/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/eca-rers2012/Problem13_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:57:23,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:57:23,451 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 01:57:23,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:57:23,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:57:23,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:57:23,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:57:23,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:57:23,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:57:23,481 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:57:23,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:57:23,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:57:23,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:57:23,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:57:23,483 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:57:23,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:57:23,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:57:23,483 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:57:23,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:57:23,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:57:23,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:57:23,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:57:23,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:57:23,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:57:23,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:57:23,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:57:23,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:57:23,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:57:23,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:57:23,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:57:23,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:57:23,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:57:23,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:57:23,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:57:23,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:57:23,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:57:23,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:57:23,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:57:23,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:57:23,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:57:23,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:57:23,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:57:23,699 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:57:23,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label08.c [2023-12-16 01:57:24,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:57:25,048 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:57:25,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label08.c [2023-12-16 01:57:25,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0659c5c90/622e4461945347a8962f8b872e782cef/FLAGb4e765180 [2023-12-16 01:57:25,089 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0659c5c90/622e4461945347a8962f8b872e782cef [2023-12-16 01:57:25,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:57:25,092 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:57:25,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:57:25,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:57:25,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:57:25,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:57:25" (1/1) ... [2023-12-16 01:57:25,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348946aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:25, skipping insertion in model container [2023-12-16 01:57:25,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:57:25" (1/1) ... [2023-12-16 01:57:25,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:57:25,412 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label08.c[7141,7154] [2023-12-16 01:57:26,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:57:26,026 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:57:26,046 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label08.c[7141,7154] [2023-12-16 01:57:26,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:57:26,453 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:57:26,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26 WrapperNode [2023-12-16 01:57:26,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:57:26,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:57:26,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:57:26,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:57:26,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:26,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:26,794 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5587 [2023-12-16 01:57:26,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:57:26,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:57:26,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:57:26,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:57:26,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:26,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,157 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 01:57:27,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:57:27,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:57:27,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:57:27,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:57:27,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (1/1) ... [2023-12-16 01:57:27,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:57:27,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:57:27,548 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 01:57:27,557 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 01:57:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:57:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:57:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:57:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:57:27,628 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:57:27,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:57:31,461 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:57:31,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:57:31,512 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 01:57:31,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:57:31 BoogieIcfgContainer [2023-12-16 01:57:31,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:57:31,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:57:31,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:57:31,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:57:31,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:57:25" (1/3) ... [2023-12-16 01:57:31,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4564a035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:57:31, skipping insertion in model container [2023-12-16 01:57:31,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:57:26" (2/3) ... [2023-12-16 01:57:31,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4564a035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:57:31, skipping insertion in model container [2023-12-16 01:57:31,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:57:31" (3/3) ... [2023-12-16 01:57:31,519 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label08.c [2023-12-16 01:57:31,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:57:31,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 01:57:31,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:57:31,597 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;@2174d66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:57:31,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 01:57:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 1036 states, 1034 states have (on average 1.877176015473888) internal successors, (1941), 1035 states have internal predecessors, (1941), 0 states have call successors, (0), 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 01:57:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-16 01:57:31,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:31,691 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] [2023-12-16 01:57:31,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:31,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:31,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1688589107, now seen corresponding path program 1 times [2023-12-16 01:57:31,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:31,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107672786] [2023-12-16 01:57:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:31,989 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 01:57:31,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:31,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107672786] [2023-12-16 01:57:31,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107672786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:31,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:31,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:57:31,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465396405] [2023-12-16 01:57:31,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:32,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 01:57:32,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:32,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 01:57:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:57:32,067 INFO L87 Difference]: Start difference. First operand has 1036 states, 1034 states have (on average 1.877176015473888) internal successors, (1941), 1035 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 01:57:32,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:32,151 INFO L93 Difference]: Finished difference Result 2071 states and 3881 transitions. [2023-12-16 01:57:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 01:57:32,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2023-12-16 01:57:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:32,187 INFO L225 Difference]: With dead ends: 2071 [2023-12-16 01:57:32,187 INFO L226 Difference]: Without dead ends: 1034 [2023-12-16 01:57:32,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:57:32,195 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:32,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:57:32,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2023-12-16 01:57:32,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2023-12-16 01:57:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1033 states have (on average 1.8160696999031947) internal successors, (1876), 1033 states have internal predecessors, (1876), 0 states have call successors, (0), 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 01:57:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1876 transitions. [2023-12-16 01:57:32,264 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1876 transitions. Word has length 49 [2023-12-16 01:57:32,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:32,264 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1876 transitions. [2023-12-16 01:57:32,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 01:57:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1876 transitions. [2023-12-16 01:57:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-16 01:57:32,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:32,265 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] [2023-12-16 01:57:32,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:57:32,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:32,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash -529584509, now seen corresponding path program 1 times [2023-12-16 01:57:32,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:32,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042432155] [2023-12-16 01:57:32,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:32,379 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 01:57:32,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:32,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042432155] [2023-12-16 01:57:32,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042432155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:32,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:32,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:57:32,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575956596] [2023-12-16 01:57:32,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:32,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:57:32,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:32,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:57:32,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:32,382 INFO L87 Difference]: Start difference. First operand 1034 states and 1876 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 01:57:35,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:35,923 INFO L93 Difference]: Finished difference Result 2905 states and 5325 transitions. [2023-12-16 01:57:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:57:35,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2023-12-16 01:57:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:35,930 INFO L225 Difference]: With dead ends: 2905 [2023-12-16 01:57:35,930 INFO L226 Difference]: Without dead ends: 1872 [2023-12-16 01:57:35,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:35,932 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 839 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:35,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1090 Invalid, 3244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-16 01:57:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2023-12-16 01:57:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1858. [2023-12-16 01:57:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1857 states have (on average 1.5444264943457189) internal successors, (2868), 1857 states have internal predecessors, (2868), 0 states have call successors, (0), 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 01:57:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2868 transitions. [2023-12-16 01:57:35,979 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2868 transitions. Word has length 49 [2023-12-16 01:57:35,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:35,980 INFO L495 AbstractCegarLoop]: Abstraction has 1858 states and 2868 transitions. [2023-12-16 01:57:35,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 01:57:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2868 transitions. [2023-12-16 01:57:35,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-16 01:57:35,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:35,987 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 01:57:35,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:57:35,987 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:35,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1478142894, now seen corresponding path program 1 times [2023-12-16 01:57:35,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:35,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241201168] [2023-12-16 01:57:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:57:36,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:36,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241201168] [2023-12-16 01:57:36,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241201168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:36,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:36,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:57:36,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448621996] [2023-12-16 01:57:36,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:36,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:57:36,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:36,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:57:36,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:36,233 INFO L87 Difference]: Start difference. First operand 1858 states and 2868 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 01:57:39,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:39,332 INFO L93 Difference]: Finished difference Result 5316 states and 8228 transitions. [2023-12-16 01:57:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:57:39,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-16 01:57:39,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:39,343 INFO L225 Difference]: With dead ends: 5316 [2023-12-16 01:57:39,343 INFO L226 Difference]: Without dead ends: 3459 [2023-12-16 01:57:39,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:39,351 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 826 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 2403 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 2403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:39,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 1190 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 2403 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-16 01:57:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2023-12-16 01:57:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 3458. [2023-12-16 01:57:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 3457 states have (on average 1.380676887474689) internal successors, (4773), 3457 states have internal predecessors, (4773), 0 states have call successors, (0), 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 01:57:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 4773 transitions. [2023-12-16 01:57:39,417 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 4773 transitions. Word has length 121 [2023-12-16 01:57:39,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:39,418 INFO L495 AbstractCegarLoop]: Abstraction has 3458 states and 4773 transitions. [2023-12-16 01:57:39,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 01:57:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 4773 transitions. [2023-12-16 01:57:39,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-16 01:57:39,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:39,419 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:39,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 01:57:39,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:39,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1629037349, now seen corresponding path program 1 times [2023-12-16 01:57:39,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:39,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756607376] [2023-12-16 01:57:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:39,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:57:39,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:39,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756607376] [2023-12-16 01:57:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756607376] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:39,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:39,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:57:39,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801732513] [2023-12-16 01:57:39,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:39,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:57:39,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:39,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:57:39,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:57:39,745 INFO L87 Difference]: Start difference. First operand 3458 states and 4773 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 01:57:43,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:43,873 INFO L93 Difference]: Finished difference Result 10869 states and 14767 transitions. [2023-12-16 01:57:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:57:43,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2023-12-16 01:57:43,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:43,893 INFO L225 Difference]: With dead ends: 10869 [2023-12-16 01:57:43,893 INFO L226 Difference]: Without dead ends: 7412 [2023-12-16 01:57:43,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 01:57:43,899 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 2581 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 4118 mSolverCounterSat, 831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 4949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 4118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:43,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 1001 Invalid, 4949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [831 Valid, 4118 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-16 01:57:43,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7412 states. [2023-12-16 01:57:43,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7412 to 7411. [2023-12-16 01:57:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 7410 states have (on average 1.269905533063428) internal successors, (9410), 7410 states have internal predecessors, (9410), 0 states have call successors, (0), 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 01:57:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 9410 transitions. [2023-12-16 01:57:43,994 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 9410 transitions. Word has length 135 [2023-12-16 01:57:43,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:43,994 INFO L495 AbstractCegarLoop]: Abstraction has 7411 states and 9410 transitions. [2023-12-16 01:57:43,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 01:57:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 9410 transitions. [2023-12-16 01:57:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-12-16 01:57:43,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:43,997 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:57:43,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 01:57:43,997 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:43,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:43,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1272045289, now seen corresponding path program 1 times [2023-12-16 01:57:43,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:43,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559605264] [2023-12-16 01:57:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:43,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-16 01:57:44,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:44,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559605264] [2023-12-16 01:57:44,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559605264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:44,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:44,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:57:44,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808242321] [2023-12-16 01:57:44,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:44,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:57:44,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:44,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:57:44,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:44,186 INFO L87 Difference]: Start difference. First operand 7411 states and 9410 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 01:57:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:47,269 INFO L93 Difference]: Finished difference Result 20354 states and 26250 transitions. [2023-12-16 01:57:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:57:47,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 216 [2023-12-16 01:57:47,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:47,325 INFO L225 Difference]: With dead ends: 20354 [2023-12-16 01:57:47,325 INFO L226 Difference]: Without dead ends: 13731 [2023-12-16 01:57:47,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:47,338 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 888 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 748 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 748 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:47,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 976 Invalid, 3324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [748 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-16 01:57:47,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13731 states. [2023-12-16 01:57:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13731 to 12936. [2023-12-16 01:57:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12936 states, 12935 states have (on average 1.2152299961345188) internal successors, (15719), 12935 states have internal predecessors, (15719), 0 states have call successors, (0), 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 01:57:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12936 states to 12936 states and 15719 transitions. [2023-12-16 01:57:47,617 INFO L78 Accepts]: Start accepts. Automaton has 12936 states and 15719 transitions. Word has length 216 [2023-12-16 01:57:47,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:47,617 INFO L495 AbstractCegarLoop]: Abstraction has 12936 states and 15719 transitions. [2023-12-16 01:57:47,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 01:57:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 12936 states and 15719 transitions. [2023-12-16 01:57:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-12-16 01:57:47,620 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:47,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:57:47,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 01:57:47,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:47,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:47,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1801388135, now seen corresponding path program 1 times [2023-12-16 01:57:47,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:47,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822447631] [2023-12-16 01:57:47,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:47,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:57:47,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:47,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822447631] [2023-12-16 01:57:47,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822447631] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:47,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:47,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:57:47,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642267992] [2023-12-16 01:57:47,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:47,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:57:47,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:47,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:57:47,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:47,775 INFO L87 Difference]: Start difference. First operand 12936 states and 15719 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:57:50,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:50,706 INFO L93 Difference]: Finished difference Result 31391 states and 39118 transitions. [2023-12-16 01:57:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:57:50,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2023-12-16 01:57:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:50,743 INFO L225 Difference]: With dead ends: 31391 [2023-12-16 01:57:50,744 INFO L226 Difference]: Without dead ends: 19243 [2023-12-16 01:57:50,760 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 01:57:50,761 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 857 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 3296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:50,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 924 Invalid, 3296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 01:57:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19243 states. [2023-12-16 01:57:50,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19243 to 18446. [2023-12-16 01:57:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18446 states, 18445 states have (on average 1.20243968555164) internal successors, (22179), 18445 states have internal predecessors, (22179), 0 states have call successors, (0), 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 01:57:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18446 states to 18446 states and 22179 transitions. [2023-12-16 01:57:50,970 INFO L78 Accepts]: Start accepts. Automaton has 18446 states and 22179 transitions. Word has length 248 [2023-12-16 01:57:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:50,971 INFO L495 AbstractCegarLoop]: Abstraction has 18446 states and 22179 transitions. [2023-12-16 01:57:50,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:57:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 18446 states and 22179 transitions. [2023-12-16 01:57:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-16 01:57:50,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:50,976 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:57:50,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 01:57:50,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:50,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:50,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1845179745, now seen corresponding path program 1 times [2023-12-16 01:57:50,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:50,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340621485] [2023-12-16 01:57:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:50,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-12-16 01:57:51,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:51,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340621485] [2023-12-16 01:57:51,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340621485] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:51,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:51,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:57:51,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343534050] [2023-12-16 01:57:51,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:51,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:57:51,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:51,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:57:51,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:57:51,152 INFO L87 Difference]: Start difference. First operand 18446 states and 22179 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 01:57:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:57:54,406 INFO L93 Difference]: Finished difference Result 42411 states and 52036 transitions. [2023-12-16 01:57:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:57:54,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 337 [2023-12-16 01:57:54,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:57:54,444 INFO L225 Difference]: With dead ends: 42411 [2023-12-16 01:57:54,444 INFO L226 Difference]: Without dead ends: 24753 [2023-12-16 01:57:54,463 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 01:57:54,465 INFO L413 NwaCegarLoop]: 1794 mSDtfsCounter, 820 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 3266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-16 01:57:54,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1944 Invalid, 3266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [723 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-16 01:57:54,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24753 states. [2023-12-16 01:57:54,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24753 to 23961. [2023-12-16 01:57:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23961 states, 23960 states have (on average 1.1787145242070116) internal successors, (28242), 23960 states have internal predecessors, (28242), 0 states have call successors, (0), 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 01:57:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23961 states to 23961 states and 28242 transitions. [2023-12-16 01:57:54,763 INFO L78 Accepts]: Start accepts. Automaton has 23961 states and 28242 transitions. Word has length 337 [2023-12-16 01:57:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:57:54,764 INFO L495 AbstractCegarLoop]: Abstraction has 23961 states and 28242 transitions. [2023-12-16 01:57:54,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 01:57:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 23961 states and 28242 transitions. [2023-12-16 01:57:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-12-16 01:57:54,769 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:57:54,770 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:57:54,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 01:57:54,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:57:54,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:57:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash -225610347, now seen corresponding path program 1 times [2023-12-16 01:57:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:57:54,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268722801] [2023-12-16 01:57:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:57:54,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:57:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:57:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-16 01:57:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:57:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268722801] [2023-12-16 01:57:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268722801] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:57:55,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:57:55,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:57:55,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291661012] [2023-12-16 01:57:55,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:57:55,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:57:55,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:57:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:57:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:57:55,042 INFO L87 Difference]: Start difference. First operand 23961 states and 28242 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 01:58:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:58:01,055 INFO L93 Difference]: Finished difference Result 89063 states and 105283 transitions. [2023-12-16 01:58:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:58:01,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 346 [2023-12-16 01:58:01,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:58:01,152 INFO L225 Difference]: With dead ends: 89063 [2023-12-16 01:58:01,152 INFO L226 Difference]: Without dead ends: 65890 [2023-12-16 01:58:01,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:58:01,186 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 1731 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 6613 mSolverCounterSat, 1140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 7753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1140 IncrementalHoareTripleChecker+Valid, 6613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:58:01,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 676 Invalid, 7753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1140 Valid, 6613 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-16 01:58:01,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65890 states. [2023-12-16 01:58:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65890 to 64188. [2023-12-16 01:58:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64188 states, 64187 states have (on average 1.1559350024148192) internal successors, (74196), 64187 states have internal predecessors, (74196), 0 states have call successors, (0), 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 01:58:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64188 states to 64188 states and 74196 transitions. [2023-12-16 01:58:02,020 INFO L78 Accepts]: Start accepts. Automaton has 64188 states and 74196 transitions. Word has length 346 [2023-12-16 01:58:02,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:58:02,021 INFO L495 AbstractCegarLoop]: Abstraction has 64188 states and 74196 transitions. [2023-12-16 01:58:02,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 01:58:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 64188 states and 74196 transitions. [2023-12-16 01:58:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-12-16 01:58:02,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:58:02,027 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 01:58:02,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 01:58:02,027 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:58:02,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:58:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash 846454498, now seen corresponding path program 1 times [2023-12-16 01:58:02,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:58:02,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273994218] [2023-12-16 01:58:02,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:58:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:58:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:58:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-12-16 01:58:02,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:58:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273994218] [2023-12-16 01:58:02,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273994218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:58:02,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:58:02,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:58:02,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035894965] [2023-12-16 01:58:02,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:58:02,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:58:02,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:58:02,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:58:02,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:58:02,265 INFO L87 Difference]: Start difference. First operand 64188 states and 74196 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:58:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:58:05,743 INFO L93 Difference]: Finished difference Result 140989 states and 162391 transitions. [2023-12-16 01:58:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:58:05,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 346 [2023-12-16 01:58:05,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:58:05,834 INFO L225 Difference]: With dead ends: 140989 [2023-12-16 01:58:05,835 INFO L226 Difference]: Without dead ends: 77589 [2023-12-16 01:58:05,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:58:05,874 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 728 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 2705 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-16 01:58:05,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 1196 Invalid, 2886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2705 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-16 01:58:05,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77589 states. [2023-12-16 01:58:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77589 to 76793. [2023-12-16 01:58:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76793 states, 76792 states have (on average 1.139571830399) internal successors, (87510), 76792 states have internal predecessors, (87510), 0 states have call successors, (0), 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 01:58:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76793 states to 76793 states and 87510 transitions. [2023-12-16 01:58:06,739 INFO L78 Accepts]: Start accepts. Automaton has 76793 states and 87510 transitions. Word has length 346 [2023-12-16 01:58:06,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:58:06,739 INFO L495 AbstractCegarLoop]: Abstraction has 76793 states and 87510 transitions. [2023-12-16 01:58:06,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 01:58:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 76793 states and 87510 transitions. [2023-12-16 01:58:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-12-16 01:58:06,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:58:06,747 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:58:06,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 01:58:06,747 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:58:06,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:58:06,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1099012010, now seen corresponding path program 1 times [2023-12-16 01:58:06,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:58:06,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842599499] [2023-12-16 01:58:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:58:06,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:58:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:58:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 264 proven. 113 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-16 01:58:07,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:58:07,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842599499] [2023-12-16 01:58:07,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842599499] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:58:07,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679949064] [2023-12-16 01:58:07,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:58:07,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:58:07,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:58:07,917 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 01:58:07,931 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 01:58:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:58:08,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 01:58:08,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:58:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-12-16 01:58:08,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 01:58:08,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679949064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:58:08,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 01:58:08,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2023-12-16 01:58:08,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405393251] [2023-12-16 01:58:08,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:58:08,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:58:08,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:58:08,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:58:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 01:58:08,201 INFO L87 Difference]: Start difference. First operand 76793 states and 87510 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 01:58:11,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:58:11,030 INFO L93 Difference]: Finished difference Result 152796 states and 174226 transitions. [2023-12-16 01:58:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:58:11,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 375 [2023-12-16 01:58:11,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:58:11,120 INFO L225 Difference]: With dead ends: 152796 [2023-12-16 01:58:11,120 INFO L226 Difference]: Without dead ends: 76791 [2023-12-16 01:58:11,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 01:58:11,168 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 1122 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 01:58:11,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 1440 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 01:58:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76791 states. [2023-12-16 01:58:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76791 to 76003. [2023-12-16 01:58:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76003 states, 76002 states have (on average 1.1082339938422674) internal successors, (84228), 76002 states have internal predecessors, (84228), 0 states have call successors, (0), 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 01:58:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76003 states to 76003 states and 84228 transitions. [2023-12-16 01:58:12,142 INFO L78 Accepts]: Start accepts. Automaton has 76003 states and 84228 transitions. Word has length 375 [2023-12-16 01:58:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:58:12,143 INFO L495 AbstractCegarLoop]: Abstraction has 76003 states and 84228 transitions. [2023-12-16 01:58:12,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 01:58:12,143 INFO L276 IsEmpty]: Start isEmpty. Operand 76003 states and 84228 transitions. [2023-12-16 01:58:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-12-16 01:58:12,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:58:12,152 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:58:12,160 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 01:58:12,356 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,SelfDestructingSolverStorable9 [2023-12-16 01:58:12,357 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:58:12,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:58:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1803533912, now seen corresponding path program 1 times [2023-12-16 01:58:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:58:12,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689953894] [2023-12-16 01:58:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:58:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:58:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:58:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 520 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-12-16 01:58:12,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:58:12,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689953894] [2023-12-16 01:58:12,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689953894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:58:12,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:58:12,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:58:12,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548013580] [2023-12-16 01:58:12,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:58:12,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:58:12,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:58:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:58:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:58:12,713 INFO L87 Difference]: Start difference. First operand 76003 states and 84228 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 01:58:16,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:58:16,208 INFO L93 Difference]: Finished difference Result 170116 states and 190567 transitions. [2023-12-16 01:58:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:58:16,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 405 [2023-12-16 01:58:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:58:16,323 INFO L225 Difference]: With dead ends: 170116 [2023-12-16 01:58:16,323 INFO L226 Difference]: Without dead ends: 94901 [2023-12-16 01:58:16,360 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 01:58:16,361 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 904 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 3360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:58:16,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 905 Invalid, 3360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-16 01:58:16,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94901 states. [2023-12-16 01:58:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94901 to 94883. [2023-12-16 01:58:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94883 states, 94882 states have (on average 1.1142366307624207) internal successors, (105721), 94882 states have internal predecessors, (105721), 0 states have call successors, (0), 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 01:58:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94883 states to 94883 states and 105721 transitions. [2023-12-16 01:58:17,535 INFO L78 Accepts]: Start accepts. Automaton has 94883 states and 105721 transitions. Word has length 405 [2023-12-16 01:58:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:58:17,536 INFO L495 AbstractCegarLoop]: Abstraction has 94883 states and 105721 transitions. [2023-12-16 01:58:17,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 01:58:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 94883 states and 105721 transitions. [2023-12-16 01:58:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2023-12-16 01:58:17,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:58:17,543 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:17,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 01:58:17,543 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:58:17,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:58:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1645148615, now seen corresponding path program 1 times [2023-12-16 01:58:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:58:17,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796459428] [2023-12-16 01:58:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:58:17,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:58:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:58:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2023-12-16 01:58:17,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:58:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796459428] [2023-12-16 01:58:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796459428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:58:17,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:58:17,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:58:17,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648869108] [2023-12-16 01:58:17,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:58:17,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:58:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:58:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:58:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:58:17,919 INFO L87 Difference]: Start difference. First operand 94883 states and 105721 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 01:58:22,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:58:22,168 INFO L93 Difference]: Finished difference Result 216611 states and 242477 transitions. [2023-12-16 01:58:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:58:22,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 438 [2023-12-16 01:58:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:58:22,327 INFO L225 Difference]: With dead ends: 216611 [2023-12-16 01:58:22,328 INFO L226 Difference]: Without dead ends: 122516 [2023-12-16 01:58:22,365 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 01:58:22,366 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 840 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 3125 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 3617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 3125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:58:22,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1885 Invalid, 3617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 3125 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-16 01:58:22,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122516 states. [2023-12-16 01:58:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122516 to 120895. [2023-12-16 01:58:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120895 states, 120894 states have (on average 1.108748159544725) internal successors, (134041), 120894 states have internal predecessors, (134041), 0 states have call successors, (0), 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 01:58:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120895 states to 120895 states and 134041 transitions. [2023-12-16 01:58:23,918 INFO L78 Accepts]: Start accepts. Automaton has 120895 states and 134041 transitions. Word has length 438 [2023-12-16 01:58:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:58:23,919 INFO L495 AbstractCegarLoop]: Abstraction has 120895 states and 134041 transitions. [2023-12-16 01:58:23,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 01:58:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 120895 states and 134041 transitions. [2023-12-16 01:58:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2023-12-16 01:58:23,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:58:23,925 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 01:58:23,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 01:58:23,926 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:58:23,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:58:23,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1348669459, now seen corresponding path program 1 times [2023-12-16 01:58:23,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:58:23,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487743595] [2023-12-16 01:58:23,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:58:23,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-16 01:58:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-16 01:58:24,011 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 01:58:24,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 01:58:24,012 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 444 with TraceHistMax 5,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [487743595] and IpTcStrategyModuleZ3 [883773591]. [2023-12-16 01:58:24,014 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:58:24,016 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:58:24,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:58:24 BoogieIcfgContainer [2023-12-16 01:58:24,018 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:58:24,018 INFO L158 Benchmark]: Toolchain (without parser) took 58926.27ms. Allocated memory was 315.6MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 267.9MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-16 01:58:24,018 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 245.4MB. Free memory is still 194.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:58:24,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1360.30ms. Allocated memory is still 315.6MB. Free memory was 267.4MB in the beginning and 214.2MB in the end (delta: 53.2MB). Peak memory consumption was 199.5MB. Max. memory is 8.0GB. [2023-12-16 01:58:24,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 339.32ms. Allocated memory is still 315.6MB. Free memory was 214.2MB in the beginning and 141.3MB in the end (delta: 72.8MB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. [2023-12-16 01:58:24,019 INFO L158 Benchmark]: Boogie Preprocessor took 727.26ms. Allocated memory was 315.6MB in the beginning and 629.1MB in the end (delta: 313.5MB). Free memory was 141.3MB in the beginning and 460.4MB in the end (delta: -319.1MB). Peak memory consumption was 98.2MB. Max. memory is 8.0GB. [2023-12-16 01:58:24,019 INFO L158 Benchmark]: RCFGBuilder took 3989.99ms. Allocated memory was 629.1MB in the beginning and 937.4MB in the end (delta: 308.3MB). Free memory was 460.4MB in the beginning and 681.4MB in the end (delta: -220.9MB). Peak memory consumption was 267.2MB. Max. memory is 8.0GB. [2023-12-16 01:58:24,019 INFO L158 Benchmark]: TraceAbstraction took 52503.72ms. Allocated memory was 937.4MB in the beginning and 4.1GB in the end (delta: 3.2GB). Free memory was 680.3MB in the beginning and 2.6GB in the end (delta: -1.9GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-16 01:58:24,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-16 01:58:24,030 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 Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 245.4MB. Free memory is still 194.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1360.30ms. Allocated memory is still 315.6MB. Free memory was 267.4MB in the beginning and 214.2MB in the end (delta: 53.2MB). Peak memory consumption was 199.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 339.32ms. Allocated memory is still 315.6MB. Free memory was 214.2MB in the beginning and 141.3MB in the end (delta: 72.8MB). Peak memory consumption was 86.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 727.26ms. Allocated memory was 315.6MB in the beginning and 629.1MB in the end (delta: 313.5MB). Free memory was 141.3MB in the beginning and 460.4MB in the end (delta: -319.1MB). Peak memory consumption was 98.2MB. Max. memory is 8.0GB. * RCFGBuilder took 3989.99ms. Allocated memory was 629.1MB in the beginning and 937.4MB in the end (delta: 308.3MB). Free memory was 460.4MB in the beginning and 681.4MB in the end (delta: -220.9MB). Peak memory consumption was 267.2MB. Max. memory is 8.0GB. * TraceAbstraction took 52503.72ms. Allocated memory was 937.4MB in the beginning and 4.1GB in the end (delta: 3.2GB). Free memory was 680.3MB in the beginning and 2.6GB in the end (delta: -1.9GB). Peak memory consumption was 1.3GB. 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: 172]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 172). Cancelled while NwaCegarLoop was analyzing trace of length 444 with TraceHistMax 5,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [487743595] and IpTcStrategyModuleZ3 [883773591]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1036 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.4s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 41.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12136 SdHoareTripleChecker+Valid, 37.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12136 mSDsluCounter, 15103 SdHoareTripleChecker+Invalid, 30.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1712 mSDsCounter, 8098 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33796 IncrementalHoareTripleChecker+Invalid, 41894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8098 mSolverCounterUnsat, 13391 mSDtfsCounter, 33796 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120895occurred in iteration=12, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 7325 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3440 NumberOfCodeBlocks, 3440 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3427 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 513 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 3584/3697 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