./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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/Problem16_label10.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 ea5326ea6a4625baef91f26404c87dc5d5aed789a046625372b5a13e975410bc --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 11:33:12,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 11:33:12,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 11:33:12,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 11:33:12,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 11:33:13,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 11:33:13,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 11:33:13,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 11:33:13,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 11:33:13,024 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 11:33:13,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 11:33:13,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 11:33:13,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 11:33:13,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 11:33:13,025 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 11:33:13,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 11:33:13,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 11:33:13,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 11:33:13,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 11:33:13,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 11:33:13,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 11:33:13,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 11:33:13,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 11:33:13,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 11:33:13,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 11:33:13,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 11:33:13,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 11:33:13,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 11:33:13,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 11:33:13,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 11:33:13,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 11:33:13,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 11:33:13,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 11:33:13,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 11:33:13,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 11:33:13,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 11:33:13,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 11:33:13,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 11:33:13,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 11:33:13,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 11:33:13,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 11:33:13,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 11:33:13,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5326ea6a4625baef91f26404c87dc5d5aed789a046625372b5a13e975410bc [2024-11-08 11:33:13,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 11:33:13,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 11:33:13,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 11:33:13,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 11:33:13,306 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 11:33:13,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label10.c [2024-11-08 11:33:14,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 11:33:15,081 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 11:33:15,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label10.c [2024-11-08 11:33:15,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fe45a41/011ea491b653465e9a29e961d386bf54/FLAGe9e33bdf8 [2024-11-08 11:33:15,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fe45a41/011ea491b653465e9a29e961d386bf54 [2024-11-08 11:33:15,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 11:33:15,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 11:33:15,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 11:33:15,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 11:33:15,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 11:33:15,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:33:15" (1/1) ... [2024-11-08 11:33:15,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3407a6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:15, skipping insertion in model container [2024-11-08 11:33:15,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:33:15" (1/1) ... [2024-11-08 11:33:15,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 11:33:15,467 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/Problem16_label10.c[3517,3530] [2024-11-08 11:33:15,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 11:33:15,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 11:33:15,840 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/Problem16_label10.c[3517,3530] [2024-11-08 11:33:16,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 11:33:16,030 INFO L204 MainTranslator]: Completed translation [2024-11-08 11:33:16,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16 WrapperNode [2024-11-08 11:33:16,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 11:33:16,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 11:33:16,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 11:33:16,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 11:33:16,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,272 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1770 [2024-11-08 11:33:16,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 11:33:16,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 11:33:16,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 11:33:16,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 11:33:16,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,351 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]. [2024-11-08 11:33:16,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 11:33:16,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 11:33:16,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 11:33:16,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 11:33:16,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (1/1) ... [2024-11-08 11:33:16,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 11:33:16,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 11:33:16,510 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) [2024-11-08 11:33:16,517 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 [2024-11-08 11:33:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 11:33:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 11:33:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 11:33:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 11:33:16,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 11:33:16,625 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 11:33:18,696 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-08 11:33:18,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 11:33:18,730 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 11:33:18,730 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 11:33:18,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:18 BoogieIcfgContainer [2024-11-08 11:33:18,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 11:33:18,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 11:33:18,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 11:33:18,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 11:33:18,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:33:15" (1/3) ... [2024-11-08 11:33:18,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c9c797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:33:18, skipping insertion in model container [2024-11-08 11:33:18,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:33:16" (2/3) ... [2024-11-08 11:33:18,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c9c797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:33:18, skipping insertion in model container [2024-11-08 11:33:18,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:18" (3/3) ... [2024-11-08 11:33:18,744 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label10.c [2024-11-08 11:33:18,762 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 11:33:18,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 11:33:18,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 11:33:18,842 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;@69757198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 11:33:18,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 11:33:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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) [2024-11-08 11:33:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 11:33:18,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:18,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:18,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:18,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2024-11-08 11:33:18,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:18,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854178951] [2024-11-08 11:33:18,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:18,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 11:33:19,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:19,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854178951] [2024-11-08 11:33:19,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854178951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:19,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:19,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 11:33:19,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491222229] [2024-11-08 11:33:19,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:19,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:19,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:19,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:19,188 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2024-11-08 11:33:21,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:21,002 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2024-11-08 11:33:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:21,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 32 [2024-11-08 11:33:21,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:21,022 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 11:33:21,022 INFO L226 Difference]: Without dead ends: 662 [2024-11-08 11:33:21,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:21,030 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 352 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:21,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 114 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 11:33:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-08 11:33:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2024-11-08 11:33:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 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) [2024-11-08 11:33:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2024-11-08 11:33:21,107 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 32 [2024-11-08 11:33:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:21,108 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2024-11-08 11:33:21,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2024-11-08 11:33:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2024-11-08 11:33:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 11:33:21,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:21,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:21,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 11:33:21,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:21,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash 347856145, now seen corresponding path program 1 times [2024-11-08 11:33:21,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:21,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519684528] [2024-11-08 11:33:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 11:33:21,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:21,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519684528] [2024-11-08 11:33:21,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519684528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:21,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:21,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 11:33:21,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786894978] [2024-11-08 11:33:21,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:21,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:21,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:21,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:21,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:21,339 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2024-11-08 11:33:22,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:22,621 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2024-11-08 11:33:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:22,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 98 [2024-11-08 11:33:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:22,627 INFO L225 Difference]: With dead ends: 1980 [2024-11-08 11:33:22,627 INFO L226 Difference]: Without dead ends: 1320 [2024-11-08 11:33:22,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:22,629 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:22,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 11:33:22,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2024-11-08 11:33:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2024-11-08 11:33:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 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) [2024-11-08 11:33:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2024-11-08 11:33:22,668 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 98 [2024-11-08 11:33:22,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:22,669 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2024-11-08 11:33:22,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2024-11-08 11:33:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2024-11-08 11:33:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 11:33:22,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:22,671 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:22,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 11:33:22,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:22,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:22,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1272081587, now seen corresponding path program 1 times [2024-11-08 11:33:22,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:22,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708676810] [2024-11-08 11:33:22,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:22,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 11:33:22,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708676810] [2024-11-08 11:33:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708676810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:22,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:22,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 11:33:22,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382222468] [2024-11-08 11:33:22,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:22,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:22,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:22,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:22,841 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) [2024-11-08 11:33:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:24,044 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2024-11-08 11:33:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:24,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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 99 [2024-11-08 11:33:24,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:24,050 INFO L225 Difference]: With dead ends: 3296 [2024-11-08 11:33:24,051 INFO L226 Difference]: Without dead ends: 1978 [2024-11-08 11:33:24,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:24,053 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:24,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 11:33:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2024-11-08 11:33:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2024-11-08 11:33:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 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) [2024-11-08 11:33:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2024-11-08 11:33:24,087 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 99 [2024-11-08 11:33:24,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:24,088 INFO L471 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2024-11-08 11:33:24,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) [2024-11-08 11:33:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2024-11-08 11:33:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 11:33:24,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:24,091 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:24,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 11:33:24,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:24,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:24,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1109275341, now seen corresponding path program 1 times [2024-11-08 11:33:24,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:24,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117869814] [2024-11-08 11:33:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:24,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 11:33:24,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:24,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117869814] [2024-11-08 11:33:24,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117869814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:24,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:24,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 11:33:24,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330217612] [2024-11-08 11:33:24,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:24,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:24,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:24,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:24,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:24,386 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 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) [2024-11-08 11:33:25,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:25,739 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2024-11-08 11:33:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:25,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 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 191 [2024-11-08 11:33:25,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:25,751 INFO L225 Difference]: With dead ends: 5928 [2024-11-08 11:33:25,752 INFO L226 Difference]: Without dead ends: 3952 [2024-11-08 11:33:25,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:25,755 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 181 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:25,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 259 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 11:33:25,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2024-11-08 11:33:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2024-11-08 11:33:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 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) [2024-11-08 11:33:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2024-11-08 11:33:25,820 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 191 [2024-11-08 11:33:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:25,822 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2024-11-08 11:33:25,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 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) [2024-11-08 11:33:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2024-11-08 11:33:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-08 11:33:25,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:25,827 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:25,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 11:33:25,828 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:25,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1594600074, now seen corresponding path program 1 times [2024-11-08 11:33:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:25,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870486796] [2024-11-08 11:33:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 11:33:26,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:26,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870486796] [2024-11-08 11:33:26,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870486796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:26,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:26,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:26,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122904806] [2024-11-08 11:33:26,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:26,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 11:33:26,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:26,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 11:33:26,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 11:33:26,527 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 11:33:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:27,898 INFO L93 Difference]: Finished difference Result 8231 states and 9951 transitions. [2024-11-08 11:33:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 11:33:27,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 277 [2024-11-08 11:33:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:27,911 INFO L225 Difference]: With dead ends: 8231 [2024-11-08 11:33:27,912 INFO L226 Difference]: Without dead ends: 4281 [2024-11-08 11:33:27,916 INFO L431 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 [2024-11-08 11:33:27,917 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 127 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:27,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 322 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 11:33:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2024-11-08 11:33:27,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2024-11-08 11:33:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 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) [2024-11-08 11:33:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2024-11-08 11:33:27,984 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 277 [2024-11-08 11:33:27,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:27,985 INFO L471 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2024-11-08 11:33:27,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 11:33:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2024-11-08 11:33:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-08 11:33:27,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:27,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-08 11:33:27,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 11:33:27,991 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:27,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:27,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1661708313, now seen corresponding path program 1 times [2024-11-08 11:33:27,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:27,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906514272] [2024-11-08 11:33:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:27,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 11:33:28,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:28,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906514272] [2024-11-08 11:33:28,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906514272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:28,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:28,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 11:33:28,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103245587] [2024-11-08 11:33:28,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:28,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 11:33:28,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:28,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 11:33:28,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 11:33:28,683 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 52.0) internal successors, (364), 6 states have internal predecessors, (364), 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) [2024-11-08 11:33:30,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:30,552 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2024-11-08 11:33:30,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 11:33:30,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.0) internal successors, (364), 6 states have internal predecessors, (364), 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 364 [2024-11-08 11:33:30,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:30,591 INFO L225 Difference]: With dead ends: 8090 [2024-11-08 11:33:30,592 INFO L226 Difference]: Without dead ends: 3952 [2024-11-08 11:33:30,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 11:33:30,597 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 288 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 2635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:30,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 302 Invalid, 2635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 11:33:30,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2024-11-08 11:33:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2024-11-08 11:33:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 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) [2024-11-08 11:33:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2024-11-08 11:33:30,661 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 364 [2024-11-08 11:33:30,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:30,662 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2024-11-08 11:33:30,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.0) internal successors, (364), 6 states have internal predecessors, (364), 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) [2024-11-08 11:33:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2024-11-08 11:33:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-08 11:33:30,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:30,667 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-08 11:33:30,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 11:33:30,668 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:30,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:30,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2131793295, now seen corresponding path program 1 times [2024-11-08 11:33:30,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:30,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623993148] [2024-11-08 11:33:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:30,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 11:33:31,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:31,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623993148] [2024-11-08 11:33:31,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623993148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 11:33:31,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442653429] [2024-11-08 11:33:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:31,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 11:33:31,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 11:33:31,299 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) [2024-11-08 11:33:31,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 11:33:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:31,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 11:33:31,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 11:33:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-08 11:33:31,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 11:33:31,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442653429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:31,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 11:33:31,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2024-11-08 11:33:31,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744655791] [2024-11-08 11:33:31,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:31,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:31,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:31,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:31,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 11:33:31,961 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 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) [2024-11-08 11:33:32,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:32,762 INFO L93 Difference]: Finished difference Result 4941 states and 5287 transitions. [2024-11-08 11:33:32,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:32,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 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 371 [2024-11-08 11:33:32,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:32,775 INFO L225 Difference]: With dead ends: 4941 [2024-11-08 11:33:32,775 INFO L226 Difference]: Without dead ends: 4939 [2024-11-08 11:33:32,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 11:33:32,778 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:32,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 83 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 11:33:32,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2024-11-08 11:33:32,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4281. [2024-11-08 11:33:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.0771028037383177) internal successors, (4610), 4280 states have internal predecessors, (4610), 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) [2024-11-08 11:33:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2024-11-08 11:33:32,836 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 371 [2024-11-08 11:33:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:32,837 INFO L471 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2024-11-08 11:33:32,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 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) [2024-11-08 11:33:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2024-11-08 11:33:32,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2024-11-08 11:33:32,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:32,848 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2024-11-08 11:33:32,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 11:33:33,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 11:33:33,049 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:33,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:33,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1021154541, now seen corresponding path program 1 times [2024-11-08 11:33:33,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:33,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899935816] [2024-11-08 11:33:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 537 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-08 11:33:33,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:33,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899935816] [2024-11-08 11:33:33,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899935816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:33,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:33,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:33,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203555341] [2024-11-08 11:33:33,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:33,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 11:33:33,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:33,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 11:33:33,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 11:33:33,831 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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) [2024-11-08 11:33:35,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:35,409 INFO L93 Difference]: Finished difference Result 12179 states and 13189 transitions. [2024-11-08 11:33:35,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 11:33:35,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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 570 [2024-11-08 11:33:35,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:35,430 INFO L225 Difference]: With dead ends: 12179 [2024-11-08 11:33:35,431 INFO L226 Difference]: Without dead ends: 8229 [2024-11-08 11:33:35,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 11:33:35,437 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 307 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:35,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 93 Invalid, 1811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 11:33:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2024-11-08 11:33:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2024-11-08 11:33:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0724142296493226) internal successors, (8471), 7899 states have internal predecessors, (8471), 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) [2024-11-08 11:33:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8471 transitions. [2024-11-08 11:33:35,607 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8471 transitions. Word has length 570 [2024-11-08 11:33:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:35,607 INFO L471 AbstractCegarLoop]: Abstraction has 7900 states and 8471 transitions. [2024-11-08 11:33:35,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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) [2024-11-08 11:33:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8471 transitions. [2024-11-08 11:33:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2024-11-08 11:33:35,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:35,626 INFO L215 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:35,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 11:33:35,626 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:35,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:35,627 INFO L85 PathProgramCache]: Analyzing trace with hash 586934931, now seen corresponding path program 1 times [2024-11-08 11:33:35,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:35,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929076017] [2024-11-08 11:33:35,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:35,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 826 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-08 11:33:36,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:36,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929076017] [2024-11-08 11:33:36,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929076017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:36,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:36,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:36,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583113090] [2024-11-08 11:33:36,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:36,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:36,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:36,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:36,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:36,365 INFO L87 Difference]: Start difference. First operand 7900 states and 8471 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-08 11:33:37,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:37,078 INFO L93 Difference]: Finished difference Result 18430 states and 19933 transitions. [2024-11-08 11:33:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:37,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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 674 [2024-11-08 11:33:37,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:37,097 INFO L225 Difference]: With dead ends: 18430 [2024-11-08 11:33:37,097 INFO L226 Difference]: Without dead ends: 11190 [2024-11-08 11:33:37,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:37,106 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 224 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:37,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 38 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 11:33:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2024-11-08 11:33:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2024-11-08 11:33:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0761462150326213) internal successors, (12041), 11189 states have internal predecessors, (12041), 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) [2024-11-08 11:33:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12041 transitions. [2024-11-08 11:33:37,251 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12041 transitions. Word has length 674 [2024-11-08 11:33:37,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:37,252 INFO L471 AbstractCegarLoop]: Abstraction has 11190 states and 12041 transitions. [2024-11-08 11:33:37,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-08 11:33:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12041 transitions. [2024-11-08 11:33:37,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2024-11-08 11:33:37,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:37,264 INFO L215 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-08 11:33:37,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 11:33:37,264 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:37,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:37,265 INFO L85 PathProgramCache]: Analyzing trace with hash -28257972, now seen corresponding path program 1 times [2024-11-08 11:33:37,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:37,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834765786] [2024-11-08 11:33:37,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:37,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2024-11-08 11:33:38,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:38,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834765786] [2024-11-08 11:33:38,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834765786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:38,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:38,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:38,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206534745] [2024-11-08 11:33:38,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:38,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 11:33:38,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:38,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 11:33:38,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 11:33:38,336 INFO L87 Difference]: Start difference. First operand 11190 states and 12041 transitions. Second operand has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 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) [2024-11-08 11:33:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:39,232 INFO L93 Difference]: Finished difference Result 21720 states and 23413 transitions. [2024-11-08 11:33:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:39,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 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 793 [2024-11-08 11:33:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:39,251 INFO L225 Difference]: With dead ends: 21720 [2024-11-08 11:33:39,251 INFO L226 Difference]: Without dead ends: 11190 [2024-11-08 11:33:39,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 11:33:39,263 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 173 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:39,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 118 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 11:33:39,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2024-11-08 11:33:39,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2024-11-08 11:33:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0758780945571544) internal successors, (12038), 11189 states have internal predecessors, (12038), 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) [2024-11-08 11:33:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12038 transitions. [2024-11-08 11:33:39,457 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12038 transitions. Word has length 793 [2024-11-08 11:33:39,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:39,458 INFO L471 AbstractCegarLoop]: Abstraction has 11190 states and 12038 transitions. [2024-11-08 11:33:39,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 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) [2024-11-08 11:33:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12038 transitions. [2024-11-08 11:33:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2024-11-08 11:33:39,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:39,471 INFO L215 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-08 11:33:39,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 11:33:39,472 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:39,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:39,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1628567870, now seen corresponding path program 1 times [2024-11-08 11:33:39,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:39,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917283584] [2024-11-08 11:33:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:39,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 878 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-11-08 11:33:40,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:40,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917283584] [2024-11-08 11:33:40,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917283584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:40,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:40,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:40,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696748687] [2024-11-08 11:33:40,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:40,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:40,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:40,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:40,178 INFO L87 Difference]: Start difference. First operand 11190 states and 12038 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 11:33:41,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:41,123 INFO L93 Difference]: Finished difference Result 24352 states and 26363 transitions. [2024-11-08 11:33:41,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:41,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 854 [2024-11-08 11:33:41,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:41,143 INFO L225 Difference]: With dead ends: 24352 [2024-11-08 11:33:41,144 INFO L226 Difference]: Without dead ends: 13822 [2024-11-08 11:33:41,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:41,155 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:41,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 437 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 11:33:41,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2024-11-08 11:33:41,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2024-11-08 11:33:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0656385322494872) internal successors, (14027), 13163 states have internal predecessors, (14027), 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) [2024-11-08 11:33:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14027 transitions. [2024-11-08 11:33:41,305 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14027 transitions. Word has length 854 [2024-11-08 11:33:41,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:41,306 INFO L471 AbstractCegarLoop]: Abstraction has 13164 states and 14027 transitions. [2024-11-08 11:33:41,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 11:33:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14027 transitions. [2024-11-08 11:33:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2024-11-08 11:33:41,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:41,320 INFO L215 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-08 11:33:41,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 11:33:41,320 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:41,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:41,321 INFO L85 PathProgramCache]: Analyzing trace with hash 178973415, now seen corresponding path program 1 times [2024-11-08 11:33:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:41,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546349975] [2024-11-08 11:33:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:41,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-08 11:33:41,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:41,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546349975] [2024-11-08 11:33:41,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546349975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:41,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:41,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:41,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840886125] [2024-11-08 11:33:41,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:41,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:41,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:41,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:41,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:41,911 INFO L87 Difference]: Start difference. First operand 13164 states and 14027 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2024-11-08 11:33:42,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:42,602 INFO L93 Difference]: Finished difference Result 30603 states and 32692 transitions. [2024-11-08 11:33:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:42,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 855 [2024-11-08 11:33:42,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:42,630 INFO L225 Difference]: With dead ends: 30603 [2024-11-08 11:33:42,630 INFO L226 Difference]: Without dead ends: 16783 [2024-11-08 11:33:42,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:42,645 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 272 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:42,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 428 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 11:33:42,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2024-11-08 11:33:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2024-11-08 11:33:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0502643894730443) internal successors, (17280), 16453 states have internal predecessors, (17280), 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) [2024-11-08 11:33:42,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17280 transitions. [2024-11-08 11:33:42,819 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17280 transitions. Word has length 855 [2024-11-08 11:33:42,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:42,820 INFO L471 AbstractCegarLoop]: Abstraction has 16454 states and 17280 transitions. [2024-11-08 11:33:42,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2024-11-08 11:33:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17280 transitions. [2024-11-08 11:33:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2024-11-08 11:33:42,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:42,872 INFO L215 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-08 11:33:42,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 11:33:42,872 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:42,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:42,873 INFO L85 PathProgramCache]: Analyzing trace with hash -340668471, now seen corresponding path program 1 times [2024-11-08 11:33:42,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:42,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74169655] [2024-11-08 11:33:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1622 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-08 11:33:43,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:43,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74169655] [2024-11-08 11:33:43,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74169655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:43,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:43,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:43,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757647241] [2024-11-08 11:33:43,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:43,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:43,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:43,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:43,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:43,896 INFO L87 Difference]: Start difference. First operand 16454 states and 17280 transitions. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2024-11-08 11:33:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:44,594 INFO L93 Difference]: Finished difference Result 32577 states and 34227 transitions. [2024-11-08 11:33:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:44,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 867 [2024-11-08 11:33:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:44,619 INFO L225 Difference]: With dead ends: 32577 [2024-11-08 11:33:44,619 INFO L226 Difference]: Without dead ends: 16454 [2024-11-08 11:33:44,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:44,633 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 261 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:44,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 371 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 11:33:44,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2024-11-08 11:33:44,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15467. [2024-11-08 11:33:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0393766972714342) internal successors, (16075), 15466 states have internal predecessors, (16075), 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) [2024-11-08 11:33:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 16075 transitions. [2024-11-08 11:33:44,793 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 16075 transitions. Word has length 867 [2024-11-08 11:33:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:44,793 INFO L471 AbstractCegarLoop]: Abstraction has 15467 states and 16075 transitions. [2024-11-08 11:33:44,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2024-11-08 11:33:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 16075 transitions. [2024-11-08 11:33:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2024-11-08 11:33:44,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:44,862 INFO L215 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:44,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 11:33:44,863 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:44,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:44,864 INFO L85 PathProgramCache]: Analyzing trace with hash -823614638, now seen corresponding path program 1 times [2024-11-08 11:33:44,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:44,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443316360] [2024-11-08 11:33:44,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:44,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2024-11-08 11:33:45,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:45,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443316360] [2024-11-08 11:33:45,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443316360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:45,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:45,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:45,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669922110] [2024-11-08 11:33:45,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:45,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:45,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:45,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:45,547 INFO L87 Difference]: Start difference. First operand 15467 states and 16075 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2024-11-08 11:33:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:46,274 INFO L93 Difference]: Finished difference Result 30274 states and 31486 transitions. [2024-11-08 11:33:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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 881 [2024-11-08 11:33:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:46,298 INFO L225 Difference]: With dead ends: 30274 [2024-11-08 11:33:46,298 INFO L226 Difference]: Without dead ends: 15467 [2024-11-08 11:33:46,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:46,309 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 285 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:46,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 377 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 11:33:46,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2024-11-08 11:33:46,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 15138. [2024-11-08 11:33:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15138 states, 15137 states have (on average 1.0350796062627998) internal successors, (15668), 15137 states have internal predecessors, (15668), 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) [2024-11-08 11:33:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15668 transitions. [2024-11-08 11:33:46,460 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15668 transitions. Word has length 881 [2024-11-08 11:33:46,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:46,461 INFO L471 AbstractCegarLoop]: Abstraction has 15138 states and 15668 transitions. [2024-11-08 11:33:46,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2024-11-08 11:33:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15668 transitions. [2024-11-08 11:33:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2024-11-08 11:33:46,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:46,519 INFO L215 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:46,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 11:33:46,520 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:46,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1613333936, now seen corresponding path program 1 times [2024-11-08 11:33:46,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:46,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418288709] [2024-11-08 11:33:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:46,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3124 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2024-11-08 11:33:47,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:47,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418288709] [2024-11-08 11:33:47,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418288709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:47,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:47,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:47,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061216953] [2024-11-08 11:33:47,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:47,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:47,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:47,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:47,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:47,184 INFO L87 Difference]: Start difference. First operand 15138 states and 15668 transitions. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2024-11-08 11:33:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:47,909 INFO L93 Difference]: Finished difference Result 32906 states and 34105 transitions. [2024-11-08 11:33:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:47,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 1208 [2024-11-08 11:33:47,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:47,922 INFO L225 Difference]: With dead ends: 32906 [2024-11-08 11:33:47,922 INFO L226 Difference]: Without dead ends: 16125 [2024-11-08 11:33:47,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:47,932 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 273 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:47,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 413 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 11:33:47,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2024-11-08 11:33:48,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2024-11-08 11:33:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0298828743273187) internal successors, (16267), 15795 states have internal predecessors, (16267), 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) [2024-11-08 11:33:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16267 transitions. [2024-11-08 11:33:48,088 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16267 transitions. Word has length 1208 [2024-11-08 11:33:48,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:48,089 INFO L471 AbstractCegarLoop]: Abstraction has 15796 states and 16267 transitions. [2024-11-08 11:33:48,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2024-11-08 11:33:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16267 transitions. [2024-11-08 11:33:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1389 [2024-11-08 11:33:48,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:48,113 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 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, 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, 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] [2024-11-08 11:33:48,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 11:33:48,114 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:48,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:48,115 INFO L85 PathProgramCache]: Analyzing trace with hash 635226185, now seen corresponding path program 1 times [2024-11-08 11:33:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:48,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664143582] [2024-11-08 11:33:48,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:48,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4450 backedges. 2941 proven. 0 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2024-11-08 11:33:48,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:48,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664143582] [2024-11-08 11:33:48,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664143582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:48,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169692693] [2024-11-08 11:33:48,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:48,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:48,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:48,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:48,821 INFO L87 Difference]: Start difference. First operand 15796 states and 16267 transitions. Second operand has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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) [2024-11-08 11:33:49,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:49,512 INFO L93 Difference]: Finished difference Result 32248 states and 33227 transitions. [2024-11-08 11:33:49,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:49,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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 1388 [2024-11-08 11:33:49,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:49,527 INFO L225 Difference]: With dead ends: 32248 [2024-11-08 11:33:49,527 INFO L226 Difference]: Without dead ends: 17112 [2024-11-08 11:33:49,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:49,538 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 193 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:49,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 418 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 11:33:49,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2024-11-08 11:33:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2024-11-08 11:33:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0274092688913565) internal successors, (17580), 17111 states have internal predecessors, (17580), 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) [2024-11-08 11:33:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17580 transitions. [2024-11-08 11:33:49,697 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17580 transitions. Word has length 1388 [2024-11-08 11:33:49,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:49,697 INFO L471 AbstractCegarLoop]: Abstraction has 17112 states and 17580 transitions. [2024-11-08 11:33:49,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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) [2024-11-08 11:33:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17580 transitions. [2024-11-08 11:33:49,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2024-11-08 11:33:49,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:49,718 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 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] [2024-11-08 11:33:49,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 11:33:49,718 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:49,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:49,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1514425322, now seen corresponding path program 1 times [2024-11-08 11:33:49,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:49,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448949914] [2024-11-08 11:33:49,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:49,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4607 backedges. 3084 proven. 0 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2024-11-08 11:33:50,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:50,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448949914] [2024-11-08 11:33:50,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448949914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:50,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 11:33:50,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 11:33:50,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851733481] [2024-11-08 11:33:50,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:50,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:50,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:50,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:50,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:50,630 INFO L87 Difference]: Start difference. First operand 17112 states and 17580 transitions. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-08 11:33:51,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:51,284 INFO L93 Difference]: Finished difference Result 33893 states and 34826 transitions. [2024-11-08 11:33:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:51,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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 [2024-11-08 11:33:51,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:51,298 INFO L225 Difference]: With dead ends: 33893 [2024-11-08 11:33:51,299 INFO L226 Difference]: Without dead ends: 17112 [2024-11-08 11:33:51,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 11:33:51,308 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 192 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:51,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 421 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 11:33:51,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2024-11-08 11:33:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2024-11-08 11:33:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0228220712668334) internal successors, (17165), 16782 states have internal predecessors, (17165), 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) [2024-11-08 11:33:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17165 transitions. [2024-11-08 11:33:51,429 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17165 transitions. Word has length 1417 [2024-11-08 11:33:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:51,429 INFO L471 AbstractCegarLoop]: Abstraction has 16783 states and 17165 transitions. [2024-11-08 11:33:51,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-08 11:33:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17165 transitions. [2024-11-08 11:33:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1679 [2024-11-08 11:33:51,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 11:33:51,449 INFO L215 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:51,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 11:33:51,449 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 11:33:51,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 11:33:51,449 INFO L85 PathProgramCache]: Analyzing trace with hash 981519082, now seen corresponding path program 1 times [2024-11-08 11:33:51,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 11:33:51,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875154396] [2024-11-08 11:33:51,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:51,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 11:33:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4653 backedges. 1863 proven. 32 refuted. 0 times theorem prover too weak. 2758 trivial. 0 not checked. [2024-11-08 11:33:52,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 11:33:52,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875154396] [2024-11-08 11:33:52,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875154396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 11:33:52,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989135635] [2024-11-08 11:33:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 11:33:52,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 11:33:52,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 11:33:52,465 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) [2024-11-08 11:33:52,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 11:33:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 11:33:52,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 1915 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 11:33:52,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 11:33:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4653 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 4414 trivial. 0 not checked. [2024-11-08 11:33:52,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 11:33:52,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989135635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 11:33:52,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 11:33:52,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-08 11:33:52,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912316173] [2024-11-08 11:33:52,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 11:33:52,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 11:33:52,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 11:33:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 11:33:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 11:33:52,999 INFO L87 Difference]: Start difference. First operand 16783 states and 17165 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-11-08 11:33:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 11:33:53,618 INFO L93 Difference]: Finished difference Result 32904 states and 33665 transitions. [2024-11-08 11:33:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 11:33:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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 1678 [2024-11-08 11:33:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 11:33:53,620 INFO L225 Difference]: With dead ends: 32904 [2024-11-08 11:33:53,620 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 11:33:53,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1682 GetRequests, 1678 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 11:33:53,629 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 316 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 11:33:53,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 50 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 11:33:53,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 11:33:53,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 11:33:53,630 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) [2024-11-08 11:33:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 11:33:53,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1678 [2024-11-08 11:33:53,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 11:33:53,631 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 11:33:53,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-11-08 11:33:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 11:33:53,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 11:33:53,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 11:33:53,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 11:33:53,834 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,SelfDestructingSolverStorable17 [2024-11-08 11:33:53,837 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 11:33:53,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 11:33:54,985 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 11:33:55,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:33:55 BoogieIcfgContainer [2024-11-08 11:33:55,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 11:33:55,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 11:33:55,003 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 11:33:55,004 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 11:33:55,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:33:18" (3/4) ... [2024-11-08 11:33:55,006 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 11:33:55,039 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 11:33:55,041 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 11:33:55,043 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 11:33:55,044 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 11:33:55,242 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 11:33:55,242 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 11:33:55,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 11:33:55,243 INFO L158 Benchmark]: Toolchain (without parser) took 40112.09ms. Allocated memory was 163.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 99.5MB in the beginning and 584.5MB in the end (delta: -485.0MB). Peak memory consumption was 698.2MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,243 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 11:33:55,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.97ms. Allocated memory is still 163.6MB. Free memory was 99.5MB in the beginning and 87.3MB in the end (delta: 12.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 240.02ms. Allocated memory is still 163.6MB. Free memory was 87.3MB in the beginning and 111.8MB in the end (delta: -24.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,247 INFO L158 Benchmark]: Boogie Preprocessor took 201.78ms. Allocated memory is still 163.6MB. Free memory was 111.8MB in the beginning and 77.3MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,247 INFO L158 Benchmark]: RCFGBuilder took 2254.49ms. Allocated memory was 163.6MB in the beginning and 222.3MB in the end (delta: 58.7MB). Free memory was 77.3MB in the beginning and 166.7MB in the end (delta: -89.4MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,247 INFO L158 Benchmark]: TraceAbstraction took 36267.28ms. Allocated memory was 222.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 166.7MB in the beginning and 610.7MB in the end (delta: -444.0MB). Peak memory consumption was 682.2MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,248 INFO L158 Benchmark]: Witness Printer took 239.04ms. Allocated memory is still 1.3GB. Free memory was 610.7MB in the beginning and 584.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 11:33:55,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 50.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.97ms. Allocated memory is still 163.6MB. Free memory was 99.5MB in the beginning and 87.3MB in the end (delta: 12.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 240.02ms. Allocated memory is still 163.6MB. Free memory was 87.3MB in the beginning and 111.8MB in the end (delta: -24.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.78ms. Allocated memory is still 163.6MB. Free memory was 111.8MB in the beginning and 77.3MB in the end (delta: 34.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2254.49ms. Allocated memory was 163.6MB in the beginning and 222.3MB in the end (delta: 58.7MB). Free memory was 77.3MB in the beginning and 166.7MB in the end (delta: -89.4MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * TraceAbstraction took 36267.28ms. Allocated memory was 222.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 166.7MB in the beginning and 610.7MB in the end (delta: -444.0MB). Peak memory consumption was 682.2MB. Max. memory is 16.1GB. * Witness Printer took 239.04ms. Allocated memory is still 1.3GB. Free memory was 610.7MB in the beginning and 584.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. 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: 113]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 18, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4496 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4496 mSDsluCounter, 4476 SdHoareTripleChecker+Invalid, 14.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 2464 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17897 IncrementalHoareTripleChecker+Invalid, 20361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2464 mSolverCounterUnsat, 4287 mSDtfsCounter, 17897 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2106 GetRequests, 2075 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=16, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 3948 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 14666 NumberOfCodeBlocks, 14666 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 14646 ConstructedInterpolants, 0 QuantifiedInterpolants, 29073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2381 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 31410/31478 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: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a15 <= 3) && (5 != a12)) && (a12 <= 6)) && (a16 <= 11)) || (((a12 == 9) && (a16 == 8)) && (a15 <= 3))) || (((a16 == 8) && (a15 == 4)) && (7 == a12))) || (((a16 == 8) && (a15 <= 3)) && (((long long) 87 + a18) <= 0))) || (((a12 == 9) && (a16 == 8)) && (a15 == 4))) || ((((0 <= ((long long) 87 + a18)) && (a15 <= 3)) && (5 != a12)) && (a12 <= 6))) || (((a12 == 9) && (a15 <= 3)) && (((long long) 87 + a18) <= 0))) || (((a16 == 9) && (a15 == 4)) && (a12 == 8))) || (((5 == a12) && (a15 == 3)) && (11 <= a16))) || (((a16 == 8) && (a15 == 4)) && (a12 == 8))) || ((a15 <= 3) && (a12 == 8))) || (((a12 == 9) && (a16 == 9)) && (a15 == 4))) || (((a16 == 9) && (a15 == 4)) && (7 == a12))) || (((a16 == 9) && (5 == a12)) && (a15 == 3))) || (((a15 <= 3) && (11 <= a16)) && (7 == a12))) || ((((a16 == 9) && (a15 <= 3)) && (5 != a12)) && (a12 <= 7))) || (((0 <= ((long long) 87 + a18)) && (a12 <= 6)) && (a15 == 3))) || (((a16 == 8) && (a15 <= 3)) && (a12 <= 6))) || ((((0 <= ((long long) 87 + a18)) && (a16 == 9)) && (a15 <= 3)) && (5 != a12))) || (((a15 == 4) && (a12 <= 6)) && (a16 <= 11))) || (((a12 == 9) && (a15 <= 3)) && (11 <= a16))) RESULT: Ultimate proved your program to be correct! [2024-11-08 11:33:55,291 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