-11-19 22:09:21,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313760132] [2024-11-19 22:09:21,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313760132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287599348] [2024-11-19 22:09:21,027 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 22:09:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:21,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:21,030 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:21,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 22:09:21,159 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-11-19 22:09:21,159 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:21,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 22:09:21,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 356 proven. 1124 refuted. 0 times theorem prover too weak. 5640 trivial. 0 not checked. [2024-11-19 22:09:21,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 360 proven. 1160 refuted. 0 times theorem prover too weak. 5600 trivial. 0 not checked. [2024-11-19 22:09:22,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287599348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:22,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:22,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 10, 15] total 33 [2024-11-19 22:09:22,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355842600] [2024-11-19 22:09:22,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:22,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-19 22:09:22,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:22,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-19 22:09:22,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=807, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 22:09:22,869 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 33 states, 31 states have (on average 2.6129032258064515) internal successors, (81), 33 states have internal predecessors, (81), 23 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (41), 24 states have call predecessors, (41), 23 states have call successors, (41) [2024-11-19 22:09:23,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:23,291 INFO L93 Difference]: Finished difference Result 186 states and 295 transitions. [2024-11-19 22:09:23,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-19 22:09:23,291 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 2.6129032258064515) internal successors, (81), 33 states have internal predecessors, (81), 23 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (41), 24 states have call predecessors, (41), 23 states have call successors, (41) Word has length 351 [2024-11-19 22:09:23,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:23,293 INFO L225 Difference]: With dead ends: 186 [2024-11-19 22:09:23,293 INFO L226 Difference]: Without dead ends: 113 [2024-11-19 22:09:23,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 844 GetRequests, 789 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 874 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=623, Invalid=1927, Unknown=0, NotChecked=0, Total=2550 [2024-11-19 22:09:23,295 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 132 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:23,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 177 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:09:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-19 22:09:23,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2024-11-19 22:09:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 70 states have internal predecessors, (75), 19 states have call successors, (19), 15 states have call predecessors, (19), 9 states have return successors, (42), 15 states have call predecessors, (42), 19 states have call successors, (42) [2024-11-19 22:09:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 136 transitions. [2024-11-19 22:09:23,305 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 136 transitions. Word has length 351 [2024-11-19 22:09:23,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:23,306 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 136 transitions. [2024-11-19 22:09:23,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 2.6129032258064515) internal successors, (81), 33 states have internal predecessors, (81), 23 states have call successors, (28), 1 states have call predecessors, (28), 13 states have return successors, (41), 24 states have call predecessors, (41), 23 states have call successors, (41) [2024-11-19 22:09:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2024-11-19 22:09:23,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2024-11-19 22:09:23,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:23,314 INFO L215 NwaCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 26, 16, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:23,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 22:09:23,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:23,518 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:23,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:23,518 INFO L85 PathProgramCache]: Analyzing trace with hash -739932265, now seen corresponding path program 7 times [2024-11-19 22:09:23,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:23,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611811764] [2024-11-19 22:09:23,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:23,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 22:09:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 1691 proven. 3390 refuted. 0 times theorem prover too weak. 14022 trivial. 0 not checked. [2024-11-19 22:09:25,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:25,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611811764] [2024-11-19 22:09:25,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611811764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:25,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630210488] [2024-11-19 22:09:25,705 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 22:09:25,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:25,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:25,707 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:25,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 22:09:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:25,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 22:09:25,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 401 proven. 2942 refuted. 0 times theorem prover too weak. 15760 trivial. 0 not checked. [2024-11-19 22:09:26,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 19103 backedges. 401 proven. 3019 refuted. 0 times theorem prover too weak. 15683 trivial. 0 not checked. [2024-11-19 22:09:29,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630210488] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:29,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:29,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12, 19] total 38 [2024-11-19 22:09:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069404218] [2024-11-19 22:09:29,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:29,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-19 22:09:29,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:29,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-19 22:09:29,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2024-11-19 22:09:29,044 INFO L87 Difference]: Start difference. First operand 101 states and 136 transitions. Second operand has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 29 states have call successors, (32), 1 states have call predecessors, (32), 15 states have return successors, (49), 26 states have call predecessors, (49), 29 states have call successors, (49) [2024-11-19 22:09:29,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:29,583 INFO L93 Difference]: Finished difference Result 228 states and 374 transitions. [2024-11-19 22:09:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-19 22:09:29,584 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 29 states have call successors, (32), 1 states have call predecessors, (32), 15 states have return successors, (49), 26 states have call predecessors, (49), 29 states have call successors, (49) Word has length 569 [2024-11-19 22:09:29,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:29,586 INFO L225 Difference]: With dead ends: 228 [2024-11-19 22:09:29,586 INFO L226 Difference]: Without dead ends: 138 [2024-11-19 22:09:29,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1352 GetRequests, 1285 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=868, Invalid=2672, Unknown=0, NotChecked=0, Total=3540 [2024-11-19 22:09:29,589 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 166 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:29,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 209 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 22:09:29,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-19 22:09:29,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 118. [2024-11-19 22:09:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 84 states have (on average 1.0357142857142858) internal successors, (87), 82 states have internal predecessors, (87), 23 states have call successors, (23), 18 states have call predecessors, (23), 10 states have return successors, (54), 17 states have call predecessors, (54), 23 states have call successors, (54) [2024-11-19 22:09:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2024-11-19 22:09:29,605 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 569 [2024-11-19 22:09:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:29,606 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2024-11-19 22:09:29,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.5135135135135136) internal successors, (93), 38 states have internal predecessors, (93), 29 states have call successors, (32), 1 states have call predecessors, (32), 15 states have return successors, (49), 26 states have call predecessors, (49), 29 states have call successors, (49) [2024-11-19 22:09:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2024-11-19 22:09:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2024-11-19 22:09:29,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:29,628 INFO L215 NwaCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:29,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 22:09:29,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 22:09:29,832 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:29,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash -673792606, now seen corresponding path program 8 times [2024-11-19 22:09:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:29,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166291877] [2024-11-19 22:09:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:30,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:31,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:31,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 22:09:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-19 22:09:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 22:09:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-11-19 22:09:33,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:33,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166291877] [2024-11-19 22:09:33,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166291877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:33,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249966867] [2024-11-19 22:09:33,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 22:09:33,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:33,300 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:33,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 22:09:33,636 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 22:09:33,636 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:33,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 22:09:33,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-11-19 22:09:33,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-11-19 22:09:38,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249966867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:38,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:38,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-11-19 22:09:38,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146293831] [2024-11-19 22:09:38,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:38,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-19 22:09:38,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:38,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-19 22:09:38,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-11-19 22:09:38,274 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2024-11-19 22:09:39,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:39,060 INFO L93 Difference]: Finished difference Result 297 states and 572 transitions. [2024-11-19 22:09:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-19 22:09:39,061 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) Word has length 855 [2024-11-19 22:09:39,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:39,064 INFO L225 Difference]: With dead ends: 297 [2024-11-19 22:09:39,064 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 22:09:39,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2031 GetRequests, 1946 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-11-19 22:09:39,068 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 271 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:39,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 285 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:09:39,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 22:09:39,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 140. [2024-11-19 22:09:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 100 states have (on average 1.02) internal successors, (102), 98 states have internal predecessors, (102), 29 states have call successors, (29), 23 states have call predecessors, (29), 10 states have return successors, (58), 18 states have call predecessors, (58), 29 states have call successors, (58) [2024-11-19 22:09:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 189 transitions. [2024-11-19 22:09:39,081 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 189 transitions. Word has length 855 [2024-11-19 22:09:39,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:39,083 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 189 transitions. [2024-11-19 22:09:39,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2024-11-19 22:09:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 189 transitions. [2024-11-19 22:09:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2024-11-19 22:09:39,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:39,088 INFO L215 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:39,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 22:09:39,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:39,292 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:39,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:39,292 INFO L85 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 9 times [2024-11-19 22:09:39,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:39,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888598557] [2024-11-19 22:09:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:39,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:44,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:47,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:49,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:49,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 22:09:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:50,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-19 22:09:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-11-19 22:09:52,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:09:52,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888598557] [2024-11-19 22:09:52,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888598557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:09:52,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108062336] [2024-11-19 22:09:52,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 22:09:52,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:09:52,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:09:52,414 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:09:52,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 22:09:52,841 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 93 check-sat command(s) [2024-11-19 22:09:52,841 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:09:52,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-11-19 22:09:52,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:09:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-11-19 22:09:53,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:09:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-11-19 22:09:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108062336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:09:57,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:09:57,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-11-19 22:09:57,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433503527] [2024-11-19 22:09:57,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:09:57,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-19 22:09:57,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:09:57,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-19 22:09:57,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 22:09:57,292 INFO L87 Difference]: Start difference. First operand 140 states and 189 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-19 22:09:57,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:09:57,595 INFO L93 Difference]: Finished difference Result 153 states and 212 transitions. [2024-11-19 22:09:57,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 22:09:57,596 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) Word has length 746 [2024-11-19 22:09:57,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:09:57,598 INFO L225 Difference]: With dead ends: 153 [2024-11-19 22:09:57,598 INFO L226 Difference]: Without dead ends: 149 [2024-11-19 22:09:57,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1929 GetRequests, 1895 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 22:09:57,600 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:09:57,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 959 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 22:09:57,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-19 22:09:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-19 22:09:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 105 states have (on average 1.019047619047619) internal successors, (107), 103 states have internal predecessors, (107), 30 states have call successors, (30), 23 states have call predecessors, (30), 12 states have return successors, (66), 21 states have call predecessors, (66), 30 states have call successors, (66) [2024-11-19 22:09:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 203 transitions. [2024-11-19 22:09:57,613 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 203 transitions. Word has length 746 [2024-11-19 22:09:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:09:57,613 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 203 transitions. [2024-11-19 22:09:57,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2024-11-19 22:09:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 203 transitions. [2024-11-19 22:09:57,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2024-11-19 22:09:57,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:09:57,620 INFO L215 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:09:57,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 22:09:57,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 22:09:57,821 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:09:57,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:09:57,821 INFO L85 PathProgramCache]: Analyzing trace with hash -151858645, now seen corresponding path program 10 times [2024-11-19 22:09:57,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:09:57,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274480171] [2024-11-19 22:09:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:09:57,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:09:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:58,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-19 22:09:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:09:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-19 22:09:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:09:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-19 22:09:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:09:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:09:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:09:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:09:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:09:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:09:59,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:10:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:10:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:10:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-11-19 22:10:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:10:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:10:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:10:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:10:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:10:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:10:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:10:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-19 22:10:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:10:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:10:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:10:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-19 22:10:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-19 22:10:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:10:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:10:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-11-19 22:10:00,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:10:00,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274480171] [2024-11-19 22:10:00,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274480171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:10:00,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486265957] [2024-11-19 22:10:00,119 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 22:10:00,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:10:00,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:10:00,120 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:10:00,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 22:10:00,407 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 22:10:00,407 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 22:10:00,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 22:10:00,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:10:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5834 refuted. 0 times theorem prover too weak. 43875 trivial. 0 not checked. [2024-11-19 22:10:00,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:10:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5951 refuted. 0 times theorem prover too weak. 43758 trivial. 0 not checked. [2024-11-19 22:10:05,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486265957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:10:05,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:10:05,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 23] total 43 [2024-11-19 22:10:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056196641] [2024-11-19 22:10:05,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:10:05,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-19 22:10:05,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:10:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-19 22:10:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=420, Invalid=1386, Unknown=0, NotChecked=0, Total=1806 [2024-11-19 22:10:05,994 INFO L87 Difference]: Start difference. First operand 148 states and 203 transitions. Second operand has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 34 states have call successors, (37), 1 states have call predecessors, (37), 18 states have return successors, (57), 28 states have call predecessors, (57), 34 states have call successors, (57) [2024-11-19 22:10:06,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:10:06,596 INFO L93 Difference]: Finished difference Result 291 states and 410 transitions. [2024-11-19 22:10:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-19 22:10:06,597 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 34 states have call successors, (37), 1 states have call predecessors, (37), 18 states have return successors, (57), 28 states have call predecessors, (57), 34 states have call successors, (57) Word has length 923 [2024-11-19 22:10:06,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:10:06,598 INFO L225 Difference]: With dead ends: 291 [2024-11-19 22:10:06,598 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:10:06,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2158 GetRequests, 2091 SyntacticMatches, 11 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1306 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=777, Invalid=2529, Unknown=0, NotChecked=0, Total=3306 [2024-11-19 22:10:06,601 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 96 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:10:06,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 326 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:10:06,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:10:06,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:10:06,602 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) [2024-11-19 22:10:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:10:06,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 923 [2024-11-19 22:10:06,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:10:06,603 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:10:06,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 34 states have call successors, (37), 1 states have call predecessors, (37), 18 states have return successors, (57), 28 states have call predecessors, (57), 34 states have call successors, (57) [2024-11-19 22:10:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:10:06,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:10:06,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:10:06,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 22:10:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 22:10:06,810 INFO L407 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2024-11-19 22:10:06,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:10:08,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:10:08,701 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-19 22:10:08,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:10:08 BoogieIcfgContainer [2024-11-19 22:10:08,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:10:08,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:10:08,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:10:08,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:10:08,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:09:09" (3/4) ... [2024-11-19 22:10:08,712 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:10:08,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2024-11-19 22:10:08,720 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 22:10:08,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 22:10:08,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 22:10:08,721 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:10:08,800 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:10:08,800 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:10:08,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:10:08,801 INFO L158 Benchmark]: Toolchain (without parser) took 60239.40ms. Allocated memory was 176.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 109.5MB in the beginning and 713.8MB in the end (delta: -604.2MB). Peak memory consumption was 901.4MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,801 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:10:08,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.30ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 97.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.86ms. Allocated memory is still 176.2MB. Free memory was 97.4MB in the beginning and 149.4MB in the end (delta: -52.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,802 INFO L158 Benchmark]: Boogie Preprocessor took 45.05ms. Allocated memory is still 176.2MB. Free memory was 149.4MB in the beginning and 148.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,802 INFO L158 Benchmark]: RCFGBuilder took 252.57ms. Allocated memory is still 176.2MB. Free memory was 148.3MB in the beginning and 137.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,803 INFO L158 Benchmark]: TraceAbstraction took 59563.40ms. Allocated memory was 176.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 137.1MB in the beginning and 718.0MB in the end (delta: -580.8MB). Peak memory consumption was 924.2MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,804 INFO L158 Benchmark]: Witness Printer took 90.72ms. Allocated memory is still 1.7GB. Free memory was 718.0MB in the beginning and 713.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 22:10:08,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.30ms. Allocated memory is still 176.2MB. Free memory was 109.4MB in the beginning and 97.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.86ms. Allocated memory is still 176.2MB. Free memory was 97.4MB in the beginning and 149.4MB in the end (delta: -52.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.05ms. Allocated memory is still 176.2MB. Free memory was 149.4MB in the beginning and 148.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.57ms. Allocated memory is still 176.2MB. Free memory was 148.3MB in the beginning and 137.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 59563.40ms. Allocated memory was 176.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 137.1MB in the beginning and 718.0MB in the end (delta: -580.8MB). Peak memory consumption was 924.2MB. Max. memory is 16.1GB. * Witness Printer took 90.72ms. Allocated memory is still 1.7GB. Free memory was 718.0MB in the beginning and 713.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 33]: 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.6s, OverallIterations: 13, TraceHistogramMax: 135, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.1s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1036 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 980 mSDsluCounter, 2534 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2197 mSDsCounter, 962 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4150 IncrementalHoareTripleChecker+Invalid, 5112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 962 mSolverCounterUnsat, 337 mSDtfsCounter, 4150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9483 GetRequests, 9018 SyntacticMatches, 61 SemanticMatches, 404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6951 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=12, InterpolantAutomatonStates: 280, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 92 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 48.5s InterpolantComputationTime, 7849 NumberOfCodeBlocks, 7445 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 11728 ConstructedInterpolants, 0 QuantifiedInterpolants, 18466 SizeOfPredicates, 49 NumberOfNonLiveVariables, 7830 ConjunctsInSsa, 573 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 395270/471762 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 - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci. Ensures: (((\result == 1) || (1 != n)) && ((\result == 0) || (0 < n))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:10:08,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE