./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.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 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 21:01:26,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 21:01:26,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 21:01:26,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 21:01:26,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 21:01:26,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 21:01:26,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 21:01:26,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 21:01:26,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 21:01:26,394 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 21:01:26,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 21:01:26,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 21:01:26,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 21:01:26,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 21:01:26,398 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 21:01:26,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 21:01:26,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 21:01:26,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 21:01:26,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 21:01:26,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 21:01:26,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 21:01:26,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 21:01:26,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 21:01:26,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 21:01:26,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 21:01:26,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 21:01:26,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 21:01:26,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 21:01:26,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 21:01:26,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 21:01:26,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 21:01:26,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 21:01:26,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 21:01:26,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 21:01:26,409 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 21:01:26,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 21:01:26,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 [2024-10-23 21:01:26,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 21:01:26,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 21:01:26,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 21:01:26,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 21:01:26,638 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 21:01:26,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2024-10-23 21:01:27,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 21:01:28,238 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 21:01:28,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2024-10-23 21:01:28,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731d0d4b7/8195aff57653400a9c6131ff6d2fcc00/FLAG6a3f7080c [2024-10-23 21:01:28,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731d0d4b7/8195aff57653400a9c6131ff6d2fcc00 [2024-10-23 21:01:28,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 21:01:28,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 21:01:28,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 21:01:28,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 21:01:28,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 21:01:28,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:01:28" (1/1) ... [2024-10-23 21:01:28,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20ced7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:28, skipping insertion in model container [2024-10-23 21:01:28,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:01:28" (1/1) ... [2024-10-23 21:01:28,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 21:01:28,541 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/eca-rers2012/Problem11_label05.c[9225,9238] [2024-10-23 21:01:28,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 21:01:28,888 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 21:01:28,930 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/eca-rers2012/Problem11_label05.c[9225,9238] [2024-10-23 21:01:29,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 21:01:29,090 INFO L204 MainTranslator]: Completed translation [2024-10-23 21:01:29,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29 WrapperNode [2024-10-23 21:01:29,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 21:01:29,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 21:01:29,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 21:01:29,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 21:01:29,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,218 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2024-10-23 21:01:29,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 21:01:29,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 21:01:29,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 21:01:29,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 21:01:29,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,273 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]. [2024-10-23 21:01:29,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 21:01:29,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 21:01:29,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 21:01:29,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 21:01:29,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (1/1) ... [2024-10-23 21:01:29,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 21:01:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:29,364 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) [2024-10-23 21:01:29,366 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 [2024-10-23 21:01:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 21:01:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 21:01:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 21:01:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 21:01:29,457 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 21:01:29,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 21:01:30,553 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-10-23 21:01:30,554 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 21:01:30,594 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 21:01:30,598 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-23 21:01:30,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:01:30 BoogieIcfgContainer [2024-10-23 21:01:30,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 21:01:30,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 21:01:30,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 21:01:30,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 21:01:30,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:01:28" (1/3) ... [2024-10-23 21:01:30,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c47153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:01:30, skipping insertion in model container [2024-10-23 21:01:30,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:01:29" (2/3) ... [2024-10-23 21:01:30,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c47153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:01:30, skipping insertion in model container [2024-10-23 21:01:30,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:01:30" (3/3) ... [2024-10-23 21:01:30,609 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label05.c [2024-10-23 21:01:30,634 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 21:01:30,638 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 21:01:30,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 21:01:30,711 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;@6dea8608, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 21:01:30,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 21:01:30,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:30,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-23 21:01:30,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:30,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:30,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:30,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:30,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2030647519, now seen corresponding path program 1 times [2024-10-23 21:01:30,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:30,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608715623] [2024-10-23 21:01:30,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:30,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:30,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:30,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608715623] [2024-10-23 21:01:30,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608715623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:30,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:30,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 21:01:30,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423769103] [2024-10-23 21:01:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:30,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 21:01:30,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:30,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 21:01:30,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 21:01:30,922 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:30,971 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2024-10-23 21:01:30,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 21:01:30,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-23 21:01:30,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:30,991 INFO L225 Difference]: With dead ends: 441 [2024-10-23 21:01:30,994 INFO L226 Difference]: Without dead ends: 219 [2024-10-23 21:01:30,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 21:01:31,000 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:31,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 21:01:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-10-23 21:01:31,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-10-23 21:01:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2024-10-23 21:01:31,042 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 63 [2024-10-23 21:01:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:31,042 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2024-10-23 21:01:31,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2024-10-23 21:01:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-23 21:01:31,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:31,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:31,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 21:01:31,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:31,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1202438421, now seen corresponding path program 1 times [2024-10-23 21:01:31,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166022735] [2024-10-23 21:01:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:31,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:31,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166022735] [2024-10-23 21:01:31,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166022735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:31,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:31,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 21:01:31,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462231701] [2024-10-23 21:01:31,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:31,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:31,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:31,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:31,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:31,283 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:31,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:31,994 INFO L93 Difference]: Finished difference Result 630 states and 1026 transitions. [2024-10-23 21:01:31,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:31,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-23 21:01:31,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:31,997 INFO L225 Difference]: With dead ends: 630 [2024-10-23 21:01:31,997 INFO L226 Difference]: Without dead ends: 412 [2024-10-23 21:01:31,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:31,999 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 160 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:31,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 155 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-23 21:01:32,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-23 21:01:32,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2024-10-23 21:01:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.4549878345498783) internal successors, (598), 411 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 598 transitions. [2024-10-23 21:01:32,015 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 598 transitions. Word has length 63 [2024-10-23 21:01:32,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:32,015 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 598 transitions. [2024-10-23 21:01:32,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 598 transitions. [2024-10-23 21:01:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-23 21:01:32,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:32,020 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:32,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 21:01:32,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:32,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:32,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1841700557, now seen corresponding path program 1 times [2024-10-23 21:01:32,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:32,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162659666] [2024-10-23 21:01:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:32,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:32,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:32,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162659666] [2024-10-23 21:01:32,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162659666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:32,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:32,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 21:01:32,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733161516] [2024-10-23 21:01:32,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:32,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:32,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:32,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:32,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:32,191 INFO L87 Difference]: Start difference. First operand 412 states and 598 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:32,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:32,856 INFO L93 Difference]: Finished difference Result 1210 states and 1762 transitions. [2024-10-23 21:01:32,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:32,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2024-10-23 21:01:32,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:32,859 INFO L225 Difference]: With dead ends: 1210 [2024-10-23 21:01:32,859 INFO L226 Difference]: Without dead ends: 799 [2024-10-23 21:01:32,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:32,861 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:32,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 116 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 21:01:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-10-23 21:01:32,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 788. [2024-10-23 21:01:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 787 states have (on average 1.3761118170266835) internal successors, (1083), 787 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1083 transitions. [2024-10-23 21:01:32,885 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1083 transitions. Word has length 131 [2024-10-23 21:01:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:32,885 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1083 transitions. [2024-10-23 21:01:32,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1083 transitions. [2024-10-23 21:01:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-23 21:01:32,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:32,890 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:32,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-23 21:01:32,890 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:32,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2101898409, now seen corresponding path program 1 times [2024-10-23 21:01:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:32,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818679758] [2024-10-23 21:01:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:33,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:33,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818679758] [2024-10-23 21:01:33,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818679758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:33,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:33,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 21:01:33,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483990038] [2024-10-23 21:01:33,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:33,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:33,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:33,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:33,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:33,185 INFO L87 Difference]: Start difference. First operand 788 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:33,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:33,822 INFO L93 Difference]: Finished difference Result 1944 states and 2613 transitions. [2024-10-23 21:01:33,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:33,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2024-10-23 21:01:33,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:33,825 INFO L225 Difference]: With dead ends: 1944 [2024-10-23 21:01:33,825 INFO L226 Difference]: Without dead ends: 1157 [2024-10-23 21:01:33,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:33,827 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:33,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 188 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 21:01:33,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-10-23 21:01:33,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2024-10-23 21:01:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.2718614718614718) internal successors, (1469), 1155 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1469 transitions. [2024-10-23 21:01:33,844 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1469 transitions. Word has length 132 [2024-10-23 21:01:33,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:33,844 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1469 transitions. [2024-10-23 21:01:33,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1469 transitions. [2024-10-23 21:01:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-23 21:01:33,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:33,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:33,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-23 21:01:33,847 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:33,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:33,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1372983940, now seen corresponding path program 1 times [2024-10-23 21:01:33,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:33,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057618381] [2024-10-23 21:01:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:33,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:34,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:34,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057618381] [2024-10-23 21:01:34,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057618381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:34,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:34,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 21:01:34,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428811283] [2024-10-23 21:01:34,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:34,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:34,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:34,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:34,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:34,210 INFO L87 Difference]: Start difference. First operand 1156 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:34,783 INFO L93 Difference]: Finished difference Result 2518 states and 3351 transitions. [2024-10-23 21:01:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:34,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2024-10-23 21:01:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:34,788 INFO L225 Difference]: With dead ends: 2518 [2024-10-23 21:01:34,788 INFO L226 Difference]: Without dead ends: 1547 [2024-10-23 21:01:34,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:34,790 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 171 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:34,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 319 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-23 21:01:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2024-10-23 21:01:34,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1544. [2024-10-23 21:01:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1543 states have (on average 1.2942320155541154) internal successors, (1997), 1543 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 1997 transitions. [2024-10-23 21:01:34,807 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 1997 transitions. Word has length 190 [2024-10-23 21:01:34,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:34,808 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 1997 transitions. [2024-10-23 21:01:34,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1997 transitions. [2024-10-23 21:01:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-10-23 21:01:34,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:34,810 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:34,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-23 21:01:34,810 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:34,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:34,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1643219767, now seen corresponding path program 1 times [2024-10-23 21:01:34,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:34,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411619328] [2024-10-23 21:01:34,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:35,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:35,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411619328] [2024-10-23 21:01:35,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411619328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:35,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:35,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 21:01:35,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465471447] [2024-10-23 21:01:35,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:35,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:35,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:35,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:35,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:35,017 INFO L87 Difference]: Start difference. First operand 1544 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:35,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:35,632 INFO L93 Difference]: Finished difference Result 3655 states and 4825 transitions. [2024-10-23 21:01:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:35,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2024-10-23 21:01:35,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:35,637 INFO L225 Difference]: With dead ends: 3655 [2024-10-23 21:01:35,638 INFO L226 Difference]: Without dead ends: 2296 [2024-10-23 21:01:35,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:35,639 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:35,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 337 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 21:01:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2024-10-23 21:01:35,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 2099. [2024-10-23 21:01:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 2098 states have (on average 1.2707340324118208) internal successors, (2666), 2098 states have internal predecessors, (2666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2666 transitions. [2024-10-23 21:01:35,662 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2666 transitions. Word has length 243 [2024-10-23 21:01:35,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:35,663 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 2666 transitions. [2024-10-23 21:01:35,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2666 transitions. [2024-10-23 21:01:35,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-10-23 21:01:35,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:35,665 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:35,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-23 21:01:35,665 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:35,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1443550765, now seen corresponding path program 1 times [2024-10-23 21:01:35,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:35,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934158317] [2024-10-23 21:01:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:35,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-23 21:01:35,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:35,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934158317] [2024-10-23 21:01:35,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934158317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:35,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:35,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 21:01:35,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056684618] [2024-10-23 21:01:35,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:35,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:35,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:35,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:35,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:35,813 INFO L87 Difference]: Start difference. First operand 2099 states and 2666 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:36,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:36,373 INFO L93 Difference]: Finished difference Result 4764 states and 6074 transitions. [2024-10-23 21:01:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:36,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2024-10-23 21:01:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:36,380 INFO L225 Difference]: With dead ends: 4764 [2024-10-23 21:01:36,380 INFO L226 Difference]: Without dead ends: 2666 [2024-10-23 21:01:36,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:36,382 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 138 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:36,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 342 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-23 21:01:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2024-10-23 21:01:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2651. [2024-10-23 21:01:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2650 states have (on average 1.2573584905660378) internal successors, (3332), 2650 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3332 transitions. [2024-10-23 21:01:36,412 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3332 transitions. Word has length 244 [2024-10-23 21:01:36,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:36,413 INFO L471 AbstractCegarLoop]: Abstraction has 2651 states and 3332 transitions. [2024-10-23 21:01:36,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3332 transitions. [2024-10-23 21:01:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-10-23 21:01:36,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:36,415 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:36,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-23 21:01:36,416 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:36,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 360690852, now seen corresponding path program 1 times [2024-10-23 21:01:36,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:36,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111902434] [2024-10-23 21:01:36,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-10-23 21:01:36,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:36,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111902434] [2024-10-23 21:01:36,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111902434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:36,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:36,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 21:01:36,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582482265] [2024-10-23 21:01:36,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:36,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:36,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:36,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:36,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:36,568 INFO L87 Difference]: Start difference. First operand 2651 states and 3332 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:37,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:37,190 INFO L93 Difference]: Finished difference Result 6046 states and 7675 transitions. [2024-10-23 21:01:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:37,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 245 [2024-10-23 21:01:37,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:37,199 INFO L225 Difference]: With dead ends: 6046 [2024-10-23 21:01:37,199 INFO L226 Difference]: Without dead ends: 3396 [2024-10-23 21:01:37,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:37,203 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 133 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:37,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 376 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 21:01:37,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2024-10-23 21:01:37,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3203. [2024-10-23 21:01:37,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3202 states have (on average 1.2467207995003122) internal successors, (3992), 3202 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 3992 transitions. [2024-10-23 21:01:37,277 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 3992 transitions. Word has length 245 [2024-10-23 21:01:37,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:37,277 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 3992 transitions. [2024-10-23 21:01:37,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3992 transitions. [2024-10-23 21:01:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-23 21:01:37,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:37,280 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:37,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-23 21:01:37,280 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:37,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash 295274290, now seen corresponding path program 1 times [2024-10-23 21:01:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:37,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715486199] [2024-10-23 21:01:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:37,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:37,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:37,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715486199] [2024-10-23 21:01:37,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715486199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:37,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:37,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 21:01:37,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473037180] [2024-10-23 21:01:37,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:37,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 21:01:37,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:37,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 21:01:37,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 21:01:37,560 INFO L87 Difference]: Start difference. First operand 3203 states and 3992 transitions. Second operand has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:38,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:38,617 INFO L93 Difference]: Finished difference Result 11047 states and 13848 transitions. [2024-10-23 21:01:38,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 21:01:38,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 265 [2024-10-23 21:01:38,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:38,637 INFO L225 Difference]: With dead ends: 11047 [2024-10-23 21:01:38,637 INFO L226 Difference]: Without dead ends: 7845 [2024-10-23 21:01:38,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 21:01:38,642 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 272 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:38,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 190 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-23 21:01:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7845 states. [2024-10-23 21:01:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7845 to 7472. [2024-10-23 21:01:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7472 states, 7471 states have (on average 1.201177887832954) internal successors, (8974), 7471 states have internal predecessors, (8974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7472 states to 7472 states and 8974 transitions. [2024-10-23 21:01:38,743 INFO L78 Accepts]: Start accepts. Automaton has 7472 states and 8974 transitions. Word has length 265 [2024-10-23 21:01:38,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:38,744 INFO L471 AbstractCegarLoop]: Abstraction has 7472 states and 8974 transitions. [2024-10-23 21:01:38,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:38,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7472 states and 8974 transitions. [2024-10-23 21:01:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-23 21:01:38,748 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:38,748 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:38,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-23 21:01:38,748 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:38,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:38,749 INFO L85 PathProgramCache]: Analyzing trace with hash -508675542, now seen corresponding path program 1 times [2024-10-23 21:01:38,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:38,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935814359] [2024-10-23 21:01:38,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-23 21:01:38,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:38,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935814359] [2024-10-23 21:01:38,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935814359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:38,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:38,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 21:01:38,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901909351] [2024-10-23 21:01:38,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:38,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:38,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:38,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:38,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:38,852 INFO L87 Difference]: Start difference. First operand 7472 states and 8974 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:39,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:39,438 INFO L93 Difference]: Finished difference Result 14539 states and 17485 transitions. [2024-10-23 21:01:39,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:39,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2024-10-23 21:01:39,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:39,462 INFO L225 Difference]: With dead ends: 14539 [2024-10-23 21:01:39,465 INFO L226 Difference]: Without dead ends: 7068 [2024-10-23 21:01:39,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 21:01:39,474 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:39,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 150 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-23 21:01:39,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7068 states. [2024-10-23 21:01:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7068 to 7067. [2024-10-23 21:01:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7067 states, 7066 states have (on average 1.1447778092272856) internal successors, (8089), 7066 states have internal predecessors, (8089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7067 states to 7067 states and 8089 transitions. [2024-10-23 21:01:39,593 INFO L78 Accepts]: Start accepts. Automaton has 7067 states and 8089 transitions. Word has length 266 [2024-10-23 21:01:39,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:39,593 INFO L471 AbstractCegarLoop]: Abstraction has 7067 states and 8089 transitions. [2024-10-23 21:01:39,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:39,594 INFO L276 IsEmpty]: Start isEmpty. Operand 7067 states and 8089 transitions. [2024-10-23 21:01:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-10-23 21:01:39,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:39,598 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:39,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-23 21:01:39,598 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:39,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:39,599 INFO L85 PathProgramCache]: Analyzing trace with hash -890112327, now seen corresponding path program 1 times [2024-10-23 21:01:39,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:39,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805716402] [2024-10-23 21:01:39,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:39,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:39,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:39,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805716402] [2024-10-23 21:01:39,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805716402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:39,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:01:39,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 21:01:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675443482] [2024-10-23 21:01:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:39,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 21:01:39,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 21:01:39,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 21:01:39,852 INFO L87 Difference]: Start difference. First operand 7067 states and 8089 transitions. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:41,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:41,211 INFO L93 Difference]: Finished difference Result 18560 states and 21348 transitions. [2024-10-23 21:01:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 21:01:41,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 275 [2024-10-23 21:01:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:41,235 INFO L225 Difference]: With dead ends: 18560 [2024-10-23 21:01:41,235 INFO L226 Difference]: Without dead ends: 11494 [2024-10-23 21:01:41,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 21:01:41,255 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 293 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:41,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 103 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-23 21:01:41,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2024-10-23 21:01:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 10198. [2024-10-23 21:01:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10198 states, 10197 states have (on average 1.1447484554280671) internal successors, (11673), 10197 states have internal predecessors, (11673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10198 states to 10198 states and 11673 transitions. [2024-10-23 21:01:41,372 INFO L78 Accepts]: Start accepts. Automaton has 10198 states and 11673 transitions. Word has length 275 [2024-10-23 21:01:41,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:41,372 INFO L471 AbstractCegarLoop]: Abstraction has 10198 states and 11673 transitions. [2024-10-23 21:01:41,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 10198 states and 11673 transitions. [2024-10-23 21:01:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-23 21:01:41,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:41,377 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:41,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-23 21:01:41,378 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:41,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:41,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1977154707, now seen corresponding path program 1 times [2024-10-23 21:01:41,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:41,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355443250] [2024-10-23 21:01:41,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:41,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 185 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:42,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355443250] [2024-10-23 21:01:42,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355443250] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:01:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851466895] [2024-10-23 21:01:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:42,007 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) [2024-10-23 21:01:42,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-23 21:01:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:42,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-23 21:01:42,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:01:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:42,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-23 21:01:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:43,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851466895] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-23 21:01:43,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-23 21:01:43,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-23 21:01:43,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442095722] [2024-10-23 21:01:43,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-23 21:01:43,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-23 21:01:43,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:43,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-23 21:01:43,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-23 21:01:43,990 INFO L87 Difference]: Start difference. First operand 10198 states and 11673 transitions. Second operand has 11 states, 11 states have (on average 45.72727272727273) internal successors, (503), 10 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:46,777 INFO L93 Difference]: Finished difference Result 23199 states and 26568 transitions. [2024-10-23 21:01:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-23 21:01:46,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 45.72727272727273) internal successors, (503), 10 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 277 [2024-10-23 21:01:46,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:46,793 INFO L225 Difference]: With dead ends: 23199 [2024-10-23 21:01:46,793 INFO L226 Difference]: Without dead ends: 12990 [2024-10-23 21:01:46,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2024-10-23 21:01:46,803 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2136 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:46,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 122 Invalid, 4891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1053 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-23 21:01:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12990 states. [2024-10-23 21:01:46,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12990 to 11276. [2024-10-23 21:01:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11276 states, 11275 states have (on average 1.109711751662971) internal successors, (12512), 11275 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11276 states to 11276 states and 12512 transitions. [2024-10-23 21:01:46,903 INFO L78 Accepts]: Start accepts. Automaton has 11276 states and 12512 transitions. Word has length 277 [2024-10-23 21:01:46,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:46,903 INFO L471 AbstractCegarLoop]: Abstraction has 11276 states and 12512 transitions. [2024-10-23 21:01:46,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 45.72727272727273) internal successors, (503), 10 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:46,904 INFO L276 IsEmpty]: Start isEmpty. Operand 11276 states and 12512 transitions. [2024-10-23 21:01:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-10-23 21:01:46,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:46,908 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:46,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-23 21:01:47,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-23 21:01:47,113 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:47,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash -99442233, now seen corresponding path program 1 times [2024-10-23 21:01:47,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:47,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919715327] [2024-10-23 21:01:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 179 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:47,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:47,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919715327] [2024-10-23 21:01:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919715327] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:01:47,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062386390] [2024-10-23 21:01:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:47,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:47,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:47,554 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) [2024-10-23 21:01:47,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-23 21:01:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:47,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-23 21:01:47,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:01:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:47,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 21:01:47,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062386390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:47,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-23 21:01:47,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-23 21:01:47,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373315592] [2024-10-23 21:01:47,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:47,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 21:01:47,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:47,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 21:01:47,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-23 21:01:47,993 INFO L87 Difference]: Start difference. First operand 11276 states and 12512 transitions. Second operand has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:48,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:48,816 INFO L93 Difference]: Finished difference Result 23107 states and 25621 transitions. [2024-10-23 21:01:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 21:01:48,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 296 [2024-10-23 21:01:48,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:48,831 INFO L225 Difference]: With dead ends: 23107 [2024-10-23 21:01:48,831 INFO L226 Difference]: Without dead ends: 11832 [2024-10-23 21:01:48,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-23 21:01:48,841 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 170 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:48,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 163 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-23 21:01:48,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11832 states. [2024-10-23 21:01:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11832 to 11644. [2024-10-23 21:01:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11644 states, 11643 states have (on average 1.1072747573649404) internal successors, (12892), 11643 states have internal predecessors, (12892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11644 states to 11644 states and 12892 transitions. [2024-10-23 21:01:48,939 INFO L78 Accepts]: Start accepts. Automaton has 11644 states and 12892 transitions. Word has length 296 [2024-10-23 21:01:48,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:48,940 INFO L471 AbstractCegarLoop]: Abstraction has 11644 states and 12892 transitions. [2024-10-23 21:01:48,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 11644 states and 12892 transitions. [2024-10-23 21:01:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-10-23 21:01:48,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:48,946 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:48,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-23 21:01:49,146 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,SelfDestructingSolverStorable12 [2024-10-23 21:01:49,147 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:49,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1519403698, now seen corresponding path program 1 times [2024-10-23 21:01:49,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:49,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167967076] [2024-10-23 21:01:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 342 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:50,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:50,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167967076] [2024-10-23 21:01:50,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167967076] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:01:50,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735270130] [2024-10-23 21:01:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:50,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:50,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:50,030 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) [2024-10-23 21:01:50,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-23 21:01:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:50,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-23 21:01:50,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:01:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-23 21:01:50,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 21:01:50,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735270130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:50,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-23 21:01:50,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-23 21:01:50,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909676003] [2024-10-23 21:01:50,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:50,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:01:50,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:50,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:01:50,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-23 21:01:50,327 INFO L87 Difference]: Start difference. First operand 11644 states and 12892 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:50,814 INFO L93 Difference]: Finished difference Result 24027 states and 26573 transitions. [2024-10-23 21:01:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:01:50,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 334 [2024-10-23 21:01:50,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:50,828 INFO L225 Difference]: With dead ends: 24027 [2024-10-23 21:01:50,828 INFO L226 Difference]: Without dead ends: 12200 [2024-10-23 21:01:50,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-23 21:01:50,838 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 98 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:50,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 345 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-23 21:01:50,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12200 states. [2024-10-23 21:01:50,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12200 to 11828. [2024-10-23 21:01:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11828 states, 11827 states have (on average 1.104591189650799) internal successors, (13064), 11827 states have internal predecessors, (13064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11828 states to 11828 states and 13064 transitions. [2024-10-23 21:01:50,933 INFO L78 Accepts]: Start accepts. Automaton has 11828 states and 13064 transitions. Word has length 334 [2024-10-23 21:01:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:50,933 INFO L471 AbstractCegarLoop]: Abstraction has 11828 states and 13064 transitions. [2024-10-23 21:01:50,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 11828 states and 13064 transitions. [2024-10-23 21:01:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-10-23 21:01:50,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:50,941 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:50,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-23 21:01:51,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:51,146 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:51,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1458348326, now seen corresponding path program 1 times [2024-10-23 21:01:51,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:51,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61098675] [2024-10-23 21:01:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:51,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 174 proven. 185 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-23 21:01:51,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:51,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61098675] [2024-10-23 21:01:51,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61098675] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:01:51,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580179327] [2024-10-23 21:01:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:51,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:51,874 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) [2024-10-23 21:01:51,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-23 21:01:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:51,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-23 21:01:51,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:01:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-23 21:01:52,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 21:01:52,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580179327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:01:52,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-23 21:01:52,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-23 21:01:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879801221] [2024-10-23 21:01:52,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:01:52,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 21:01:52,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:52,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 21:01:52,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-23 21:01:52,322 INFO L87 Difference]: Start difference. First operand 11828 states and 13064 transitions. Second operand has 4 states, 4 states have (on average 66.75) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:53,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:53,053 INFO L93 Difference]: Finished difference Result 24026 states and 26510 transitions. [2024-10-23 21:01:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 21:01:53,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.75) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 350 [2024-10-23 21:01:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:53,066 INFO L225 Difference]: With dead ends: 24026 [2024-10-23 21:01:53,066 INFO L226 Difference]: Without dead ends: 12199 [2024-10-23 21:01:53,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-23 21:01:53,074 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 190 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:53,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 159 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-23 21:01:53,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12199 states. [2024-10-23 21:01:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12199 to 11276. [2024-10-23 21:01:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11276 states, 11275 states have (on average 1.1049223946784923) internal successors, (12458), 11275 states have internal predecessors, (12458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11276 states to 11276 states and 12458 transitions. [2024-10-23 21:01:53,160 INFO L78 Accepts]: Start accepts. Automaton has 11276 states and 12458 transitions. Word has length 350 [2024-10-23 21:01:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:53,160 INFO L471 AbstractCegarLoop]: Abstraction has 11276 states and 12458 transitions. [2024-10-23 21:01:53,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.75) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 11276 states and 12458 transitions. [2024-10-23 21:01:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-10-23 21:01:53,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:53,166 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:53,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-23 21:01:53,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-23 21:01:53,371 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:53,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:53,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1745773722, now seen corresponding path program 1 times [2024-10-23 21:01:53,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:53,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60762114] [2024-10-23 21:01:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:53,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:53,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:53,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60762114] [2024-10-23 21:01:53,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60762114] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:01:53,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671784598] [2024-10-23 21:01:53,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:53,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:53,684 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) [2024-10-23 21:01:53,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-23 21:01:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:53,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-23 21:01:53,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:01:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:54,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-23 21:01:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:55,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671784598] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-23 21:01:55,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-23 21:01:55,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2024-10-23 21:01:55,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260007307] [2024-10-23 21:01:55,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-23 21:01:55,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-23 21:01:55,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:01:55,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-23 21:01:55,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-10-23 21:01:55,270 INFO L87 Difference]: Start difference. First operand 11276 states and 12458 transitions. Second operand has 10 states, 10 states have (on average 78.6) internal successors, (786), 9 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:58,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:01:58,133 INFO L93 Difference]: Finished difference Result 37292 states and 41050 transitions. [2024-10-23 21:01:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-23 21:01:58,134 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 78.6) internal successors, (786), 9 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 361 [2024-10-23 21:01:58,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:01:58,155 INFO L225 Difference]: With dead ends: 37292 [2024-10-23 21:01:58,156 INFO L226 Difference]: Without dead ends: 26017 [2024-10-23 21:01:58,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-10-23 21:01:58,166 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 882 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 4822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 4266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-23 21:01:58,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 162 Invalid, 4822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 4266 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-23 21:01:58,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26017 states. [2024-10-23 21:01:58,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26017 to 23434. [2024-10-23 21:01:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23434 states, 23433 states have (on average 1.0960611103998634) internal successors, (25684), 23433 states have internal predecessors, (25684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23434 states to 23434 states and 25684 transitions. [2024-10-23 21:01:58,354 INFO L78 Accepts]: Start accepts. Automaton has 23434 states and 25684 transitions. Word has length 361 [2024-10-23 21:01:58,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:01:58,355 INFO L471 AbstractCegarLoop]: Abstraction has 23434 states and 25684 transitions. [2024-10-23 21:01:58,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 78.6) internal successors, (786), 9 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:01:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 23434 states and 25684 transitions. [2024-10-23 21:01:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-23 21:01:58,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:01:58,363 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:01:58,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-23 21:01:58,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-23 21:01:58,563 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:01:58,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:01:58,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1520819071, now seen corresponding path program 1 times [2024-10-23 21:01:58,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:01:58,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551502891] [2024-10-23 21:01:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:58,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:01:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:01:59,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:01:59,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551502891] [2024-10-23 21:01:59,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551502891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:01:59,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201734085] [2024-10-23 21:01:59,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:01:59,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:01:59,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:01:59,157 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) [2024-10-23 21:01:59,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-23 21:01:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:01:59,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-23 21:01:59,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:02:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 185 proven. 179 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-23 21:02:00,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-23 21:02:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-10-23 21:02:01,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201734085] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-23 21:02:01,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-23 21:02:01,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 3] total 8 [2024-10-23 21:02:01,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229613157] [2024-10-23 21:02:01,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:02:01,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 21:02:01,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:02:01,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 21:02:01,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-23 21:02:01,642 INFO L87 Difference]: Start difference. First operand 23434 states and 25684 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:02:02,218 INFO L93 Difference]: Finished difference Result 48348 states and 53031 transitions. [2024-10-23 21:02:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 21:02:02,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 372 [2024-10-23 21:02:02,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:02:02,259 INFO L225 Difference]: With dead ends: 48348 [2024-10-23 21:02:02,260 INFO L226 Difference]: Without dead ends: 24915 [2024-10-23 21:02:02,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 747 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-23 21:02:02,285 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 123 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-23 21:02:02,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 50 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-23 21:02:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24915 states. [2024-10-23 21:02:02,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24915 to 17542. [2024-10-23 21:02:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17542 states, 17541 states have (on average 1.086027022404652) internal successors, (19050), 17541 states have internal predecessors, (19050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17542 states to 17542 states and 19050 transitions. [2024-10-23 21:02:02,656 INFO L78 Accepts]: Start accepts. Automaton has 17542 states and 19050 transitions. Word has length 372 [2024-10-23 21:02:02,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:02:02,659 INFO L471 AbstractCegarLoop]: Abstraction has 17542 states and 19050 transitions. [2024-10-23 21:02:02,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 17542 states and 19050 transitions. [2024-10-23 21:02:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-10-23 21:02:02,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:02:02,677 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:02:02,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-23 21:02:02,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-23 21:02:02,877 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:02:02,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:02:02,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1966509206, now seen corresponding path program 1 times [2024-10-23 21:02:02,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:02:02,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706575308] [2024-10-23 21:02:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:02,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:02:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 283 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:03,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:02:03,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706575308] [2024-10-23 21:02:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706575308] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:02:03,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805023827] [2024-10-23 21:02:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:03,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:02:03,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:02:03,786 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-23 21:02:03,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-23 21:02:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:03,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-23 21:02:03,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:02:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 283 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:04,976 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-23 21:02:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 283 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:06,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805023827] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-23 21:02:06,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-23 21:02:06,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-10-23 21:02:06,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716770539] [2024-10-23 21:02:06,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-23 21:02:06,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-23 21:02:06,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:02:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-23 21:02:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-23 21:02:06,724 INFO L87 Difference]: Start difference. First operand 17542 states and 19050 transitions. Second operand has 10 states, 10 states have (on average 73.3) internal successors, (733), 9 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:08,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:02:08,663 INFO L93 Difference]: Finished difference Result 36221 states and 39281 transitions. [2024-10-23 21:02:08,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-23 21:02:08,664 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 73.3) internal successors, (733), 9 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 414 [2024-10-23 21:02:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:02:08,689 INFO L225 Difference]: With dead ends: 36221 [2024-10-23 21:02:08,689 INFO L226 Difference]: Without dead ends: 19048 [2024-10-23 21:02:08,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 839 GetRequests, 824 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-10-23 21:02:08,713 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1325 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 3172 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 3172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-23 21:02:08,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 92 Invalid, 3615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 3172 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-23 21:02:08,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19048 states. [2024-10-23 21:02:08,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19048 to 14046. [2024-10-23 21:02:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14046 states, 14045 states have (on average 1.0810252758988963) internal successors, (15183), 14045 states have internal predecessors, (15183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14046 states to 14046 states and 15183 transitions. [2024-10-23 21:02:08,994 INFO L78 Accepts]: Start accepts. Automaton has 14046 states and 15183 transitions. Word has length 414 [2024-10-23 21:02:08,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:02:08,994 INFO L471 AbstractCegarLoop]: Abstraction has 14046 states and 15183 transitions. [2024-10-23 21:02:08,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 73.3) internal successors, (733), 9 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 14046 states and 15183 transitions. [2024-10-23 21:02:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-10-23 21:02:09,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:02:09,011 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:02:09,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-23 21:02:09,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:02:09,212 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:02:09,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:02:09,213 INFO L85 PathProgramCache]: Analyzing trace with hash 204065922, now seen corresponding path program 1 times [2024-10-23 21:02:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:02:09,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698118231] [2024-10-23 21:02:09,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:09,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:02:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-10-23 21:02:09,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:02:09,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698118231] [2024-10-23 21:02:09,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698118231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 21:02:09,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 21:02:09,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 21:02:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358125730] [2024-10-23 21:02:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 21:02:09,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 21:02:09,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:02:09,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 21:02:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 21:02:09,584 INFO L87 Difference]: Start difference. First operand 14046 states and 15183 transitions. Second operand has 4 states, 4 states have (on average 76.25) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:10,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:02:10,368 INFO L93 Difference]: Finished difference Result 34179 states and 36947 transitions. [2024-10-23 21:02:10,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 21:02:10,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.25) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 415 [2024-10-23 21:02:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:02:10,385 INFO L225 Difference]: With dead ends: 34179 [2024-10-23 21:02:10,385 INFO L226 Difference]: Without dead ends: 20134 [2024-10-23 21:02:10,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-23 21:02:10,395 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 206 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-23 21:02:10,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 65 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-23 21:02:10,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20134 states. [2024-10-23 21:02:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20134 to 19022. [2024-10-23 21:02:10,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19022 states, 19021 states have (on average 1.0806477051679722) internal successors, (20555), 19021 states have internal predecessors, (20555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19022 states to 19022 states and 20555 transitions. [2024-10-23 21:02:10,635 INFO L78 Accepts]: Start accepts. Automaton has 19022 states and 20555 transitions. Word has length 415 [2024-10-23 21:02:10,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:02:10,636 INFO L471 AbstractCegarLoop]: Abstraction has 19022 states and 20555 transitions. [2024-10-23 21:02:10,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.25) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 19022 states and 20555 transitions. [2024-10-23 21:02:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-10-23 21:02:10,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:02:10,659 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:02:10,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-23 21:02:10,660 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:02:10,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:02:10,660 INFO L85 PathProgramCache]: Analyzing trace with hash -750855781, now seen corresponding path program 1 times [2024-10-23 21:02:10,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:02:10,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921328120] [2024-10-23 21:02:10,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:02:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 154 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:11,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:02:11,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921328120] [2024-10-23 21:02:11,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921328120] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:02:11,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564273856] [2024-10-23 21:02:11,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:11,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:02:11,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:02:11,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-23 21:02:11,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-23 21:02:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:12,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-23 21:02:12,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:02:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 154 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:13,265 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-23 21:02:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 275 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:15,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564273856] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-23 21:02:15,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-23 21:02:15,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-23 21:02:15,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355865800] [2024-10-23 21:02:15,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-23 21:02:15,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-23 21:02:15,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:02:15,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-23 21:02:15,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-23 21:02:15,524 INFO L87 Difference]: Start difference. First operand 19022 states and 20555 transitions. Second operand has 13 states, 13 states have (on average 104.6923076923077) internal successors, (1361), 12 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:18,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:02:18,987 INFO L93 Difference]: Finished difference Result 40983 states and 44510 transitions. [2024-10-23 21:02:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-23 21:02:18,988 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 104.6923076923077) internal successors, (1361), 12 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 475 [2024-10-23 21:02:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:02:19,008 INFO L225 Difference]: With dead ends: 40983 [2024-10-23 21:02:19,008 INFO L226 Difference]: Without dead ends: 21594 [2024-10-23 21:02:19,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2024-10-23 21:02:19,021 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1165 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 5937 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 6362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 5937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-23 21:02:19,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 156 Invalid, 6362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 5937 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-23 21:02:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21594 states. [2024-10-23 21:02:19,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21594 to 18827. [2024-10-23 21:02:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18827 states, 18826 states have (on average 1.070168915329863) internal successors, (20147), 18826 states have internal predecessors, (20147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18827 states to 18827 states and 20147 transitions. [2024-10-23 21:02:19,268 INFO L78 Accepts]: Start accepts. Automaton has 18827 states and 20147 transitions. Word has length 475 [2024-10-23 21:02:19,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:02:19,269 INFO L471 AbstractCegarLoop]: Abstraction has 18827 states and 20147 transitions. [2024-10-23 21:02:19,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 104.6923076923077) internal successors, (1361), 12 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 18827 states and 20147 transitions. [2024-10-23 21:02:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2024-10-23 21:02:19,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 21:02:19,289 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:02:19,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-23 21:02:19,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:02:19,491 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 21:02:19,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 21:02:19,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1753678581, now seen corresponding path program 1 times [2024-10-23 21:02:19,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 21:02:19,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098870007] [2024-10-23 21:02:19,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:19,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 21:02:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:20,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 186 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:20,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 21:02:20,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098870007] [2024-10-23 21:02:20,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098870007] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-23 21:02:20,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123558945] [2024-10-23 21:02:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 21:02:20,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:02:20,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 21:02:20,437 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-23 21:02:20,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-23 21:02:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 21:02:20,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-23 21:02:20,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 21:02:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 62 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 21:02:21,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-23 21:02:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 771 proven. 233 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-23 21:02:25,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123558945] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-23 21:02:25,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-23 21:02:25,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 17 [2024-10-23 21:02:25,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267924172] [2024-10-23 21:02:25,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-23 21:02:25,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-23 21:02:25,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 21:02:25,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-23 21:02:25,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-10-23 21:02:25,832 INFO L87 Difference]: Start difference. First operand 18827 states and 20147 transitions. Second operand has 17 states, 17 states have (on average 116.88235294117646) internal successors, (1987), 17 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 21:02:30,006 INFO L93 Difference]: Finished difference Result 56290 states and 60153 transitions. [2024-10-23 21:02:30,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-23 21:02:30,007 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 116.88235294117646) internal successors, (1987), 17 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 704 [2024-10-23 21:02:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 21:02:30,013 INFO L225 Difference]: With dead ends: 56290 [2024-10-23 21:02:30,013 INFO L226 Difference]: Without dead ends: 0 [2024-10-23 21:02:30,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 1405 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2024-10-23 21:02:30,036 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 2285 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 6670 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2285 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 7604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 6670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-23 21:02:30,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2285 Valid, 211 Invalid, 7604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [934 Valid, 6670 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-23 21:02:30,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-23 21:02:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-23 21:02:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-23 21:02:30,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 704 [2024-10-23 21:02:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 21:02:30,037 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-23 21:02:30,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 116.88235294117646) internal successors, (1987), 17 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 21:02:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-23 21:02:30,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-23 21:02:30,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 21:02:30,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-23 21:02:30,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-23 21:02:30,251 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 21:02:30,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-23 21:02:43,694 WARN L286 SmtUtils]: Spent 13.43s on a formula simplification. DAG size of input: 662 DAG size of output: 736 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-23 21:02:47,738 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 21:02:47,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:02:47 BoogieIcfgContainer [2024-10-23 21:02:47,778 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 21:02:47,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 21:02:47,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 21:02:47,779 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 21:02:47,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:01:30" (3/4) ... [2024-10-23 21:02:47,781 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-23 21:02:47,794 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-23 21:02:47,795 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-23 21:02:47,796 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-23 21:02:47,797 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-23 21:02:47,944 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-23 21:02:47,944 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-23 21:02:47,944 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 21:02:47,945 INFO L158 Benchmark]: Toolchain (without parser) took 79663.09ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 111.5MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2024-10-23 21:02:47,945 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 21:02:47,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.02ms. Allocated memory is still 184.5MB. Free memory was 111.3MB in the beginning and 124.5MB in the end (delta: -13.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-10-23 21:02:47,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.19ms. Allocated memory is still 184.5MB. Free memory was 124.5MB in the beginning and 107.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-23 21:02:47,945 INFO L158 Benchmark]: Boogie Preprocessor took 116.81ms. Allocated memory is still 184.5MB. Free memory was 107.5MB in the beginning and 81.4MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-23 21:02:47,946 INFO L158 Benchmark]: RCFGBuilder took 1261.75ms. Allocated memory was 184.5MB in the beginning and 343.9MB in the end (delta: 159.4MB). Free memory was 81.4MB in the beginning and 225.0MB in the end (delta: -143.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-10-23 21:02:47,946 INFO L158 Benchmark]: TraceAbstraction took 77178.54ms. Allocated memory was 343.9MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 225.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-10-23 21:02:47,946 INFO L158 Benchmark]: Witness Printer took 165.33ms. Allocated memory is still 2.0GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-23 21:02:47,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.02ms. Allocated memory is still 184.5MB. Free memory was 111.3MB in the beginning and 124.5MB in the end (delta: -13.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.19ms. Allocated memory is still 184.5MB. Free memory was 124.5MB in the beginning and 107.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.81ms. Allocated memory is still 184.5MB. Free memory was 107.5MB in the beginning and 81.4MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1261.75ms. Allocated memory was 184.5MB in the beginning and 343.9MB in the end (delta: 159.4MB). Free memory was 81.4MB in the beginning and 225.0MB in the end (delta: -143.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 77178.54ms. Allocated memory was 343.9MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 225.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 165.33ms. Allocated memory is still 2.0GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 208]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.6s, OverallIterations: 21, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 26.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10261 SdHoareTripleChecker+Valid, 24.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10261 mSDsluCounter, 4156 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 989 mSDsCounter, 4861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34315 IncrementalHoareTripleChecker+Invalid, 39176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4861 mSolverCounterUnsat, 3167 mSDtfsCounter, 34315 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6285 GetRequests, 6172 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23434occurred in iteration=16, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 24124 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 9698 NumberOfCodeBlocks, 9698 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 12265 ConstructedInterpolants, 0 QuantifiedInterpolants, 86406 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4737 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 36 InterpolantComputations, 16 PerfectInterpolantSequences, 8131/13180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((long long) a23 + 43) <= 0) && (a25 == 12)) && (0 <= ((long long) a23 + 599772))) && (a4 == 0)) && (a3 == 1)) && (a8 == 15)) || (((((((long long) a29 + 275802) <= 0) && (a25 == 9)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((((((long long) a23 + 43) <= 0) && (a29 <= 140)) && (a25 == 11)) && (0 <= ((long long) 386869 + a23))) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((((0 <= ((long long) 909625 + a23)) && (a4 == 0)) && (((long long) a29 + 275824) <= 0)) && (a25 == 9)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || ((((((((0 <= ((long long) a23 + 599772)) && (a4 == 0)) && (a25 == 11)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15)) && (246 <= a29)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 483491)))) || ((((((((((a29 <= 140) && (0 <= ((long long) 909625 + a23))) && ((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0))) && (a4 == 0)) && (a25 <= 10)) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a8 == 15)) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1))))) && ((0 < ((long long) a23 + 43)) || (a25 != 9)))) || (((((((((181945 <= a23) && ((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0))) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 138028)) && (a4 == 1)) && (a8 == 15)) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1))))) && ((a25 == 13) || (a25 == 12)))) || (((((((a3 == 1) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 138028))) && (a4 == 1)) && (a23 <= 312)) && (a8 == 15)) && (0 <= ((long long) a23 + 42))) && ((a25 == 13) || (a25 == 12)))) || ((((((((long long) a23 + 43) <= 0) && (a3 == 1)) && (a4 == 1)) && (214883 <= a29)) && (a8 == 15)) && (a25 == 10))) || (((((((((long long) a23 + 43) <= 0) && (0 <= ((long long) a23 + 599772))) && (a29 <= 140)) && (a25 <= 10)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((((((((a29 <= 275) && ((((a23 >= 0) ? (a23 % 5) : ((a23 % 5) + 5)) != 0) || (0 < (((a23 >= 0) ? (a23 / 5) : ((a23 / 5) - 1)) + 301942)))) && (a3 == 1)) && (((long long) a23 + 599772) <= 0)) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15)) && (246 <= a29)) && (0 <= (((a23 >= 0) ? (a23 / 5) : ((a23 / 5) - 1)) + 301942)))) || (((((((a4 == 0) && (a3 == 1)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 138028))) && (a23 <= 312)) && (a8 == 15)) && (0 <= ((long long) a23 + 42))) && ((a25 == 13) || (a25 == 12)))) || ((((((((a29 <= 275) && (a25 == 12)) && (140 < a29)) && (0 <= ((long long) 909625 + a23))) && (a4 == 0)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || (((((((a3 == 1) && (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 138028)) && (a23 <= 181945)) && (a4 == 1)) && (312 <= a23)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || (((((((a29 <= 140) && (0 <= ((long long) 909625 + a23))) && (a4 == 0)) && (a25 == 11)) && (a3 == 1)) && (a23 <= 312)) && (a8 == 15))) || ((((((a25 == 13) && (a29 <= 275)) && (a3 == 1)) && (a4 == 1)) && (a23 <= 312)) && (a8 == 15))) || ((((((((((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0)) && (a25 == 11)) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a29 <= 220)) && (a4 == 1)) && (312 <= a23)) && (a8 == 15)) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))))) || (((((((a25 == 11) && (a3 == 1)) && (a4 == 1)) && (a23 <= 312)) && (a8 == 15)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 483491))) && (0 <= ((long long) a23 + 42)))) || ((((((((((0 <= ((long long) 909625 + a23)) && ((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0))) && (a25 == 11)) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a4 == 1)) && (214883 <= a29)) && (a8 == 15)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 483491))) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))))) || ((((((((((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0)) && (a25 <= 10)) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a4 == 1)) && (a8 == 15)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 483491))) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1))))) && (0 <= ((long long) a23 + 42)))) || (((((((a23 >= 0) ? (a23 % 5) : ((a23 % 5) + 5)) != 0) || (0 < (((a23 >= 0) ? (a23 / 5) : ((a23 / 5) - 1)) + 301942))) && (a23 <= 312)) && (0 <= (((a23 >= 0) ? (a23 / 5) : ((a23 / 5) - 1)) + 301942))) && (((((((a29 <= 275) && (a25 == 12)) && (a4 == 0)) && (a3 == 1)) && (a8 == 15)) && (246 <= a29)) || ((((((((long long) a23 + 43) <= 0) && (a4 == 0)) && (a25 == 9)) && (10250 <= a29)) && (a3 == 1)) && (a8 == 15))))) || (((((((((a29 <= 275) && (a25 == 12)) && ((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0))) && (a4 == 0)) && (0 <= ((long long) 386869 + a23))) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a8 == 15)) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))))) || (((((((((long long) a23 + 43) <= 0) && (0 <= ((long long) a23 + 599772))) && (a3 == 1)) && (a29 <= 220)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || (((((((((((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0)) && (a25 == 11)) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a4 == 1)) && (a8 == 15)) && (246 <= a29)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 483491))) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1))))) && (0 <= ((long long) a23 + 42)))) || ((((((((long long) 599992 + a23) <= 0) && (a3 == 1)) && (a29 <= 220)) && (a4 == 1)) && (a8 == 15)) && ((a25 == 13) || (a25 == 12)))) || ((((((((a29 <= 275) && (0 <= ((long long) a23 + 599772))) && (a25 == 11)) && (a3 == 1)) && (a4 == 1)) && (a23 <= 312)) && (a8 == 15)) && (246 <= a29))) || ((((((((((0 <= ((long long) 909625 + a23)) && ((0 < (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))) || ((((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) % 5) + 5)) != 0))) && (a3 == 1)) && (((0 < (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 25) : ((((long long) -1 * a23) / 25) - 1)) + 1130118)) || (((((long long) a23 * 4) >= 0) ? (((long long) a23 * 4) % 5) : ((((long long) a23 * 4) % 5) + 5)) != 0)) || (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) >= 0) ? (((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) : ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) % 5) + 5)) != 0))) && (a4 == 1)) && (a25 <= 9)) && (a8 == 15)) && (246 <= a29)) && ((a23 < 307) || (((a29 >= 0) ? (a29 / 5) : ((a29 / 5) - 1)) < 483491))) && (0 <= (1130118 + (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) >= 0) ? ((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) : (((((((long long) -1 * a23) >= 0) ? (((long long) -1 * a23) / 5) : ((((long long) -1 * a23) / 5) - 1)) + 1) / 5) - 1)))))) RESULT: Ultimate proved your program to be correct! [2024-10-23 21:02:47,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE