./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/eca-rers2012/Problem18_label41.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 c46880ee7396e67063fc71dfe693983c82e91caf4fc722eef8750e6aef0cc86c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 17:25:13,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 17:25:13,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 17:25:13,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 17:25:13,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 17:25:14,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 17:25:14,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 17:25:14,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 17:25:14,038 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 17:25:14,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 17:25:14,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 17:25:14,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 17:25:14,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 17:25:14,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 17:25:14,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 17:25:14,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 17:25:14,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 17:25:14,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 17:25:14,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 17:25:14,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 17:25:14,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 17:25:14,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 17:25:14,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 17:25:14,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 17:25:14,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 17:25:14,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 17:25:14,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 17:25:14,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 17:25:14,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 17:25:14,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 17:25:14,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 17:25:14,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 17:25:14,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 17:25:14,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 17:25:14,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 17:25:14,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 17:25:14,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 17:25:14,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 17:25:14,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 17:25:14,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 17:25:14,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 17:25:14,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 17:25:14,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46880ee7396e67063fc71dfe693983c82e91caf4fc722eef8750e6aef0cc86c [2024-11-11 17:25:14,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 17:25:14,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 17:25:14,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 17:25:14,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 17:25:14,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 17:25:14,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label41.c [2024-11-11 17:25:15,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 17:25:16,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 17:25:16,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label41.c [2024-11-11 17:25:16,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998fe028c/03d58b4c235042c5b285b872f22e3993/FLAGcfd014c7b [2024-11-11 17:25:16,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998fe028c/03d58b4c235042c5b285b872f22e3993 [2024-11-11 17:25:16,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 17:25:16,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 17:25:16,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 17:25:16,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 17:25:16,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 17:25:16,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 05:25:16" (1/1) ... [2024-11-11 17:25:16,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27487086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:16, skipping insertion in model container [2024-11-11 17:25:16,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 05:25:16" (1/1) ... [2024-11-11 17:25:16,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 17:25:16,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label41.c[6755,6768] [2024-11-11 17:25:17,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 17:25:17,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 17:25:17,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label41.c[6755,6768] [2024-11-11 17:25:17,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 17:25:17,969 INFO L204 MainTranslator]: Completed translation [2024-11-11 17:25:17,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17 WrapperNode [2024-11-11 17:25:17,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 17:25:17,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 17:25:17,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 17:25:17,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 17:25:17,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,209 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4135 [2024-11-11 17:25:18,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 17:25:18,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 17:25:18,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 17:25:18,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 17:25:18,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,428 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-11 17:25:18,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 17:25:18,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 17:25:18,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 17:25:18,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 17:25:18,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (1/1) ... [2024-11-11 17:25:18,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 17:25:18,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 17:25:18,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 17:25:18,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 17:25:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 17:25:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 17:25:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 17:25:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 17:25:18,780 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 17:25:18,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 17:25:22,167 INFO L? ?]: Removed 639 outVars from TransFormulas that were not future-live. [2024-11-11 17:25:22,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 17:25:22,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 17:25:22,205 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 17:25:22,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 05:25:22 BoogieIcfgContainer [2024-11-11 17:25:22,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 17:25:22,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 17:25:22,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 17:25:22,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 17:25:22,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 05:25:16" (1/3) ... [2024-11-11 17:25:22,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2768eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 05:25:22, skipping insertion in model container [2024-11-11 17:25:22,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 05:25:17" (2/3) ... [2024-11-11 17:25:22,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2768eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 05:25:22, skipping insertion in model container [2024-11-11 17:25:22,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 05:25:22" (3/3) ... [2024-11-11 17:25:22,219 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label41.c [2024-11-11 17:25:22,235 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 17:25:22,236 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 17:25:22,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 17:25:22,340 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;@6159f96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 17:25:22,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 17:25:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 757 states, 755 states have (on average 1.9125827814569536) internal successors, (1444), 756 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:22,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-11 17:25:22,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:22,358 INFO L218 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, 1, 1] [2024-11-11 17:25:22,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:22,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2024-11-11 17:25:22,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:22,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193540218] [2024-11-11 17:25:22,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 17:25:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193540218] [2024-11-11 17:25:22,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193540218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:22,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:22,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 17:25:22,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338531144] [2024-11-11 17:25:22,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:22,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:22,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:22,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:22,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:25:22,804 INFO L87 Difference]: Start difference. First operand has 757 states, 755 states have (on average 1.9125827814569536) internal successors, (1444), 756 states have internal predecessors, (1444), 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 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:25,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:25,807 INFO L93 Difference]: Finished difference Result 2205 states and 4266 transitions. [2024-11-11 17:25:25,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:25,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 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 65 [2024-11-11 17:25:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:25,833 INFO L225 Difference]: With dead ends: 2205 [2024-11-11 17:25:25,834 INFO L226 Difference]: Without dead ends: 1384 [2024-11-11 17:25:25,841 INFO L434 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 [2024-11-11 17:25:25,844 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 683 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2018 mSolverCounterSat, 967 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 967 IncrementalHoareTripleChecker+Valid, 2018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:25,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 291 Invalid, 2985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [967 Valid, 2018 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-11 17:25:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2024-11-11 17:25:25,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1384. [2024-11-11 17:25:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1383 states have (on average 1.7339117859725235) internal successors, (2398), 1383 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 2398 transitions. [2024-11-11 17:25:25,960 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 2398 transitions. Word has length 65 [2024-11-11 17:25:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:25,960 INFO L471 AbstractCegarLoop]: Abstraction has 1384 states and 2398 transitions. [2024-11-11 17:25:25,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 2398 transitions. [2024-11-11 17:25:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-11 17:25:25,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:25,965 INFO L218 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:25,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 17:25:25,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:25,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1195211116, now seen corresponding path program 1 times [2024-11-11 17:25:25,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:25,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902450915] [2024-11-11 17:25:25,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 17:25:26,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:26,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902450915] [2024-11-11 17:25:26,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902450915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:26,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:26,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:25:26,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857978454] [2024-11-11 17:25:26,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:26,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 17:25:26,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:26,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 17:25:26,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 17:25:26,429 INFO L87 Difference]: Start difference. First operand 1384 states and 2398 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:30,521 INFO L93 Difference]: Finished difference Result 4842 states and 8275 transitions. [2024-11-11 17:25:30,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 17:25:30,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 134 [2024-11-11 17:25:30,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:30,537 INFO L225 Difference]: With dead ends: 4842 [2024-11-11 17:25:30,537 INFO L226 Difference]: Without dead ends: 3460 [2024-11-11 17:25:30,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 17:25:30,541 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 2036 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 1420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 4688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1420 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:30,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 135 Invalid, 4688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1420 Valid, 3268 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-11 17:25:30,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3460 states. [2024-11-11 17:25:30,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3460 to 3454. [2024-11-11 17:25:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3454 states, 3453 states have (on average 1.5409788589632203) internal successors, (5321), 3453 states have internal predecessors, (5321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3454 states and 5321 transitions. [2024-11-11 17:25:30,608 INFO L78 Accepts]: Start accepts. Automaton has 3454 states and 5321 transitions. Word has length 134 [2024-11-11 17:25:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:30,608 INFO L471 AbstractCegarLoop]: Abstraction has 3454 states and 5321 transitions. [2024-11-11 17:25:30,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3454 states and 5321 transitions. [2024-11-11 17:25:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-11 17:25:30,611 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:30,612 INFO L218 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, 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] [2024-11-11 17:25:30,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 17:25:30,612 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:30,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:30,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1248920847, now seen corresponding path program 1 times [2024-11-11 17:25:30,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:30,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296885865] [2024-11-11 17:25:30,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:30,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:31,088 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 17:25:31,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:31,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296885865] [2024-11-11 17:25:31,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296885865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:31,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:31,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:25:31,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284537273] [2024-11-11 17:25:31,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:31,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 17:25:31,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:31,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 17:25:31,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 17:25:31,095 INFO L87 Difference]: Start difference. First operand 3454 states and 5321 transitions. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:35,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:35,043 INFO L93 Difference]: Finished difference Result 11048 states and 17166 transitions. [2024-11-11 17:25:35,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 17:25:35,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 3 states have internal predecessors, (183), 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 183 [2024-11-11 17:25:35,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:35,070 INFO L225 Difference]: With dead ends: 11048 [2024-11-11 17:25:35,070 INFO L226 Difference]: Without dead ends: 7596 [2024-11-11 17:25:35,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-11 17:25:35,077 INFO L435 NwaCegarLoop]: 631 mSDtfsCounter, 1875 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4380 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 5008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 4380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:35,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 649 Invalid, 5008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 4380 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-11 17:25:35,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7596 states. [2024-11-11 17:25:35,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7596 to 6904. [2024-11-11 17:25:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6904 states, 6903 states have (on average 1.3273938867159205) internal successors, (9163), 6903 states have internal predecessors, (9163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6904 states to 6904 states and 9163 transitions. [2024-11-11 17:25:35,206 INFO L78 Accepts]: Start accepts. Automaton has 6904 states and 9163 transitions. Word has length 183 [2024-11-11 17:25:35,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:35,207 INFO L471 AbstractCegarLoop]: Abstraction has 6904 states and 9163 transitions. [2024-11-11 17:25:35,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6904 states and 9163 transitions. [2024-11-11 17:25:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-11 17:25:35,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:35,216 INFO L218 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:35,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 17:25:35,216 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:35,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash 451813744, now seen corresponding path program 1 times [2024-11-11 17:25:35,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:35,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147149192] [2024-11-11 17:25:35,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 17:25:35,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:35,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147149192] [2024-11-11 17:25:35,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147149192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:35,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:35,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:25:35,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310551561] [2024-11-11 17:25:35,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:35,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 17:25:35,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:35,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 17:25:35,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-11 17:25:35,677 INFO L87 Difference]: Start difference. First operand 6904 states and 9163 transitions. Second operand has 4 states, 4 states have (on average 78.25) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:38,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:38,366 INFO L93 Difference]: Finished difference Result 16621 states and 22106 transitions. [2024-11-11 17:25:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 17:25:38,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.25) internal successors, (313), 3 states have internal predecessors, (313), 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 324 [2024-11-11 17:25:38,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:38,397 INFO L225 Difference]: With dead ends: 16621 [2024-11-11 17:25:38,397 INFO L226 Difference]: Without dead ends: 9666 [2024-11-11 17:25:38,410 INFO L434 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 [2024-11-11 17:25:38,411 INFO L435 NwaCegarLoop]: 625 mSDtfsCounter, 515 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 3727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:38,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 639 Invalid, 3727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-11 17:25:38,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2024-11-11 17:25:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 9664. [2024-11-11 17:25:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9664 states, 9663 states have (on average 1.1779985511745834) internal successors, (11383), 9663 states have internal predecessors, (11383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9664 states to 9664 states and 11383 transitions. [2024-11-11 17:25:38,582 INFO L78 Accepts]: Start accepts. Automaton has 9664 states and 11383 transitions. Word has length 324 [2024-11-11 17:25:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:38,583 INFO L471 AbstractCegarLoop]: Abstraction has 9664 states and 11383 transitions. [2024-11-11 17:25:38,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.25) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 9664 states and 11383 transitions. [2024-11-11 17:25:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2024-11-11 17:25:38,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:38,603 INFO L218 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:38,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 17:25:38,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:38,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1420543167, now seen corresponding path program 1 times [2024-11-11 17:25:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:38,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811674988] [2024-11-11 17:25:38,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-11 17:25:39,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:39,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811674988] [2024-11-11 17:25:39,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811674988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 17:25:39,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170021556] [2024-11-11 17:25:39,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:39,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 17:25:39,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 17:25:39,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 17:25:39,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 17:25:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:40,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-11 17:25:40,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 17:25:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-11 17:25:41,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 17:25:41,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170021556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:41,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 17:25:41,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2024-11-11 17:25:41,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136557931] [2024-11-11 17:25:41,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:41,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:41,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:41,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:41,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 17:25:41,194 INFO L87 Difference]: Start difference. First operand 9664 states and 11383 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 2 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:43,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:43,020 INFO L93 Difference]: Finished difference Result 22086 states and 26238 transitions. [2024-11-11 17:25:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:43,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 2 states have internal predecessors, (520), 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 879 [2024-11-11 17:25:43,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:43,051 INFO L225 Difference]: With dead ends: 22086 [2024-11-11 17:25:43,051 INFO L226 Difference]: Without dead ends: 12424 [2024-11-11 17:25:43,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-11 17:25:43,063 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 195 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:43,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 275 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 17:25:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12424 states. [2024-11-11 17:25:43,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12424 to 11734. [2024-11-11 17:25:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11734 states, 11733 states have (on average 1.1751470212221937) internal successors, (13788), 11733 states have internal predecessors, (13788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11734 states to 11734 states and 13788 transitions. [2024-11-11 17:25:43,241 INFO L78 Accepts]: Start accepts. Automaton has 11734 states and 13788 transitions. Word has length 879 [2024-11-11 17:25:43,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:43,243 INFO L471 AbstractCegarLoop]: Abstraction has 11734 states and 13788 transitions. [2024-11-11 17:25:43,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 2 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11734 states and 13788 transitions. [2024-11-11 17:25:43,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950 [2024-11-11 17:25:43,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:43,272 INFO L218 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:43,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-11 17:25:43,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 17:25:43,474 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2032146719, now seen corresponding path program 1 times [2024-11-11 17:25:43,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:43,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171715782] [2024-11-11 17:25:43,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:43,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-11 17:25:44,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:44,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171715782] [2024-11-11 17:25:44,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171715782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:44,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:44,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 17:25:44,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115706712] [2024-11-11 17:25:44,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:44,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:44,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:44,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:25:44,269 INFO L87 Difference]: Start difference. First operand 11734 states and 13788 transitions. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 2 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:46,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:46,355 INFO L93 Difference]: Finished difference Result 28296 states and 34141 transitions. [2024-11-11 17:25:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:46,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 2 states have internal predecessors, (583), 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 949 [2024-11-11 17:25:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:46,386 INFO L225 Difference]: With dead ends: 28296 [2024-11-11 17:25:46,387 INFO L226 Difference]: Without dead ends: 16564 [2024-11-11 17:25:46,395 INFO L434 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 [2024-11-11 17:25:46,397 INFO L435 NwaCegarLoop]: 384 mSDtfsCounter, 226 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:46,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 389 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-11 17:25:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16564 states. [2024-11-11 17:25:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16564 to 14494. [2024-11-11 17:25:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14494 states, 14493 states have (on average 1.155937349065066) internal successors, (16753), 14493 states have internal predecessors, (16753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14494 states to 14494 states and 16753 transitions. [2024-11-11 17:25:46,592 INFO L78 Accepts]: Start accepts. Automaton has 14494 states and 16753 transitions. Word has length 949 [2024-11-11 17:25:46,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:46,593 INFO L471 AbstractCegarLoop]: Abstraction has 14494 states and 16753 transitions. [2024-11-11 17:25:46,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 2 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 14494 states and 16753 transitions. [2024-11-11 17:25:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2024-11-11 17:25:46,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:46,603 INFO L218 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, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:46,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 17:25:46,603 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:46,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:46,604 INFO L85 PathProgramCache]: Analyzing trace with hash -788880812, now seen corresponding path program 1 times [2024-11-11 17:25:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:46,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951302985] [2024-11-11 17:25:46,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:46,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-11-11 17:25:47,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:47,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951302985] [2024-11-11 17:25:47,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951302985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:47,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:47,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 17:25:47,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027239681] [2024-11-11 17:25:47,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:47,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:47,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:47,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:47,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:25:47,313 INFO L87 Difference]: Start difference. First operand 14494 states and 16753 transitions. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 2 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:49,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:49,040 INFO L93 Difference]: Finished difference Result 32436 states and 37375 transitions. [2024-11-11 17:25:49,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:49,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 2 states have internal predecessors, (583), 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 964 [2024-11-11 17:25:49,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:49,078 INFO L225 Difference]: With dead ends: 32436 [2024-11-11 17:25:49,078 INFO L226 Difference]: Without dead ends: 17944 [2024-11-11 17:25:49,093 INFO L434 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 [2024-11-11 17:25:49,094 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 249 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:49,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 77 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 17:25:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17944 states. [2024-11-11 17:25:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17944 to 17944. [2024-11-11 17:25:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17944 states, 17943 states have (on average 1.1281836928049935) internal successors, (20243), 17943 states have internal predecessors, (20243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17944 states to 17944 states and 20243 transitions. [2024-11-11 17:25:49,337 INFO L78 Accepts]: Start accepts. Automaton has 17944 states and 20243 transitions. Word has length 964 [2024-11-11 17:25:49,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:49,339 INFO L471 AbstractCegarLoop]: Abstraction has 17944 states and 20243 transitions. [2024-11-11 17:25:49,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 2 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 17944 states and 20243 transitions. [2024-11-11 17:25:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2024-11-11 17:25:49,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:49,350 INFO L218 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:49,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 17:25:49,350 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:49,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:49,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2105112743, now seen corresponding path program 1 times [2024-11-11 17:25:49,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:49,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643387211] [2024-11-11 17:25:49,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-11 17:25:50,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:50,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643387211] [2024-11-11 17:25:50,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643387211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:50,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:50,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:25:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822722223] [2024-11-11 17:25:50,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:50,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:50,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:25:50,578 INFO L87 Difference]: Start difference. First operand 17944 states and 20243 transitions. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:52,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:52,496 INFO L93 Difference]: Finished difference Result 43476 states and 49395 transitions. [2024-11-11 17:25:52,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:52,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 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 997 [2024-11-11 17:25:52,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:52,532 INFO L225 Difference]: With dead ends: 43476 [2024-11-11 17:25:52,533 INFO L226 Difference]: Without dead ends: 25534 [2024-11-11 17:25:52,552 INFO L434 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 [2024-11-11 17:25:52,553 INFO L435 NwaCegarLoop]: 1009 mSDtfsCounter, 576 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:52,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 1015 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-11 17:25:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25534 states. [2024-11-11 17:25:52,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25534 to 25534. [2024-11-11 17:25:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25534 states, 25533 states have (on average 1.1112286061175733) internal successors, (28373), 25533 states have internal predecessors, (28373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25534 states to 25534 states and 28373 transitions. [2024-11-11 17:25:52,895 INFO L78 Accepts]: Start accepts. Automaton has 25534 states and 28373 transitions. Word has length 997 [2024-11-11 17:25:52,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:52,896 INFO L471 AbstractCegarLoop]: Abstraction has 25534 states and 28373 transitions. [2024-11-11 17:25:52,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 25534 states and 28373 transitions. [2024-11-11 17:25:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2024-11-11 17:25:52,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:52,906 INFO L218 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:52,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 17:25:52,906 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:52,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:52,907 INFO L85 PathProgramCache]: Analyzing trace with hash 418544912, now seen corresponding path program 1 times [2024-11-11 17:25:52,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:52,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065888589] [2024-11-11 17:25:52,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:52,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 360 proven. 368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 17:25:54,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:54,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065888589] [2024-11-11 17:25:54,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065888589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 17:25:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525735690] [2024-11-11 17:25:54,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 17:25:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 17:25:54,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 17:25:54,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 17:25:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:54,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-11 17:25:54,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 17:25:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-11 17:25:54,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 17:25:54,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525735690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:54,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 17:25:54,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-11 17:25:54,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281942031] [2024-11-11 17:25:54,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:54,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:54,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:54,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:54,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-11 17:25:54,879 INFO L87 Difference]: Start difference. First operand 25534 states and 28373 transitions. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:56,608 INFO L93 Difference]: Finished difference Result 51066 states and 56744 transitions. [2024-11-11 17:25:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:56,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 1004 [2024-11-11 17:25:56,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:56,638 INFO L225 Difference]: With dead ends: 51066 [2024-11-11 17:25:56,639 INFO L226 Difference]: Without dead ends: 25534 [2024-11-11 17:25:56,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-11 17:25:56,656 INFO L435 NwaCegarLoop]: 773 mSDtfsCounter, 732 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:56,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 780 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 17:25:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25534 states. [2024-11-11 17:25:56,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25534 to 25534. [2024-11-11 17:25:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25534 states, 25533 states have (on average 1.093330200133161) internal successors, (27916), 25533 states have internal predecessors, (27916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25534 states to 25534 states and 27916 transitions. [2024-11-11 17:25:56,969 INFO L78 Accepts]: Start accepts. Automaton has 25534 states and 27916 transitions. Word has length 1004 [2024-11-11 17:25:56,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:25:56,970 INFO L471 AbstractCegarLoop]: Abstraction has 25534 states and 27916 transitions. [2024-11-11 17:25:56,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 25534 states and 27916 transitions. [2024-11-11 17:25:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2024-11-11 17:25:56,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:25:56,985 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:25:57,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-11 17:25:57,186 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,SelfDestructingSolverStorable8 [2024-11-11 17:25:57,186 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:25:57,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:25:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash -283373849, now seen corresponding path program 1 times [2024-11-11 17:25:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:25:57,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708677314] [2024-11-11 17:25:57,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:25:57,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:25:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:25:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-11 17:25:58,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:25:58,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708677314] [2024-11-11 17:25:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708677314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:25:58,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:25:58,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:25:58,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377225754] [2024-11-11 17:25:58,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:25:58,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:25:58,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:25:58,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:25:58,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:25:58,067 INFO L87 Difference]: Start difference. First operand 25534 states and 27916 transitions. Second operand has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:25:59,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:25:59,813 INFO L93 Difference]: Finished difference Result 58656 states and 65007 transitions. [2024-11-11 17:25:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:25:59,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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 1117 [2024-11-11 17:25:59,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:25:59,948 INFO L225 Difference]: With dead ends: 58656 [2024-11-11 17:25:59,948 INFO L226 Difference]: Without dead ends: 33124 [2024-11-11 17:25:59,958 INFO L434 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 [2024-11-11 17:25:59,958 INFO L435 NwaCegarLoop]: 925 mSDtfsCounter, 645 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 17:25:59,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 932 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 17:25:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33124 states. [2024-11-11 17:26:00,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33124 to 33124. [2024-11-11 17:26:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33124 states, 33123 states have (on average 1.094043413941974) internal successors, (36238), 33123 states have internal predecessors, (36238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33124 states to 33124 states and 36238 transitions. [2024-11-11 17:26:00,306 INFO L78 Accepts]: Start accepts. Automaton has 33124 states and 36238 transitions. Word has length 1117 [2024-11-11 17:26:00,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:00,307 INFO L471 AbstractCegarLoop]: Abstraction has 33124 states and 36238 transitions. [2024-11-11 17:26:00,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 33124 states and 36238 transitions. [2024-11-11 17:26:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2024-11-11 17:26:00,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:26:00,322 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:00,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 17:26:00,322 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:26:00,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:26:00,324 INFO L85 PathProgramCache]: Analyzing trace with hash 205873054, now seen corresponding path program 1 times [2024-11-11 17:26:00,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:26:00,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313417802] [2024-11-11 17:26:00,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:00,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:26:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1387 backedges. 575 proven. 555 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-11-11 17:26:01,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:26:01,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313417802] [2024-11-11 17:26:01,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313417802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 17:26:01,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814701731] [2024-11-11 17:26:01,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:01,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 17:26:01,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 17:26:01,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 17:26:01,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 17:26:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:02,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-11 17:26:02,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 17:26:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1387 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-11-11 17:26:02,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 17:26:02,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814701731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:26:02,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 17:26:02,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-11 17:26:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882439514] [2024-11-11 17:26:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:26:02,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:26:02,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:26:02,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:26:02,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 17:26:02,234 INFO L87 Difference]: Start difference. First operand 33124 states and 36238 transitions. Second operand has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:26:04,068 INFO L93 Difference]: Finished difference Result 73146 states and 80366 transitions. [2024-11-11 17:26:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:26:04,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 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 1140 [2024-11-11 17:26:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:26:04,105 INFO L225 Difference]: With dead ends: 73146 [2024-11-11 17:26:04,105 INFO L226 Difference]: Without dead ends: 35884 [2024-11-11 17:26:04,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 1140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-11 17:26:04,129 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 647 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 17:26:04,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 975 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 17:26:04,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35884 states. [2024-11-11 17:26:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35884 to 35194. [2024-11-11 17:26:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35194 states, 35193 states have (on average 1.0481914016992016) internal successors, (36889), 35193 states have internal predecessors, (36889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35194 states to 35194 states and 36889 transitions. [2024-11-11 17:26:04,408 INFO L78 Accepts]: Start accepts. Automaton has 35194 states and 36889 transitions. Word has length 1140 [2024-11-11 17:26:04,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:04,409 INFO L471 AbstractCegarLoop]: Abstraction has 35194 states and 36889 transitions. [2024-11-11 17:26:04,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 35194 states and 36889 transitions. [2024-11-11 17:26:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1374 [2024-11-11 17:26:04,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:26:04,438 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:04,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-11 17:26:04,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 17:26:04,639 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:26:04,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:26:04,640 INFO L85 PathProgramCache]: Analyzing trace with hash -303373939, now seen corresponding path program 1 times [2024-11-11 17:26:04,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:26:04,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560063775] [2024-11-11 17:26:04,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:04,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:26:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 1381 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2024-11-11 17:26:05,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:26:05,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560063775] [2024-11-11 17:26:05,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560063775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:26:05,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:26:05,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:26:05,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214960508] [2024-11-11 17:26:05,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:26:05,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:26:05,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:26:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:26:05,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:26:05,634 INFO L87 Difference]: Start difference. First operand 35194 states and 36889 transitions. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:26:07,431 INFO L93 Difference]: Finished difference Result 79356 states and 83561 transitions. [2024-11-11 17:26:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:26:07,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 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 1373 [2024-11-11 17:26:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:26:07,489 INFO L225 Difference]: With dead ends: 79356 [2024-11-11 17:26:07,489 INFO L226 Difference]: Without dead ends: 44854 [2024-11-11 17:26:07,513 INFO L434 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 [2024-11-11 17:26:07,514 INFO L435 NwaCegarLoop]: 956 mSDtfsCounter, 455 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 2007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 17:26:07,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 963 Invalid, 2007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 17:26:07,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44854 states. [2024-11-11 17:26:07,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44854 to 44854. [2024-11-11 17:26:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44854 states, 44853 states have (on average 1.0459501036719951) internal successors, (46914), 44853 states have internal predecessors, (46914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44854 states to 44854 states and 46914 transitions. [2024-11-11 17:26:07,978 INFO L78 Accepts]: Start accepts. Automaton has 44854 states and 46914 transitions. Word has length 1373 [2024-11-11 17:26:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:07,979 INFO L471 AbstractCegarLoop]: Abstraction has 44854 states and 46914 transitions. [2024-11-11 17:26:07,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 44854 states and 46914 transitions. [2024-11-11 17:26:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1403 [2024-11-11 17:26:07,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:26:08,000 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:08,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 17:26:08,000 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:26:08,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:26:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash 169707259, now seen corresponding path program 1 times [2024-11-11 17:26:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:26:08,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736266180] [2024-11-11 17:26:08,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:26:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 1537 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-11-11 17:26:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:26:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736266180] [2024-11-11 17:26:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736266180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:26:09,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:26:09,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:26:09,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328609775] [2024-11-11 17:26:09,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:26:09,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 17:26:09,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:26:09,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 17:26:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-11 17:26:09,158 INFO L87 Difference]: Start difference. First operand 44854 states and 46914 transitions. Second operand has 4 states, 4 states have (on average 205.5) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:26:11,402 INFO L93 Difference]: Finished difference Result 94536 states and 99052 transitions. [2024-11-11 17:26:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 17:26:11,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 205.5) internal successors, (822), 3 states have internal predecessors, (822), 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 1402 [2024-11-11 17:26:11,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:26:11,462 INFO L225 Difference]: With dead ends: 94536 [2024-11-11 17:26:11,463 INFO L226 Difference]: Without dead ends: 50374 [2024-11-11 17:26:11,493 INFO L434 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 [2024-11-11 17:26:11,494 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 982 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-11 17:26:11,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 82 Invalid, 3019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-11 17:26:11,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50374 states. [2024-11-11 17:26:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50374 to 50374. [2024-11-11 17:26:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50374 states, 50373 states have (on average 1.045083675778691) internal successors, (52644), 50373 states have internal predecessors, (52644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50374 states to 50374 states and 52644 transitions. [2024-11-11 17:26:12,087 INFO L78 Accepts]: Start accepts. Automaton has 50374 states and 52644 transitions. Word has length 1402 [2024-11-11 17:26:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:12,087 INFO L471 AbstractCegarLoop]: Abstraction has 50374 states and 52644 transitions. [2024-11-11 17:26:12,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 205.5) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 50374 states and 52644 transitions. [2024-11-11 17:26:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2024-11-11 17:26:12,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:26:12,110 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:12,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 17:26:12,111 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:26:12,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:26:12,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2073538359, now seen corresponding path program 1 times [2024-11-11 17:26:12,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:26:12,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172334715] [2024-11-11 17:26:12,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:12,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:26:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2721 backedges. 1786 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2024-11-11 17:26:12,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:26:12,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172334715] [2024-11-11 17:26:12,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172334715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:26:12,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:26:12,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:26:12,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553286405] [2024-11-11 17:26:12,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:26:12,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:26:12,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:26:12,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:26:12,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:26:12,750 INFO L87 Difference]: Start difference. First operand 50374 states and 52644 transitions. Second operand has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:14,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:26:14,430 INFO L93 Difference]: Finished difference Result 100056 states and 104595 transitions. [2024-11-11 17:26:14,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:26:14,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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 1417 [2024-11-11 17:26:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:26:14,483 INFO L225 Difference]: With dead ends: 100056 [2024-11-11 17:26:14,483 INFO L226 Difference]: Without dead ends: 50374 [2024-11-11 17:26:14,507 INFO L434 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 [2024-11-11 17:26:14,508 INFO L435 NwaCegarLoop]: 918 mSDtfsCounter, 553 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 17:26:14,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 925 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 17:26:14,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50374 states. [2024-11-11 17:26:14,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50374 to 49684. [2024-11-11 17:26:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49684 states, 49683 states have (on average 1.039570879375239) internal successors, (51649), 49683 states have internal predecessors, (51649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49684 states to 49684 states and 51649 transitions. [2024-11-11 17:26:15,100 INFO L78 Accepts]: Start accepts. Automaton has 49684 states and 51649 transitions. Word has length 1417 [2024-11-11 17:26:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:15,102 INFO L471 AbstractCegarLoop]: Abstraction has 49684 states and 51649 transitions. [2024-11-11 17:26:15,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 49684 states and 51649 transitions. [2024-11-11 17:26:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1482 [2024-11-11 17:26:15,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:26:15,142 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:15,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 17:26:15,143 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:26:15,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:26:15,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1119556940, now seen corresponding path program 1 times [2024-11-11 17:26:15,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:26:15,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995412020] [2024-11-11 17:26:15,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:15,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:26:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 943 proven. 0 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2024-11-11 17:26:17,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:26:17,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995412020] [2024-11-11 17:26:17,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995412020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:26:17,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:26:17,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:26:17,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807561991] [2024-11-11 17:26:17,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:26:17,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:26:17,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:26:17,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:26:17,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:26:17,238 INFO L87 Difference]: Start difference. First operand 49684 states and 51649 transitions. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:18,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:26:18,987 INFO L93 Difference]: Finished difference Result 99366 states and 103312 transitions. [2024-11-11 17:26:18,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:26:18,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 1481 [2024-11-11 17:26:18,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:26:19,044 INFO L225 Difference]: With dead ends: 99366 [2024-11-11 17:26:19,044 INFO L226 Difference]: Without dead ends: 49684 [2024-11-11 17:26:19,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:26:19,075 INFO L435 NwaCegarLoop]: 752 mSDtfsCounter, 645 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 17:26:19,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 758 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 17:26:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49684 states. [2024-11-11 17:26:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49684 to 48994. [2024-11-11 17:26:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48994 states, 48993 states have (on average 1.0340456799951014) internal successors, (50661), 48993 states have internal predecessors, (50661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48994 states to 48994 states and 50661 transitions. [2024-11-11 17:26:19,468 INFO L78 Accepts]: Start accepts. Automaton has 48994 states and 50661 transitions. Word has length 1481 [2024-11-11 17:26:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:19,469 INFO L471 AbstractCegarLoop]: Abstraction has 48994 states and 50661 transitions. [2024-11-11 17:26:19,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 48994 states and 50661 transitions. [2024-11-11 17:26:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1536 [2024-11-11 17:26:19,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 17:26:19,490 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:19,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 17:26:19,491 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 17:26:19,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 17:26:19,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2047119281, now seen corresponding path program 1 times [2024-11-11 17:26:19,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 17:26:19,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378395290] [2024-11-11 17:26:19,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 17:26:19,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 17:26:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 17:26:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3389 backedges. 1810 proven. 0 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-11-11 17:26:20,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 17:26:20,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378395290] [2024-11-11 17:26:20,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378395290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 17:26:20,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 17:26:20,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 17:26:20,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880612711] [2024-11-11 17:26:20,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 17:26:20,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 17:26:20,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 17:26:20,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 17:26:20,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 17:26:20,598 INFO L87 Difference]: Start difference. First operand 48994 states and 50661 transitions. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:22,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 17:26:22,582 INFO L93 Difference]: Finished difference Result 97294 states and 100628 transitions. [2024-11-11 17:26:22,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 17:26:22,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 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 1535 [2024-11-11 17:26:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 17:26:22,584 INFO L225 Difference]: With dead ends: 97294 [2024-11-11 17:26:22,585 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 17:26:22,622 INFO L434 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 [2024-11-11 17:26:22,623 INFO L435 NwaCegarLoop]: 939 mSDtfsCounter, 625 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 2000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-11 17:26:22,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 945 Invalid, 2000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 1779 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-11 17:26:22,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 17:26:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 17:26:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 17:26:22,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1535 [2024-11-11 17:26:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 17:26:22,626 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 17:26:22,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 17:26:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 17:26:22,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 17:26:22,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 17:26:22,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 17:26:22,632 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 17:26:22,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 17:26:23,821 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 17:26:23,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 05:26:23 BoogieIcfgContainer [2024-11-11 17:26:23,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 17:26:23,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 17:26:23,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 17:26:23,842 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 17:26:23,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 05:25:22" (3/4) ... [2024-11-11 17:26:23,844 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 17:26:23,888 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-11 17:26:23,894 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-11 17:26:23,900 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-11 17:26:23,905 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 17:26:24,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 17:26:24,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 17:26:24,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 17:26:24,241 INFO L158 Benchmark]: Toolchain (without parser) took 67732.37ms. Allocated memory was 186.6MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 124.8MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 788.2MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,242 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 186.6MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 17:26:24,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.31ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 124.0MB in the beginning and 157.2MB in the end (delta: -33.2MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 238.64ms. Allocated memory is still 260.0MB. Free memory was 157.2MB in the beginning and 114.2MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,243 INFO L158 Benchmark]: Boogie Preprocessor took 400.39ms. Allocated memory is still 260.0MB. Free memory was 113.1MB in the beginning and 163.1MB in the end (delta: -49.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,246 INFO L158 Benchmark]: RCFGBuilder took 3592.91ms. Allocated memory was 260.0MB in the beginning and 427.8MB in the end (delta: 167.8MB). Free memory was 162.0MB in the beginning and 247.4MB in the end (delta: -85.4MB). Peak memory consumption was 158.8MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,246 INFO L158 Benchmark]: TraceAbstraction took 61628.25ms. Allocated memory was 427.8MB in the beginning and 5.0GB in the end (delta: 4.5GB). Free memory was 246.4MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 957.3MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,247 INFO L158 Benchmark]: Witness Printer took 400.49ms. Allocated memory is still 5.0GB. Free memory was 4.2GB in the beginning and 4.1GB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-11 17:26:24,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 186.6MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.31ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 124.0MB in the beginning and 157.2MB in the end (delta: -33.2MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 238.64ms. Allocated memory is still 260.0MB. Free memory was 157.2MB in the beginning and 114.2MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 400.39ms. Allocated memory is still 260.0MB. Free memory was 113.1MB in the beginning and 163.1MB in the end (delta: -49.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3592.91ms. Allocated memory was 260.0MB in the beginning and 427.8MB in the end (delta: 167.8MB). Free memory was 162.0MB in the beginning and 247.4MB in the end (delta: -85.4MB). Peak memory consumption was 158.8MB. Max. memory is 16.1GB. * TraceAbstraction took 61628.25ms. Allocated memory was 427.8MB in the beginning and 5.0GB in the end (delta: 4.5GB). Free memory was 246.4MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 957.3MB. Max. memory is 16.1GB. * Witness Printer took 400.49ms. Allocated memory is still 5.0GB. Free memory was 4.2GB in the beginning and 4.1GB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. 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: 214]: 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, 757 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.3s, OverallIterations: 16, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 37.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11639 SdHoareTripleChecker+Valid, 33.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11639 mSDsluCounter, 9830 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 137 mSDsCounter, 7531 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35256 IncrementalHoareTripleChecker+Invalid, 42787 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7531 mSolverCounterUnsat, 9693 mSDtfsCounter, 35256 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3078 GetRequests, 3045 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50374occurred in iteration=13, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 5530 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 17987 NumberOfCodeBlocks, 17987 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 17968 ConstructedInterpolants, 0 QuantifiedInterpolants, 48224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3463 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 21210/22215 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: 4269]: Loop Invariant Derived loop invariant: ((((((((((((((5 == a15) && (a18 == 10)) || ((a24 <= 3) && (a18 <= 9))) || ((a18 == 11) && (a24 <= 3))) || (((3 <= a24) && (a15 <= 4)) && (a18 == 12))) || ((5 == a15) && (a18 == 12))) || ((a15 <= 4) && (a24 <= 1))) || ((a15 <= 4) && (a18 <= 9))) || ((5 == a15) && (a18 <= 9))) || (((3 <= a24) && (a15 <= 4)) && (a18 == 10))) || ((5 == a15) && (a18 == 11))) || (((a18 == 10) && (a24 <= 3)) && (5 <= a15))) || (((a24 <= 3) && (a18 == 12)) && (5 <= a15))) || ((a15 <= 4) && (a18 == 11))) RESULT: Ultimate proved your program to be correct! [2024-11-11 17:26:24,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE