./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/Fibonacci03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.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 be0a584ba9648c80e7a0523ff51ba530f1926c55cecd3c62f2cee05fbbff42e3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:11:26,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:11:26,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:11:26,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:11:26,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:11:26,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:11:26,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:11:26,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:11:26,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:11:26,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:11:26,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:11:26,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:11:26,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:11:26,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:11:26,641 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:11:26,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:11:26,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:11:26,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:11:26,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:11:26,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:11:26,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:11:26,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:11:26,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:11:26,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:11:26,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:11:26,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:11:26,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:11:26,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:11:26,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:11:26,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:11:26,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:11:26,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:11:26,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:11:26,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:11:26,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:11:26,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:11:26,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:11:26,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:11:26,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:11:26,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:11:26,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:11:26,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:11:26,655 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0a584ba9648c80e7a0523ff51ba530f1926c55cecd3c62f2cee05fbbff42e3 [2024-10-14 03:11:26,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:11:26,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:11:26,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:11:26,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:11:26,948 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:11:26,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c [2024-10-14 03:11:28,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:11:28,592 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:11:28,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c [2024-10-14 03:11:28,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3920670/b66e9aa5dd314bf89d55c1cbb24be7a6/FLAG063c15162 [2024-10-14 03:11:28,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3920670/b66e9aa5dd314bf89d55c1cbb24be7a6 [2024-10-14 03:11:28,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:11:28,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:11:28,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:11:28,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:11:28,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:11:28,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:11:28" (1/1) ... [2024-10-14 03:11:28,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce111b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:28, skipping insertion in model container [2024-10-14 03:11:28,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:11:28" (1/1) ... [2024-10-14 03:11:29,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:11:29,151 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c[788,801] [2024-10-14 03:11:29,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:11:29,166 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:11:29,182 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci03.c[788,801] [2024-10-14 03:11:29,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:11:29,208 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:11:29,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29 WrapperNode [2024-10-14 03:11:29,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:11:29,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:11:29,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:11:29,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:11:29,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,245 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-10-14 03:11:29,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:11:29,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:11:29,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:11:29,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:11:29,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,275 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 03:11:29,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:11:29,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:11:29,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:11:29,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:11:29,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (1/1) ... [2024-10-14 03:11:29,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:11:29,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:11:29,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:11:29,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:11:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-10-14 03:11:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-10-14 03:11:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:11:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:11:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:11:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:11:29,475 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:11:29,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:11:29,612 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-14 03:11:29,612 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:11:29,644 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:11:29,644 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 03:11:29,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:11:29 BoogieIcfgContainer [2024-10-14 03:11:29,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:11:29,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:11:29,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:11:29,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:11:29,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:11:28" (1/3) ... [2024-10-14 03:11:29,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3372c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:11:29, skipping insertion in model container [2024-10-14 03:11:29,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:11:29" (2/3) ... [2024-10-14 03:11:29,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3372c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:11:29, skipping insertion in model container [2024-10-14 03:11:29,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:11:29" (3/3) ... [2024-10-14 03:11:29,655 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2024-10-14 03:11:29,672 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:11:29,672 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:11:29,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:11:29,746 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;@66331ea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:11:29,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:11:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 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) [2024-10-14 03:11:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 03:11:29,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:29,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:29,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:29,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:29,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1216674335, now seen corresponding path program 1 times [2024-10-14 03:11:29,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:29,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185204511] [2024-10-14 03:11:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:29,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:11:30,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:30,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185204511] [2024-10-14 03:11:30,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185204511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:11:30,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:11:30,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 03:11:30,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246643888] [2024-10-14 03:11:30,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:11:30,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:11:30,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:30,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:11:30,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:11:30,119 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 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, 5 states have (on average 1.6) 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) [2024-10-14 03:11:30,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:30,241 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2024-10-14 03:11:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:11:30,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) 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 [2024-10-14 03:11:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:30,253 INFO L225 Difference]: With dead ends: 28 [2024-10-14 03:11:30,254 INFO L226 Difference]: Without dead ends: 20 [2024-10-14 03:11:30,257 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 [2024-10-14 03:11:30,261 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:30,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 37 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:11:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-14 03:11:30,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-10-14 03:11:30,308 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) [2024-10-14 03:11:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-10-14 03:11:30,312 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2024-10-14 03:11:30,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:30,313 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-10-14 03:11:30,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) 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) [2024-10-14 03:11:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-10-14 03:11:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 03:11:30,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:30,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:30,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:11:30,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:30,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1629096597, now seen corresponding path program 1 times [2024-10-14 03:11:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:30,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966671577] [2024-10-14 03:11:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:30,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:11:30,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:30,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966671577] [2024-10-14 03:11:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966671577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:11:30,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:11:30,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 03:11:30,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505958783] [2024-10-14 03:11:30,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:11:30,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:11:30,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:30,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:11:30,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:11:30,466 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 5 states have (on average 1.8) 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) [2024-10-14 03:11:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:30,529 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2024-10-14 03:11:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:11:30,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) 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 [2024-10-14 03:11:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:30,530 INFO L225 Difference]: With dead ends: 24 [2024-10-14 03:11:30,530 INFO L226 Difference]: Without dead ends: 20 [2024-10-14 03:11:30,531 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 [2024-10-14 03:11:30,532 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:30,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 32 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:11:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-10-14 03:11:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-10-14 03:11:30,541 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) [2024-10-14 03:11:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-10-14 03:11:30,542 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2024-10-14 03:11:30,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:30,542 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-10-14 03:11:30,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) 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) [2024-10-14 03:11:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-10-14 03:11:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 03:11:30,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:30,544 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:30,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:11:30,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:30,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:30,546 INFO L85 PathProgramCache]: Analyzing trace with hash 161002844, now seen corresponding path program 1 times [2024-10-14 03:11:30,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:30,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554399802] [2024-10-14 03:11:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:30,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 03:11:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 03:11:30,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:30,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554399802] [2024-10-14 03:11:30,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554399802] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:11:30,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376222064] [2024-10-14 03:11:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:30,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:11:30,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:11:30,783 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) [2024-10-14 03:11:30,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:11:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:30,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:11:30,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:11:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 03:11:30,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:11:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 03:11:31,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376222064] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:11:31,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:11:31,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 13 [2024-10-14 03:11:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702850983] [2024-10-14 03:11:31,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:11:31,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 03:11:31,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:31,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 03:11:31,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:11:31,234 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 13 states have internal predecessors, (35), 7 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9) [2024-10-14 03:11:31,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:31,423 INFO L93 Difference]: Finished difference Result 46 states and 69 transitions. [2024-10-14 03:11:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:11:31,424 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 13 states have internal predecessors, (35), 7 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9) Word has length 23 [2024-10-14 03:11:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:31,426 INFO L225 Difference]: With dead ends: 46 [2024-10-14 03:11:31,427 INFO L226 Difference]: Without dead ends: 29 [2024-10-14 03:11:31,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:11:31,430 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 29 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:31,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 44 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:11:31,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-14 03:11:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-14 03:11:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-14 03:11:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2024-10-14 03:11:31,445 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 23 [2024-10-14 03:11:31,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:31,445 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2024-10-14 03:11:31,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 13 states have internal predecessors, (35), 7 states have call successors, (7), 1 states have call predecessors, (7), 5 states have return successors, (9), 5 states have call predecessors, (9), 7 states have call successors, (9) [2024-10-14 03:11:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-10-14 03:11:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-14 03:11:31,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:31,448 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:31,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:11:31,652 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 [2024-10-14 03:11:31,653 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:31,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:31,654 INFO L85 PathProgramCache]: Analyzing trace with hash 596043763, now seen corresponding path program 1 times [2024-10-14 03:11:31,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:31,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118408582] [2024-10-14 03:11:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:31,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:31,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:31,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:32,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:32,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 44 proven. 63 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-10-14 03:11:32,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:32,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118408582] [2024-10-14 03:11:32,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118408582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:11:32,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036368587] [2024-10-14 03:11:32,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:32,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:11:32,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:11:32,059 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) [2024-10-14 03:11:32,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 03:11:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:32,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 03:11:32,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:11:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 16 proven. 75 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-14 03:11:32,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:11:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-14 03:11:32,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036368587] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:11:32,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:11:32,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 18 [2024-10-14 03:11:32,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654758337] [2024-10-14 03:11:32,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:11:32,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 03:11:32,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:32,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 03:11:32,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:11:32,602 INFO L87 Difference]: Start difference. First operand 29 states and 41 transitions. Second operand has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 11 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) [2024-10-14 03:11:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:32,874 INFO L93 Difference]: Finished difference Result 73 states and 123 transitions. [2024-10-14 03:11:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 03:11:32,875 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 11 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) Word has length 65 [2024-10-14 03:11:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:32,878 INFO L225 Difference]: With dead ends: 73 [2024-10-14 03:11:32,878 INFO L226 Difference]: Without dead ends: 45 [2024-10-14 03:11:32,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 139 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2024-10-14 03:11:32,881 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:32,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 84 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:11:32,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-14 03:11:32,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2024-10-14 03:11:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 7 states have call successors, (7), 3 states have call predecessors, (7), 6 states have return successors, (25), 9 states have call predecessors, (25), 7 states have call successors, (25) [2024-10-14 03:11:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 65 transitions. [2024-10-14 03:11:32,894 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 65 transitions. Word has length 65 [2024-10-14 03:11:32,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:32,894 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 65 transitions. [2024-10-14 03:11:32,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 11 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) [2024-10-14 03:11:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-10-14 03:11:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-14 03:11:32,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:32,900 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 13, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:32,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 03:11:33,101 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 [2024-10-14 03:11:33,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:33,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:33,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1306027176, now seen corresponding path program 2 times [2024-10-14 03:11:33,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:33,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288179160] [2024-10-14 03:11:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:33,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:11:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:11:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:11:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 223 proven. 189 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2024-10-14 03:11:33,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:33,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288179160] [2024-10-14 03:11:33,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288179160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:11:33,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912874113] [2024-10-14 03:11:33,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 03:11:33,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:11:33,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:11:33,812 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) [2024-10-14 03:11:33,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 03:11:33,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 03:11:33,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 03:11:33,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 03:11:33,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:11:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 52 proven. 316 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-10-14 03:11:34,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:11:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 52 proven. 342 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-10-14 03:11:35,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912874113] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:11:35,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:11:35,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 13] total 23 [2024-10-14 03:11:35,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882279552] [2024-10-14 03:11:35,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:11:35,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 03:11:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:35,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 03:11:35,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:11:35,062 INFO L87 Difference]: Start difference. First operand 42 states and 65 transitions. Second operand has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 15 states have call successors, (18), 1 states have call predecessors, (18), 10 states have return successors, (26), 13 states have call predecessors, (26), 15 states have call successors, (26) [2024-10-14 03:11:35,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:35,514 INFO L93 Difference]: Finished difference Result 113 states and 222 transitions. [2024-10-14 03:11:35,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 03:11:35,514 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 15 states have call successors, (18), 1 states have call predecessors, (18), 10 states have return successors, (26), 13 states have call predecessors, (26), 15 states have call successors, (26) Word has length 131 [2024-10-14 03:11:35,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:35,517 INFO L225 Difference]: With dead ends: 113 [2024-10-14 03:11:35,517 INFO L226 Difference]: Without dead ends: 72 [2024-10-14 03:11:35,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 292 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=438, Invalid=1122, Unknown=0, NotChecked=0, Total=1560 [2024-10-14 03:11:35,520 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 85 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:35,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 109 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 03:11:35,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-14 03:11:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2024-10-14 03:11:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 42 states have internal predecessors, (51), 11 states have call successors, (11), 6 states have call predecessors, (11), 8 states have return successors, (37), 13 states have call predecessors, (37), 11 states have call successors, (37) [2024-10-14 03:11:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 99 transitions. [2024-10-14 03:11:35,532 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 99 transitions. Word has length 131 [2024-10-14 03:11:35,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:35,533 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 99 transitions. [2024-10-14 03:11:35,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 15 states have call successors, (18), 1 states have call predecessors, (18), 10 states have return successors, (26), 13 states have call predecessors, (26), 15 states have call successors, (26) [2024-10-14 03:11:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2024-10-14 03:11:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-10-14 03:11:35,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:35,542 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:35,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 03:11:35,742 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 [2024-10-14 03:11:35,743 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:35,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:35,743 INFO L85 PathProgramCache]: Analyzing trace with hash -848143564, now seen corresponding path program 3 times [2024-10-14 03:11:35,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:35,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832216563] [2024-10-14 03:11:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:35,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:36,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:11:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 03:11:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:11:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 844 proven. 1612 refuted. 0 times theorem prover too weak. 4664 trivial. 0 not checked. [2024-10-14 03:11:37,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:37,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832216563] [2024-10-14 03:11:37,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832216563] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:11:37,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462003262] [2024-10-14 03:11:37,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 03:11:37,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:11:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:11:37,437 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) [2024-10-14 03:11:37,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 03:11:37,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2024-10-14 03:11:37,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 03:11:37,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 03:11:37,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:11:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 1019 proven. 219 refuted. 0 times theorem prover too weak. 5882 trivial. 0 not checked. [2024-10-14 03:11:37,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:11:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 1025 proven. 245 refuted. 0 times theorem prover too weak. 5850 trivial. 0 not checked. [2024-10-14 03:11:39,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462003262] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:11:39,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:11:39,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 13] total 32 [2024-10-14 03:11:39,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135878098] [2024-10-14 03:11:39,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:11:39,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-14 03:11:39,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:39,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-14 03:11:39,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=760, Unknown=0, NotChecked=0, Total=992 [2024-10-14 03:11:39,196 INFO L87 Difference]: Start difference. First operand 62 states and 99 transitions. Second operand has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 17 states have call successors, (25), 1 states have call predecessors, (25), 13 states have return successors, (37), 28 states have call predecessors, (37), 17 states have call successors, (37) [2024-10-14 03:11:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:39,820 INFO L93 Difference]: Finished difference Result 186 states and 399 transitions. [2024-10-14 03:11:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-14 03:11:39,821 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 17 states have call successors, (25), 1 states have call predecessors, (25), 13 states have return successors, (37), 28 states have call predecessors, (37), 17 states have call successors, (37) Word has length 351 [2024-10-14 03:11:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:39,828 INFO L225 Difference]: With dead ends: 186 [2024-10-14 03:11:39,828 INFO L226 Difference]: Without dead ends: 125 [2024-10-14 03:11:39,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 790 SyntacticMatches, 6 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=717, Invalid=2363, Unknown=0, NotChecked=0, Total=3080 [2024-10-14 03:11:39,835 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 215 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:39,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 167 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:11:39,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-14 03:11:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 107. [2024-10-14 03:11:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 76 states have (on average 1.118421052631579) internal successors, (85), 73 states have internal predecessors, (85), 20 states have call successors, (20), 15 states have call predecessors, (20), 10 states have return successors, (51), 18 states have call predecessors, (51), 20 states have call successors, (51) [2024-10-14 03:11:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2024-10-14 03:11:39,854 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 351 [2024-10-14 03:11:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:39,855 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2024-10-14 03:11:39,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 17 states have call successors, (25), 1 states have call predecessors, (25), 13 states have return successors, (37), 28 states have call predecessors, (37), 17 states have call successors, (37) [2024-10-14 03:11:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2024-10-14 03:11:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2024-10-14 03:11:39,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:39,873 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 103, 63, 63, 63, 63, 63, 63, 63, 40, 24, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:39,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 03:11:40,077 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 [2024-10-14 03:11:40,078 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:40,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:40,078 INFO L85 PathProgramCache]: Analyzing trace with hash 875522296, now seen corresponding path program 4 times [2024-10-14 03:11:40,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:40,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799584781] [2024-10-14 03:11:40,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:40,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:41,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:11:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:42,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:11:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 03:11:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 03:11:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:11:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:43,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-10-14 03:11:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:11:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 03:11:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:11:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 03:11:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:11:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 03:11:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:11:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:11:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:11:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:11:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:11:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 45069 backedges. 5814 proven. 5946 refuted. 0 times theorem prover too weak. 33309 trivial. 0 not checked. [2024-10-14 03:11:44,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:11:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799584781] [2024-10-14 03:11:44,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799584781] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:11:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382758747] [2024-10-14 03:11:44,958 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 03:11:44,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:11:44,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:11:44,960 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) [2024-10-14 03:11:44,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 03:11:45,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 03:11:45,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 03:11:45,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-14 03:11:45,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:11:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 45069 backedges. 3745 proven. 6780 refuted. 0 times theorem prover too weak. 34544 trivial. 0 not checked. [2024-10-14 03:11:45,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:11:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 45069 backedges. 3745 proven. 6927 refuted. 0 times theorem prover too weak. 34397 trivial. 0 not checked. [2024-10-14 03:11:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382758747] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:11:52,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:11:52,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 21, 35] total 53 [2024-10-14 03:11:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605046974] [2024-10-14 03:11:52,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:11:52,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-14 03:11:52,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:11:52,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-14 03:11:52,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=2135, Unknown=0, NotChecked=0, Total=2756 [2024-10-14 03:11:52,474 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 53 states, 53 states have (on average 2.6037735849056602) internal successors, (138), 53 states have internal predecessors, (138), 48 states have call successors, (52), 1 states have call predecessors, (52), 18 states have return successors, (80), 32 states have call predecessors, (80), 48 states have call successors, (80) [2024-10-14 03:11:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:11:53,266 INFO L93 Difference]: Finished difference Result 257 states and 508 transitions. [2024-10-14 03:11:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-14 03:11:53,267 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 2.6037735849056602) internal successors, (138), 53 states have internal predecessors, (138), 48 states have call successors, (52), 1 states have call predecessors, (52), 18 states have return successors, (80), 32 states have call predecessors, (80), 48 states have call successors, (80) Word has length 869 [2024-10-14 03:11:53,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:11:53,274 INFO L225 Difference]: With dead ends: 257 [2024-10-14 03:11:53,274 INFO L226 Difference]: Without dead ends: 153 [2024-10-14 03:11:53,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2061 GetRequests, 1963 SyntacticMatches, 17 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2777 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1601, Invalid=5205, Unknown=0, NotChecked=0, Total=6806 [2024-10-14 03:11:53,281 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 334 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:11:53,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 276 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:11:53,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-10-14 03:11:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 126. [2024-10-14 03:11:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 90 states have (on average 1.0333333333333334) internal successors, (93), 87 states have internal predecessors, (93), 25 states have call successors, (25), 20 states have call predecessors, (25), 10 states have return successors, (64), 18 states have call predecessors, (64), 25 states have call successors, (64) [2024-10-14 03:11:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-10-14 03:11:53,304 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 869 [2024-10-14 03:11:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:11:53,306 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-10-14 03:11:53,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.6037735849056602) internal successors, (138), 53 states have internal predecessors, (138), 48 states have call successors, (52), 1 states have call predecessors, (52), 18 states have return successors, (80), 32 states have call predecessors, (80), 48 states have call successors, (80) [2024-10-14 03:11:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-10-14 03:11:53,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2024-10-14 03:11:53,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:11:53,323 INFO L215 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:11:53,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 03:11:53,527 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 [2024-10-14 03:11:53,528 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:11:53,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:11:53,528 INFO L85 PathProgramCache]: Analyzing trace with hash -600231419, now seen corresponding path program 5 times [2024-10-14 03:11:53,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:11:53,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390327234] [2024-10-14 03:11:53,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:11:53,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:11:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:12:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:05,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:05,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:05,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:12:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:12:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 03:12:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:12:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 03:12:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:12:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:12:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-10-14 03:12:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:12:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:12:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 03:12:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 03:12:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:07,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:12:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 03:12:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:12:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 03:12:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:12:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-10-14 03:12:08,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:12:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390327234] [2024-10-14 03:12:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390327234] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:12:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615464967] [2024-10-14 03:12:08,037 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 03:12:08,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:12:08,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:12:08,039 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) [2024-10-14 03:12:08,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 03:12:08,455 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 93 check-sat command(s) [2024-10-14 03:12:08,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 03:12:08,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 1677 conjuncts, 220 conjuncts are in the unsatisfiable core [2024-10-14 03:12:08,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:12:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 5957 proven. 4942 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-10-14 03:12:09,115 INFO L311 TraceCheckSpWp]: Computing backward predicates...