/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 06:29:07,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 06:29:07,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 06:29:07,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 06:29:07,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 06:29:07,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 06:29:07,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 06:29:07,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 06:29:07,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 06:29:07,580 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 06:29:07,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 06:29:07,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 06:29:07,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 06:29:07,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 06:29:07,582 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 06:29:07,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 06:29:07,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 06:29:07,583 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 06:29:07,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 06:29:07,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 06:29:07,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 06:29:07,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 06:29:07,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 06:29:07,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 06:29:07,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 06:29:07,585 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 06:29:07,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 06:29:07,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 06:29:07,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 06:29:07,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 06:29:07,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 06:29:07,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 06:29:07,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:29:07,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 06:29:07,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 06:29:07,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 06:29:07,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 06:29:07,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 06:29:07,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 06:29:07,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 06:29:07,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 06:29:07,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 06:29:07,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 06:29:07,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 06:29:07,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 06:29:07,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 06:29:07,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 06:29:07,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 06:29:07,813 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 06:29:07,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2023-12-16 06:29:08,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 06:29:09,156 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 06:29:09,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2023-12-16 06:29:09,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de80e157/e64c906081c8418991882c8a4a182297/FLAGb1342142a [2023-12-16 06:29:09,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de80e157/e64c906081c8418991882c8a4a182297 [2023-12-16 06:29:09,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 06:29:09,183 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 06:29:09,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 06:29:09,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 06:29:09,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 06:29:09,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6c9259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09, skipping insertion in model container [2023-12-16 06:29:09,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 06:29:09,418 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[6732,6745] [2023-12-16 06:29:09,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:29:09,466 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 06:29:09,513 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[6732,6745] [2023-12-16 06:29:09,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:29:09,555 INFO L206 MainTranslator]: Completed translation [2023-12-16 06:29:09,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09 WrapperNode [2023-12-16 06:29:09,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 06:29:09,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 06:29:09,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 06:29:09,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 06:29:09,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,592 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 531 [2023-12-16 06:29:09,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 06:29:09,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 06:29:09,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 06:29:09,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 06:29:09,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,625 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]. [2023-12-16 06:29:09,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 06:29:09,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 06:29:09,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 06:29:09,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 06:29:09,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (1/1) ... [2023-12-16 06:29:09,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:29:09,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:29:09,703 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) [2023-12-16 06:29:09,723 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 [2023-12-16 06:29:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 06:29:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 06:29:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 06:29:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 06:29:09,835 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 06:29:09,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 06:29:10,247 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 06:29:10,271 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 06:29:10,271 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 06:29:10,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:29:10 BoogieIcfgContainer [2023-12-16 06:29:10,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 06:29:10,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 06:29:10,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 06:29:10,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 06:29:10,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:29:09" (1/3) ... [2023-12-16 06:29:10,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a675e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:29:10, skipping insertion in model container [2023-12-16 06:29:10,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:29:09" (2/3) ... [2023-12-16 06:29:10,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a675e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:29:10, skipping insertion in model container [2023-12-16 06:29:10,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:29:10" (3/3) ... [2023-12-16 06:29:10,277 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2023-12-16 06:29:10,289 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 06:29:10,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 06:29:10,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 06:29:10,329 INFO L357 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, mHoare=true, 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;@4ab90bfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 06:29:10,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 06:29:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 114 states have (on average 1.7456140350877194) internal successors, (199), 115 states have internal predecessors, (199), 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) [2023-12-16 06:29:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:29:10,339 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:10,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:10,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:10,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:10,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1168522135, now seen corresponding path program 1 times [2023-12-16 06:29:10,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:10,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556656164] [2023-12-16 06:29:10,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:10,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:10,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:10,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556656164] [2023-12-16 06:29:10,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556656164] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:10,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:10,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:10,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971471057] [2023-12-16 06:29:10,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:10,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:10,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:10,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:10,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:10,711 INFO L87 Difference]: Start difference. First operand has 116 states, 114 states have (on average 1.7456140350877194) internal successors, (199), 115 states have internal predecessors, (199), 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 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-12-16 06:29:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:10,773 INFO L93 Difference]: Finished difference Result 256 states and 418 transitions. [2023-12-16 06:29:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:10,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2023-12-16 06:29:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:10,785 INFO L225 Difference]: With dead ends: 256 [2023-12-16 06:29:10,785 INFO L226 Difference]: Without dead ends: 178 [2023-12-16 06:29:10,787 INFO L412 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 [2023-12-16 06:29:10,790 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 132 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:10,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 395 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-16 06:29:10,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2023-12-16 06:29:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.457142857142857) internal successors, (255), 175 states have internal predecessors, (255), 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) [2023-12-16 06:29:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 255 transitions. [2023-12-16 06:29:10,829 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 255 transitions. Word has length 72 [2023-12-16 06:29:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:10,829 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 255 transitions. [2023-12-16 06:29:10,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-12-16 06:29:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 255 transitions. [2023-12-16 06:29:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 06:29:10,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:10,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:10,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 06:29:10,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:10,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash 199267447, now seen corresponding path program 1 times [2023-12-16 06:29:10,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:10,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897500211] [2023-12-16 06:29:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:10,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:10,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897500211] [2023-12-16 06:29:10,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897500211] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:10,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:10,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:10,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919319815] [2023-12-16 06:29:10,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:10,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:10,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:10,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:10,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:10,922 INFO L87 Difference]: Start difference. First operand 176 states and 255 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2023-12-16 06:29:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:10,957 INFO L93 Difference]: Finished difference Result 428 states and 655 transitions. [2023-12-16 06:29:10,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:10,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2023-12-16 06:29:10,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:10,965 INFO L225 Difference]: With dead ends: 428 [2023-12-16 06:29:10,965 INFO L226 Difference]: Without dead ends: 294 [2023-12-16 06:29:10,965 INFO L412 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 [2023-12-16 06:29:10,966 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 94 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:10,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 342 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:10,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-12-16 06:29:10,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 292. [2023-12-16 06:29:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.5085910652920962) internal successors, (439), 291 states have internal predecessors, (439), 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) [2023-12-16 06:29:10,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 439 transitions. [2023-12-16 06:29:10,988 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 439 transitions. Word has length 73 [2023-12-16 06:29:10,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:10,988 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 439 transitions. [2023-12-16 06:29:10,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2023-12-16 06:29:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 439 transitions. [2023-12-16 06:29:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-16 06:29:10,990 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:10,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:10,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 06:29:10,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:10,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash -619794628, now seen corresponding path program 1 times [2023-12-16 06:29:10,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:10,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369269687] [2023-12-16 06:29:10,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:10,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:11,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:11,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369269687] [2023-12-16 06:29:11,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369269687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:11,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:11,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:11,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832074409] [2023-12-16 06:29:11,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:11,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:11,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:11,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:11,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:11,093 INFO L87 Difference]: Start difference. First operand 292 states and 439 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2023-12-16 06:29:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:11,109 INFO L93 Difference]: Finished difference Result 760 states and 1181 transitions. [2023-12-16 06:29:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:11,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2023-12-16 06:29:11,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:11,112 INFO L225 Difference]: With dead ends: 760 [2023-12-16 06:29:11,112 INFO L226 Difference]: Without dead ends: 510 [2023-12-16 06:29:11,113 INFO L412 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 [2023-12-16 06:29:11,114 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 89 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:11,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 338 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-12-16 06:29:11,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 508. [2023-12-16 06:29:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 507 states have (on average 1.5364891518737673) internal successors, (779), 507 states have internal predecessors, (779), 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) [2023-12-16 06:29:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 779 transitions. [2023-12-16 06:29:11,136 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 779 transitions. Word has length 74 [2023-12-16 06:29:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:11,136 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 779 transitions. [2023-12-16 06:29:11,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2023-12-16 06:29:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 779 transitions. [2023-12-16 06:29:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-16 06:29:11,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:11,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:11,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 06:29:11,138 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:11,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash -544666826, now seen corresponding path program 1 times [2023-12-16 06:29:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:11,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407274612] [2023-12-16 06:29:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:11,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:11,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407274612] [2023-12-16 06:29:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407274612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:11,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:11,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333445385] [2023-12-16 06:29:11,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:11,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:11,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:11,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:11,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:11,235 INFO L87 Difference]: Start difference. First operand 508 states and 779 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2023-12-16 06:29:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:11,299 INFO L93 Difference]: Finished difference Result 1376 states and 2149 transitions. [2023-12-16 06:29:11,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:11,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2023-12-16 06:29:11,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:11,304 INFO L225 Difference]: With dead ends: 1376 [2023-12-16 06:29:11,304 INFO L226 Difference]: Without dead ends: 910 [2023-12-16 06:29:11,310 INFO L412 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 [2023-12-16 06:29:11,315 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 84 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:11,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 334 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2023-12-16 06:29:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 908. [2023-12-16 06:29:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 907 states have (on average 1.5468577728776185) internal successors, (1403), 907 states have internal predecessors, (1403), 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) [2023-12-16 06:29:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1403 transitions. [2023-12-16 06:29:11,350 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1403 transitions. Word has length 75 [2023-12-16 06:29:11,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:11,350 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1403 transitions. [2023-12-16 06:29:11,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2023-12-16 06:29:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1403 transitions. [2023-12-16 06:29:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 06:29:11,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:11,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:11,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 06:29:11,356 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:11,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:11,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1064989273, now seen corresponding path program 1 times [2023-12-16 06:29:11,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:11,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103052392] [2023-12-16 06:29:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:11,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:11,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:11,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103052392] [2023-12-16 06:29:11,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103052392] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:11,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:11,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:11,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417432801] [2023-12-16 06:29:11,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:11,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:11,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:11,455 INFO L87 Difference]: Start difference. First operand 908 states and 1403 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-12-16 06:29:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:11,477 INFO L93 Difference]: Finished difference Result 2512 states and 3917 transitions. [2023-12-16 06:29:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:11,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 76 [2023-12-16 06:29:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:11,485 INFO L225 Difference]: With dead ends: 2512 [2023-12-16 06:29:11,485 INFO L226 Difference]: Without dead ends: 1646 [2023-12-16 06:29:11,486 INFO L412 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 [2023-12-16 06:29:11,489 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 79 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:11,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 330 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2023-12-16 06:29:11,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1644. [2023-12-16 06:29:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 1643 states have (on average 1.5453438831405966) internal successors, (2539), 1643 states have internal predecessors, (2539), 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) [2023-12-16 06:29:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2539 transitions. [2023-12-16 06:29:11,516 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2539 transitions. Word has length 76 [2023-12-16 06:29:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:11,517 INFO L495 AbstractCegarLoop]: Abstraction has 1644 states and 2539 transitions. [2023-12-16 06:29:11,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-12-16 06:29:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2539 transitions. [2023-12-16 06:29:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-16 06:29:11,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:11,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:11,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 06:29:11,519 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:11,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:11,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1230877810, now seen corresponding path program 1 times [2023-12-16 06:29:11,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:11,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307480670] [2023-12-16 06:29:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:11,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:11,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307480670] [2023-12-16 06:29:11,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307480670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:11,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:11,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:11,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221469602] [2023-12-16 06:29:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:11,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:11,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:11,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:11,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:11,685 INFO L87 Difference]: Start difference. First operand 1644 states and 2539 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2023-12-16 06:29:12,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:12,080 INFO L93 Difference]: Finished difference Result 20868 states and 32503 transitions. [2023-12-16 06:29:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 06:29:12,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2023-12-16 06:29:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:12,139 INFO L225 Difference]: With dead ends: 20868 [2023-12-16 06:29:12,140 INFO L226 Difference]: Without dead ends: 19266 [2023-12-16 06:29:12,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:29:12,151 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1770 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:12,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 2901 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:12,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19266 states. [2023-12-16 06:29:12,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19266 to 3244. [2023-12-16 06:29:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 3243 states have (on average 1.5328399629972247) internal successors, (4971), 3243 states have internal predecessors, (4971), 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) [2023-12-16 06:29:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 4971 transitions. [2023-12-16 06:29:12,336 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 4971 transitions. Word has length 77 [2023-12-16 06:29:12,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:12,336 INFO L495 AbstractCegarLoop]: Abstraction has 3244 states and 4971 transitions. [2023-12-16 06:29:12,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2023-12-16 06:29:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 4971 transitions. [2023-12-16 06:29:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-16 06:29:12,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:12,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:12,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 06:29:12,338 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:12,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:12,339 INFO L85 PathProgramCache]: Analyzing trace with hash 835749454, now seen corresponding path program 1 times [2023-12-16 06:29:12,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:12,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975106287] [2023-12-16 06:29:12,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:12,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:12,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:12,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975106287] [2023-12-16 06:29:12,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975106287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:12,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:12,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:12,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849754345] [2023-12-16 06:29:12,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:12,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:12,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:12,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:12,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:12,478 INFO L87 Difference]: Start difference. First operand 3244 states and 4971 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2023-12-16 06:29:12,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:12,530 INFO L93 Difference]: Finished difference Result 9296 states and 14221 transitions. [2023-12-16 06:29:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:12,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2023-12-16 06:29:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:12,562 INFO L225 Difference]: With dead ends: 9296 [2023-12-16 06:29:12,563 INFO L226 Difference]: Without dead ends: 6094 [2023-12-16 06:29:12,569 INFO L412 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 [2023-12-16 06:29:12,571 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 69 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:12,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 260 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:12,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6094 states. [2023-12-16 06:29:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6094 to 6028. [2023-12-16 06:29:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6028 states, 6027 states have (on average 1.5043968807035009) internal successors, (9067), 6027 states have internal predecessors, (9067), 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) [2023-12-16 06:29:12,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6028 states to 6028 states and 9067 transitions. [2023-12-16 06:29:12,722 INFO L78 Accepts]: Start accepts. Automaton has 6028 states and 9067 transitions. Word has length 79 [2023-12-16 06:29:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:12,722 INFO L495 AbstractCegarLoop]: Abstraction has 6028 states and 9067 transitions. [2023-12-16 06:29:12,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2023-12-16 06:29:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6028 states and 9067 transitions. [2023-12-16 06:29:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-16 06:29:12,724 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:12,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:12,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 06:29:12,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:12,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:12,725 INFO L85 PathProgramCache]: Analyzing trace with hash 856752109, now seen corresponding path program 1 times [2023-12-16 06:29:12,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:12,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170786813] [2023-12-16 06:29:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:13,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:13,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170786813] [2023-12-16 06:29:13,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170786813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:13,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:13,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:13,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105731271] [2023-12-16 06:29:13,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:13,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:13,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:13,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:13,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:13,139 INFO L87 Difference]: Start difference. First operand 6028 states and 9067 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) [2023-12-16 06:29:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:13,398 INFO L93 Difference]: Finished difference Result 12016 states and 18093 transitions. [2023-12-16 06:29:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:13,398 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2023-12-16 06:29:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:13,408 INFO L225 Difference]: With dead ends: 12016 [2023-12-16 06:29:13,408 INFO L226 Difference]: Without dead ends: 6030 [2023-12-16 06:29:13,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:29:13,416 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 472 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:13,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 745 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6030 states. [2023-12-16 06:29:13,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6030 to 6028. [2023-12-16 06:29:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6028 states, 6027 states have (on average 1.49377799900448) internal successors, (9003), 6027 states have internal predecessors, (9003), 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) [2023-12-16 06:29:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6028 states to 6028 states and 9003 transitions. [2023-12-16 06:29:13,582 INFO L78 Accepts]: Start accepts. Automaton has 6028 states and 9003 transitions. Word has length 79 [2023-12-16 06:29:13,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:13,582 INFO L495 AbstractCegarLoop]: Abstraction has 6028 states and 9003 transitions. [2023-12-16 06:29:13,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) [2023-12-16 06:29:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6028 states and 9003 transitions. [2023-12-16 06:29:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:29:13,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:13,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:13,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 06:29:13,584 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:13,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash 89483993, now seen corresponding path program 1 times [2023-12-16 06:29:13,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:13,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234843695] [2023-12-16 06:29:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:13,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:13,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234843695] [2023-12-16 06:29:13,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234843695] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:13,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:13,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:13,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92984582] [2023-12-16 06:29:13,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:13,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:13,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:13,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:13,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:13,631 INFO L87 Difference]: Start difference. First operand 6028 states and 9003 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2023-12-16 06:29:13,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:13,666 INFO L93 Difference]: Finished difference Result 11795 states and 17777 transitions. [2023-12-16 06:29:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:13,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2023-12-16 06:29:13,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:13,678 INFO L225 Difference]: With dead ends: 11795 [2023-12-16 06:29:13,678 INFO L226 Difference]: Without dead ends: 8592 [2023-12-16 06:29:13,683 INFO L412 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 [2023-12-16 06:29:13,684 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 101 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:13,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 354 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2023-12-16 06:29:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 8590. [2023-12-16 06:29:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8590 states, 8589 states have (on average 1.491791826755152) internal successors, (12813), 8589 states have internal predecessors, (12813), 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) [2023-12-16 06:29:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8590 states to 8590 states and 12813 transitions. [2023-12-16 06:29:13,794 INFO L78 Accepts]: Start accepts. Automaton has 8590 states and 12813 transitions. Word has length 80 [2023-12-16 06:29:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:13,795 INFO L495 AbstractCegarLoop]: Abstraction has 8590 states and 12813 transitions. [2023-12-16 06:29:13,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2023-12-16 06:29:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 8590 states and 12813 transitions. [2023-12-16 06:29:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:29:13,795 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:13,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:13,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 06:29:13,796 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:13,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash 787602291, now seen corresponding path program 1 times [2023-12-16 06:29:13,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:13,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638889800] [2023-12-16 06:29:13,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:13,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:13,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638889800] [2023-12-16 06:29:13,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638889800] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:13,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:13,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:29:13,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681832163] [2023-12-16 06:29:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:13,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:29:13,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:29:13,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:29:13,869 INFO L87 Difference]: Start difference. First operand 8590 states and 12813 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:13,959 INFO L93 Difference]: Finished difference Result 17136 states and 25582 transitions. [2023-12-16 06:29:13,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:29:13,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-12-16 06:29:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:13,973 INFO L225 Difference]: With dead ends: 17136 [2023-12-16 06:29:13,973 INFO L226 Difference]: Without dead ends: 8590 [2023-12-16 06:29:13,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:29:13,984 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 388 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:13,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 115 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:13,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2023-12-16 06:29:14,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 8590. [2023-12-16 06:29:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8590 states, 8589 states have (on average 1.480614739783444) internal successors, (12717), 8589 states have internal predecessors, (12717), 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) [2023-12-16 06:29:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8590 states to 8590 states and 12717 transitions. [2023-12-16 06:29:14,166 INFO L78 Accepts]: Start accepts. Automaton has 8590 states and 12717 transitions. Word has length 80 [2023-12-16 06:29:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:14,166 INFO L495 AbstractCegarLoop]: Abstraction has 8590 states and 12717 transitions. [2023-12-16 06:29:14,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 8590 states and 12717 transitions. [2023-12-16 06:29:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:29:14,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:14,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:14,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 06:29:14,167 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:14,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 24738584, now seen corresponding path program 1 times [2023-12-16 06:29:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:14,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784598338] [2023-12-16 06:29:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:14,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:14,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784598338] [2023-12-16 06:29:14,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784598338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:14,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:14,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:29:14,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660003636] [2023-12-16 06:29:14,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:14,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:29:14,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:14,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:29:14,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:29:14,241 INFO L87 Difference]: Start difference. First operand 8590 states and 12717 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:14,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:14,332 INFO L93 Difference]: Finished difference Result 17136 states and 25390 transitions. [2023-12-16 06:29:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:29:14,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-12-16 06:29:14,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:14,345 INFO L225 Difference]: With dead ends: 17136 [2023-12-16 06:29:14,345 INFO L226 Difference]: Without dead ends: 8590 [2023-12-16 06:29:14,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:29:14,355 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 359 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:14,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 131 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:14,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2023-12-16 06:29:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 8590. [2023-12-16 06:29:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8590 states, 8589 states have (on average 1.4694376528117359) internal successors, (12621), 8589 states have internal predecessors, (12621), 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) [2023-12-16 06:29:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8590 states to 8590 states and 12621 transitions. [2023-12-16 06:29:14,452 INFO L78 Accepts]: Start accepts. Automaton has 8590 states and 12621 transitions. Word has length 80 [2023-12-16 06:29:14,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:14,452 INFO L495 AbstractCegarLoop]: Abstraction has 8590 states and 12621 transitions. [2023-12-16 06:29:14,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 8590 states and 12621 transitions. [2023-12-16 06:29:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:29:14,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:14,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:14,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 06:29:14,453 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:14,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:14,453 INFO L85 PathProgramCache]: Analyzing trace with hash 890270973, now seen corresponding path program 1 times [2023-12-16 06:29:14,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:14,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444490510] [2023-12-16 06:29:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:14,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:14,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444490510] [2023-12-16 06:29:14,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444490510] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:14,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:14,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:29:14,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829461036] [2023-12-16 06:29:14,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:14,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:29:14,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:14,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:29:14,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:29:14,553 INFO L87 Difference]: Start difference. First operand 8590 states and 12621 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:14,650 INFO L93 Difference]: Finished difference Result 17136 states and 25198 transitions. [2023-12-16 06:29:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:29:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-12-16 06:29:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:14,663 INFO L225 Difference]: With dead ends: 17136 [2023-12-16 06:29:14,663 INFO L226 Difference]: Without dead ends: 8590 [2023-12-16 06:29:14,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:29:14,675 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 369 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:14,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 123 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2023-12-16 06:29:14,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 8590. [2023-12-16 06:29:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8590 states, 8589 states have (on average 1.4582605658400278) internal successors, (12525), 8589 states have internal predecessors, (12525), 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) [2023-12-16 06:29:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8590 states to 8590 states and 12525 transitions. [2023-12-16 06:29:14,817 INFO L78 Accepts]: Start accepts. Automaton has 8590 states and 12525 transitions. Word has length 80 [2023-12-16 06:29:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:14,817 INFO L495 AbstractCegarLoop]: Abstraction has 8590 states and 12525 transitions. [2023-12-16 06:29:14,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8590 states and 12525 transitions. [2023-12-16 06:29:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:29:14,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:14,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:14,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 06:29:14,818 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:14,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:14,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1018356280, now seen corresponding path program 1 times [2023-12-16 06:29:14,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:14,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908046345] [2023-12-16 06:29:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:14,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908046345] [2023-12-16 06:29:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908046345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:14,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:14,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:29:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365056021] [2023-12-16 06:29:14,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:14,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:29:14,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:14,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:29:14,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:29:14,895 INFO L87 Difference]: Start difference. First operand 8590 states and 12525 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:14,984 INFO L93 Difference]: Finished difference Result 17136 states and 25006 transitions. [2023-12-16 06:29:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:29:14,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-12-16 06:29:14,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:14,997 INFO L225 Difference]: With dead ends: 17136 [2023-12-16 06:29:14,997 INFO L226 Difference]: Without dead ends: 8590 [2023-12-16 06:29:15,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:29:15,008 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 392 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:15,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 107 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2023-12-16 06:29:15,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 8590. [2023-12-16 06:29:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8590 states, 8589 states have (on average 1.44708347886832) internal successors, (12429), 8589 states have internal predecessors, (12429), 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) [2023-12-16 06:29:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8590 states to 8590 states and 12429 transitions. [2023-12-16 06:29:15,113 INFO L78 Accepts]: Start accepts. Automaton has 8590 states and 12429 transitions. Word has length 80 [2023-12-16 06:29:15,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:15,113 INFO L495 AbstractCegarLoop]: Abstraction has 8590 states and 12429 transitions. [2023-12-16 06:29:15,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-12-16 06:29:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8590 states and 12429 transitions. [2023-12-16 06:29:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:29:15,114 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:15,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:15,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 06:29:15,114 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:15,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1386627507, now seen corresponding path program 1 times [2023-12-16 06:29:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31946989] [2023-12-16 06:29:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:15,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31946989] [2023-12-16 06:29:15,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31946989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:15,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:15,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 06:29:15,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654476116] [2023-12-16 06:29:15,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:15,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:29:15,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:15,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:29:15,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:29:15,287 INFO L87 Difference]: Start difference. First operand 8590 states and 12429 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2023-12-16 06:29:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:15,340 INFO L93 Difference]: Finished difference Result 15484 states and 22340 transitions. [2023-12-16 06:29:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 06:29:15,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2023-12-16 06:29:15,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:15,364 INFO L225 Difference]: With dead ends: 15484 [2023-12-16 06:29:15,364 INFO L226 Difference]: Without dead ends: 15482 [2023-12-16 06:29:15,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 06:29:15,371 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 204 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:15,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:15,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15482 states. [2023-12-16 06:29:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15482 to 8846. [2023-12-16 06:29:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8846 states, 8845 states have (on average 1.4305257207461843) internal successors, (12653), 8845 states have internal predecessors, (12653), 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) [2023-12-16 06:29:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 12653 transitions. [2023-12-16 06:29:15,518 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 12653 transitions. Word has length 80 [2023-12-16 06:29:15,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:15,518 INFO L495 AbstractCegarLoop]: Abstraction has 8846 states and 12653 transitions. [2023-12-16 06:29:15,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2023-12-16 06:29:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 12653 transitions. [2023-12-16 06:29:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 06:29:15,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:15,522 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:15,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 06:29:15,523 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:15,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash 547687804, now seen corresponding path program 1 times [2023-12-16 06:29:15,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:15,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276077358] [2023-12-16 06:29:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-16 06:29:15,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:15,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276077358] [2023-12-16 06:29:15,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276077358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:15,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:15,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:15,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883585537] [2023-12-16 06:29:15,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:15,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:15,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:15,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:15,672 INFO L87 Difference]: Start difference. First operand 8846 states and 12653 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 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) [2023-12-16 06:29:15,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:15,906 INFO L93 Difference]: Finished difference Result 63292 states and 90580 transitions. [2023-12-16 06:29:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:15,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 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 111 [2023-12-16 06:29:15,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:16,006 INFO L225 Difference]: With dead ends: 63292 [2023-12-16 06:29:16,007 INFO L226 Difference]: Without dead ends: 54490 [2023-12-16 06:29:16,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:29:16,032 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1549 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:16,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 1129 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:16,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54490 states. [2023-12-16 06:29:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54490 to 17646. [2023-12-16 06:29:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17646 states, 17645 states have (on average 1.4261830546897138) internal successors, (25165), 17645 states have internal predecessors, (25165), 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) [2023-12-16 06:29:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17646 states to 17646 states and 25165 transitions. [2023-12-16 06:29:16,557 INFO L78 Accepts]: Start accepts. Automaton has 17646 states and 25165 transitions. Word has length 111 [2023-12-16 06:29:16,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:16,557 INFO L495 AbstractCegarLoop]: Abstraction has 17646 states and 25165 transitions. [2023-12-16 06:29:16,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 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) [2023-12-16 06:29:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 17646 states and 25165 transitions. [2023-12-16 06:29:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 06:29:16,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:16,562 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:16,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 06:29:16,562 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:16,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1176854258, now seen corresponding path program 1 times [2023-12-16 06:29:16,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:16,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137063168] [2023-12-16 06:29:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 06:29:16,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:16,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137063168] [2023-12-16 06:29:16,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137063168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:16,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:16,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:16,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469708022] [2023-12-16 06:29:16,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:16,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:16,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:16,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:16,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:16,735 INFO L87 Difference]: Start difference. First operand 17646 states and 25165 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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) [2023-12-16 06:29:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:17,184 INFO L93 Difference]: Finished difference Result 72092 states and 103092 transitions. [2023-12-16 06:29:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:17,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 111 [2023-12-16 06:29:17,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:17,368 INFO L225 Difference]: With dead ends: 72092 [2023-12-16 06:29:17,369 INFO L226 Difference]: Without dead ends: 63290 [2023-12-16 06:29:17,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:29:17,425 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1438 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:17,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 1194 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63290 states. [2023-12-16 06:29:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63290 to 30862. [2023-12-16 06:29:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30862 states, 30861 states have (on average 1.420984413985289) internal successors, (43853), 30861 states have internal predecessors, (43853), 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) [2023-12-16 06:29:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30862 states to 30862 states and 43853 transitions. [2023-12-16 06:29:18,614 INFO L78 Accepts]: Start accepts. Automaton has 30862 states and 43853 transitions. Word has length 111 [2023-12-16 06:29:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:18,614 INFO L495 AbstractCegarLoop]: Abstraction has 30862 states and 43853 transitions. [2023-12-16 06:29:18,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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) [2023-12-16 06:29:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 30862 states and 43853 transitions. [2023-12-16 06:29:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 06:29:18,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:18,619 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:18,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 06:29:18,620 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:18,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash -22908152, now seen corresponding path program 1 times [2023-12-16 06:29:18,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:18,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23546153] [2023-12-16 06:29:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:18,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-16 06:29:18,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23546153] [2023-12-16 06:29:18,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23546153] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:18,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:18,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409842250] [2023-12-16 06:29:18,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:18,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:18,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:18,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:18,883 INFO L87 Difference]: Start difference. First operand 30862 states and 43853 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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) [2023-12-16 06:29:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:19,193 INFO L93 Difference]: Finished difference Result 80892 states and 115604 transitions. [2023-12-16 06:29:19,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:19,194 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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 111 [2023-12-16 06:29:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:19,284 INFO L225 Difference]: With dead ends: 80892 [2023-12-16 06:29:19,284 INFO L226 Difference]: Without dead ends: 72090 [2023-12-16 06:29:19,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:29:19,312 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1272 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:19,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 1250 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:19,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72090 states. [2023-12-16 06:29:20,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72090 to 39662. [2023-12-16 06:29:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39662 states, 39661 states have (on average 1.4211694107561585) internal successors, (56365), 39661 states have internal predecessors, (56365), 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) [2023-12-16 06:29:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39662 states to 39662 states and 56365 transitions. [2023-12-16 06:29:20,213 INFO L78 Accepts]: Start accepts. Automaton has 39662 states and 56365 transitions. Word has length 111 [2023-12-16 06:29:20,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:20,214 INFO L495 AbstractCegarLoop]: Abstraction has 39662 states and 56365 transitions. [2023-12-16 06:29:20,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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) [2023-12-16 06:29:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 39662 states and 56365 transitions. [2023-12-16 06:29:20,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 06:29:20,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:20,232 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:20,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 06:29:20,232 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:20,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:20,232 INFO L85 PathProgramCache]: Analyzing trace with hash -880808830, now seen corresponding path program 1 times [2023-12-16 06:29:20,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:20,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333983664] [2023-12-16 06:29:20,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:20,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 06:29:20,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:20,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333983664] [2023-12-16 06:29:20,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333983664] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:20,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:20,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:20,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159455707] [2023-12-16 06:29:20,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:20,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:20,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:20,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:20,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:20,493 INFO L87 Difference]: Start difference. First operand 39662 states and 56365 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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) [2023-12-16 06:29:20,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:20,941 INFO L93 Difference]: Finished difference Result 89692 states and 128116 transitions. [2023-12-16 06:29:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:20,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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 111 [2023-12-16 06:29:20,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:21,037 INFO L225 Difference]: With dead ends: 89692 [2023-12-16 06:29:21,037 INFO L226 Difference]: Without dead ends: 80890 [2023-12-16 06:29:21,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:29:21,060 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 1269 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:21,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 1328 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:21,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80890 states. [2023-12-16 06:29:21,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80890 to 48462. [2023-12-16 06:29:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48462 states, 48461 states have (on average 1.421287220651658) internal successors, (68877), 48461 states have internal predecessors, (68877), 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) [2023-12-16 06:29:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48462 states to 48462 states and 68877 transitions. [2023-12-16 06:29:21,803 INFO L78 Accepts]: Start accepts. Automaton has 48462 states and 68877 transitions. Word has length 111 [2023-12-16 06:29:21,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:21,803 INFO L495 AbstractCegarLoop]: Abstraction has 48462 states and 68877 transitions. [2023-12-16 06:29:21,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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) [2023-12-16 06:29:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 48462 states and 68877 transitions. [2023-12-16 06:29:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 06:29:21,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:21,808 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:21,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 06:29:21,808 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:21,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1771842058, now seen corresponding path program 1 times [2023-12-16 06:29:21,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:21,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676918349] [2023-12-16 06:29:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:21,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 06:29:22,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:22,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676918349] [2023-12-16 06:29:22,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676918349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:22,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:22,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613145552] [2023-12-16 06:29:22,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:22,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:22,120 INFO L87 Difference]: Start difference. First operand 48462 states and 68877 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2023-12-16 06:29:22,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:22,761 INFO L93 Difference]: Finished difference Result 98492 states and 140628 transitions. [2023-12-16 06:29:22,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:22,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 111 [2023-12-16 06:29:22,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:22,873 INFO L225 Difference]: With dead ends: 98492 [2023-12-16 06:29:22,873 INFO L226 Difference]: Without dead ends: 89690 [2023-12-16 06:29:22,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:29:23,060 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 1373 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:23,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 1438 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89690 states. [2023-12-16 06:29:23,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89690 to 57262. [2023-12-16 06:29:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57262 states, 57261 states have (on average 1.421368819964723) internal successors, (81389), 57261 states have internal predecessors, (81389), 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) [2023-12-16 06:29:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57262 states to 57262 states and 81389 transitions. [2023-12-16 06:29:23,939 INFO L78 Accepts]: Start accepts. Automaton has 57262 states and 81389 transitions. Word has length 111 [2023-12-16 06:29:23,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:23,939 INFO L495 AbstractCegarLoop]: Abstraction has 57262 states and 81389 transitions. [2023-12-16 06:29:23,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2023-12-16 06:29:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 57262 states and 81389 transitions. [2023-12-16 06:29:23,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-16 06:29:23,945 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:23,945 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:23,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 06:29:23,945 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:23,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:23,946 INFO L85 PathProgramCache]: Analyzing trace with hash -721790003, now seen corresponding path program 1 times [2023-12-16 06:29:23,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:23,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642706705] [2023-12-16 06:29:23,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:23,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 06:29:24,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642706705] [2023-12-16 06:29:24,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642706705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:24,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:24,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 06:29:24,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362296540] [2023-12-16 06:29:24,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:24,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:29:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:24,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:29:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:29:24,101 INFO L87 Difference]: Start difference. First operand 57262 states and 81389 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2023-12-16 06:29:24,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:24,589 INFO L93 Difference]: Finished difference Result 101724 states and 145332 transitions. [2023-12-16 06:29:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:29:24,589 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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 112 [2023-12-16 06:29:24,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:24,713 INFO L225 Difference]: With dead ends: 101724 [2023-12-16 06:29:24,713 INFO L226 Difference]: Without dead ends: 95706 [2023-12-16 06:29:24,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:29:24,747 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1368 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:24,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1332 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:29:24,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95706 states. [2023-12-16 06:29:25,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95706 to 63278. [2023-12-16 06:29:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63278 states, 63277 states have (on average 1.422776048169161) internal successors, (90029), 63277 states have internal predecessors, (90029), 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) [2023-12-16 06:29:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63278 states to 63278 states and 90029 transitions. [2023-12-16 06:29:25,777 INFO L78 Accepts]: Start accepts. Automaton has 63278 states and 90029 transitions. Word has length 112 [2023-12-16 06:29:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:25,778 INFO L495 AbstractCegarLoop]: Abstraction has 63278 states and 90029 transitions. [2023-12-16 06:29:25,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2023-12-16 06:29:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 63278 states and 90029 transitions. [2023-12-16 06:29:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 06:29:25,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:25,784 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:25,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 06:29:25,784 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:25,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:25,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1311967558, now seen corresponding path program 1 times [2023-12-16 06:29:25,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:25,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918784259] [2023-12-16 06:29:25,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:25,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:26,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:26,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918784259] [2023-12-16 06:29:26,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918784259] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 06:29:26,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620732271] [2023-12-16 06:29:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:26,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 06:29:26,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:29:26,396 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) [2023-12-16 06:29:26,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 06:29:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:26,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 06:29:26,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 06:29:26,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 06:29:26,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 06:29:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 06:29:26,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620732271] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 06:29:26,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 06:29:26,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 17 [2023-12-16 06:29:26,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153342318] [2023-12-16 06:29:26,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 06:29:26,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-16 06:29:26,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:26,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-16 06:29:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:29:26,863 INFO L87 Difference]: Start difference. First operand 63278 states and 90029 transitions. Second operand has 17 states, 17 states have (on average 19.176470588235293) internal successors, (326), 17 states have internal predecessors, (326), 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) [2023-12-16 06:29:39,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:39,273 INFO L93 Difference]: Finished difference Result 1150578 states and 1611551 transitions. [2023-12-16 06:29:39,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2023-12-16 06:29:39,274 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 19.176470588235293) internal successors, (326), 17 states have internal predecessors, (326), 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 113 [2023-12-16 06:29:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:41,618 INFO L225 Difference]: With dead ends: 1150578 [2023-12-16 06:29:41,618 INFO L226 Difference]: Without dead ends: 1087344 [2023-12-16 06:29:42,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29340 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=8236, Invalid=53516, Unknown=0, NotChecked=0, Total=61752 [2023-12-16 06:29:42,177 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 10895 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 3175 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10895 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 3286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:42,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10895 Valid, 2669 Invalid, 3286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3175 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 06:29:42,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087344 states. [2023-12-16 06:29:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087344 to 441046. [2023-12-16 06:29:51,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441046 states, 441045 states have (on average 1.3952249770431588) internal successors, (615357), 441045 states have internal predecessors, (615357), 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) [2023-12-16 06:29:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441046 states to 441046 states and 615357 transitions. [2023-12-16 06:29:52,825 INFO L78 Accepts]: Start accepts. Automaton has 441046 states and 615357 transitions. Word has length 113 [2023-12-16 06:29:52,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:52,825 INFO L495 AbstractCegarLoop]: Abstraction has 441046 states and 615357 transitions. [2023-12-16 06:29:52,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.176470588235293) internal successors, (326), 17 states have internal predecessors, (326), 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) [2023-12-16 06:29:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 441046 states and 615357 transitions. [2023-12-16 06:29:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 06:29:52,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:52,834 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:29:52,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 06:29:53,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-12-16 06:29:53,040 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:29:53,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash -350314400, now seen corresponding path program 1 times [2023-12-16 06:29:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:53,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29782594] [2023-12-16 06:29:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:53,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:53,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29782594] [2023-12-16 06:29:53,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29782594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:53,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:53,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:29:53,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851693770] [2023-12-16 06:29:53,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:53,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:29:53,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:53,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:29:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:29:53,172 INFO L87 Difference]: Start difference. First operand 441046 states and 615357 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2023-12-16 06:29:55,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:55,821 INFO L93 Difference]: Finished difference Result 780530 states and 1088408 transitions. [2023-12-16 06:29:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:29:55,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 113 [2023-12-16 06:29:55,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:56,464 INFO L225 Difference]: With dead ends: 780530 [2023-12-16 06:29:56,465 INFO L226 Difference]: Without dead ends: 339528 [2023-12-16 06:29:56,999 INFO L412 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 [2023-12-16 06:29:57,001 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 69 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:57,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 336 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:29:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339528 states. [2023-12-16 06:30:00,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339528 to 339526. [2023-12-16 06:30:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339526 states, 339525 states have (on average 1.3808585523893675) internal successors, (468836), 339525 states have internal predecessors, (468836), 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) [2023-12-16 06:30:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339526 states to 339526 states and 468836 transitions. [2023-12-16 06:30:02,274 INFO L78 Accepts]: Start accepts. Automaton has 339526 states and 468836 transitions. Word has length 113 [2023-12-16 06:30:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:30:02,274 INFO L495 AbstractCegarLoop]: Abstraction has 339526 states and 468836 transitions. [2023-12-16 06:30:02,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2023-12-16 06:30:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 339526 states and 468836 transitions. [2023-12-16 06:30:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-16 06:30:02,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:30:02,279 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-16 06:30:02,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 06:30:02,280 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 06:30:02,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:30:02,280 INFO L85 PathProgramCache]: Analyzing trace with hash -547774863, now seen corresponding path program 1 times [2023-12-16 06:30:02,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:30:02,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909543874] [2023-12-16 06:30:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:02,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:30:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:03,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:30:03,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909543874] [2023-12-16 06:30:03,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909543874] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 06:30:03,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655427643] [2023-12-16 06:30:03,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:30:03,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 06:30:03,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:30:03,466 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) [2023-12-16 06:30:03,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 06:30:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:30:03,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 06:30:03,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 06:30:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:04,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 06:30:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:30:04,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655427643] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 06:30:04,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 06:30:04,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 24 [2023-12-16 06:30:04,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982483616] [2023-12-16 06:30:04,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 06:30:04,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-16 06:30:04,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:30:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-16 06:30:04,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2023-12-16 06:30:04,809 INFO L87 Difference]: Start difference. First operand 339526 states and 468836 transitions. Second operand has 25 states, 25 states have (on average 12.32) internal successors, (308), 24 states have internal predecessors, (308), 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) Received shutdown request... [2023-12-16 06:30:06,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-16 06:30:06,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=795, Invalid=2397, Unknown=0, NotChecked=0, Total=3192 [2023-12-16 06:30:06,075 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 2479 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:30:06,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 1178 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:30:06,076 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 06:30:06,078 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 06:30:06,077 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 06:30:06,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-16 06:30:06,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-12-16 06:30:06,292 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (339526states) and FLOYD_HOARE automaton (currently 35 states, 25 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-9-1 context. [2023-12-16 06:30:06,295 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:30:06,297 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 06:30:06,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:30:06 BoogieIcfgContainer [2023-12-16 06:30:06,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 06:30:06,299 INFO L158 Benchmark]: Toolchain (without parser) took 57115.46ms. Allocated memory was 234.9MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 182.6MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-12-16 06:30:06,299 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 179.3MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 06:30:06,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.75ms. Allocated memory is still 234.9MB. Free memory was 182.6MB in the beginning and 163.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 06:30:06,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.97ms. Allocated memory is still 234.9MB. Free memory was 163.7MB in the beginning and 160.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 06:30:06,299 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 234.9MB. Free memory was 160.6MB in the beginning and 157.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 06:30:06,299 INFO L158 Benchmark]: RCFGBuilder took 632.57ms. Allocated memory is still 234.9MB. Free memory was 157.4MB in the beginning and 187.8MB in the end (delta: -30.4MB). Peak memory consumption was 26.1MB. Max. memory is 8.0GB. [2023-12-16 06:30:06,300 INFO L158 Benchmark]: TraceAbstraction took 56025.09ms. Allocated memory was 234.9MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 187.3MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-12-16 06:30:06,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 179.3MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 370.75ms. Allocated memory is still 234.9MB. Free memory was 182.6MB in the beginning and 163.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.97ms. Allocated memory is still 234.9MB. Free memory was 163.7MB in the beginning and 160.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.67ms. Allocated memory is still 234.9MB. Free memory was 160.6MB in the beginning and 157.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 632.57ms. Allocated memory is still 234.9MB. Free memory was 157.4MB in the beginning and 187.8MB in the end (delta: -30.4MB). Peak memory consumption was 26.1MB. Max. memory is 8.0GB. * TraceAbstraction took 56025.09ms. Allocated memory was 234.9MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 187.3MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 342]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 342). Cancelled while NwaCegarLoop was constructing difference of abstraction (339526states) and FLOYD_HOARE automaton (currently 35 states, 25 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-10-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-9-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.0s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26314 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26314 mSDsluCounter, 19019 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14376 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5621 IncrementalHoareTripleChecker+Invalid, 5770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 4643 mSDtfsCounter, 5621 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 425 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30100 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=441046occurred in iteration=21, InterpolantAutomatonStates: 354, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 22.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 868022 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2319 NumberOfCodeBlocks, 2319 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2519 ConstructedInterpolants, 0 QuantifiedInterpolants, 16988 SizeOfPredicates, 7 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 168/232 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2023-12-16 06:30:06,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 !ENTRY org.eclipse.osgi 4 0 2023-12-16 06:30:06.534 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de80e157/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de80e157/.metadata/.log.