/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal48.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:12:28,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:12:28,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:12:28,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:12:28,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:12:28,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:12:28,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:12:28,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:12:28,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:12:28,242 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:12:28,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:12:28,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:12:28,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:12:28,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:12:28,244 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:12:28,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:12:28,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:12:28,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:12:28,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:12:28,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:12:28,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:12:28,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:12:28,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:12:28,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:12:28,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:12:28,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:12:28,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:12:28,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:12:28,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:12:28,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:12:28,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:12:28,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:12:28,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:12:28,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:12:28,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:12:28,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:12:28,417 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:12:28,417 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:12:28,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal48.c [2023-12-16 19:12:29,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:12:29,838 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:12:29,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal48.c [2023-12-16 19:12:29,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6104ddfc/15678d88d03540bd956850db4d99aff6/FLAG1c2b90d70 [2023-12-16 19:12:29,888 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6104ddfc/15678d88d03540bd956850db4d99aff6 [2023-12-16 19:12:29,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:12:29,892 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:12:29,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:12:29,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:12:29,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:12:29,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:12:29" (1/1) ... [2023-12-16 19:12:29,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f37734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:29, skipping insertion in model container [2023-12-16 19:12:29,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:12:29" (1/1) ... [2023-12-16 19:12:30,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:12:30,284 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal48.c[1245,1258] [2023-12-16 19:12:31,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:12:31,243 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:12:31,256 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal48.c[1245,1258] [2023-12-16 19:12:31,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:12:31,837 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:12:31,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31 WrapperNode [2023-12-16 19:12:31,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:12:31,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:12:31,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:12:31,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:12:31,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:32,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:35,112 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41962 [2023-12-16 19:12:35,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:12:35,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:12:35,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:12:35,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:12:35,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:35,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:36,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:36,603 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-12-16 19:12:36,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:36,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:37,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:37,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:37,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:37,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:38,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:12:38,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:12:38,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:12:38,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:12:38,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (1/1) ... [2023-12-16 19:12:38,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:12:38,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:12:38,617 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 19:12:38,637 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 19:12:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:12:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:12:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 19:12:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:12:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:12:40,192 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:12:40,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:12:58,961 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:12:59,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:12:59,552 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:12:59,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:12:59 BoogieIcfgContainer [2023-12-16 19:12:59,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:12:59,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:12:59,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:12:59,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:12:59,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:12:29" (1/3) ... [2023-12-16 19:12:59,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0e7bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:12:59, skipping insertion in model container [2023-12-16 19:12:59,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:12:31" (2/3) ... [2023-12-16 19:12:59,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0e7bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:12:59, skipping insertion in model container [2023-12-16 19:12:59,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:12:59" (3/3) ... [2023-12-16 19:12:59,561 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal48.c [2023-12-16 19:12:59,573 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:12:59,573 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:12:59,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:12:59,806 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;@1d78ac92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:12:59,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:12:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 9347 states, 9345 states have (on average 1.6670947030497592) internal successors, (15579), 9346 states have internal predecessors, (15579), 0 states have call successors, (0), 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 19:12:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-16 19:12:59,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:12:59,852 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:12:59,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:12:59,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:12:59,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1016476938, now seen corresponding path program 1 times [2023-12-16 19:12:59,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:12:59,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751846714] [2023-12-16 19:12:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:12:59,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:01,259 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 19:13:01,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751846714] [2023-12-16 19:13:01,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751846714] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:01,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:01,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:13:01,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826344410] [2023-12-16 19:13:01,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:01,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:13:01,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:01,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:13:01,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:13:01,313 INFO L87 Difference]: Start difference. First operand has 9347 states, 9345 states have (on average 1.6670947030497592) internal successors, (15579), 9346 states have internal predecessors, (15579), 0 states have call successors, (0), 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 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 0 states have call successors, (0), 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 19:13:01,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:01,753 INFO L93 Difference]: Finished difference Result 18582 states and 30974 transitions. [2023-12-16 19:13:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:13:01,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2023-12-16 19:13:01,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:01,797 INFO L225 Difference]: With dead ends: 18582 [2023-12-16 19:13:01,798 INFO L226 Difference]: Without dead ends: 9347 [2023-12-16 19:13:01,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:13:01,819 INFO L413 NwaCegarLoop]: 15572 mSDtfsCounter, 1 mSDsluCounter, 31139 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46711 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:01,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46711 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:13:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9347 states. [2023-12-16 19:13:01,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9347 to 9347. [2023-12-16 19:13:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9347 states, 9346 states have (on average 1.6667023325486838) internal successors, (15577), 9346 states have internal predecessors, (15577), 0 states have call successors, (0), 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 19:13:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9347 states to 9347 states and 15577 transitions. [2023-12-16 19:13:02,043 INFO L78 Accepts]: Start accepts. Automaton has 9347 states and 15577 transitions. Word has length 174 [2023-12-16 19:13:02,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:02,045 INFO L495 AbstractCegarLoop]: Abstraction has 9347 states and 15577 transitions. [2023-12-16 19:13:02,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 0 states have call successors, (0), 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 19:13:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9347 states and 15577 transitions. [2023-12-16 19:13:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-16 19:13:02,049 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:02,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:13:02,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:13:02,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:02,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1444288038, now seen corresponding path program 1 times [2023-12-16 19:13:02,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:02,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336924397] [2023-12-16 19:13:02,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:02,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:02,719 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 19:13:02,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:02,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336924397] [2023-12-16 19:13:02,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336924397] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:02,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:02,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:13:02,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024567159] [2023-12-16 19:13:02,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:02,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:13:02,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:02,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:13:02,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:13:02,727 INFO L87 Difference]: Start difference. First operand 9347 states and 15577 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 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 19:13:02,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:02,976 INFO L93 Difference]: Finished difference Result 18585 states and 30972 transitions. [2023-12-16 19:13:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:13:02,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2023-12-16 19:13:02,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:03,010 INFO L225 Difference]: With dead ends: 18585 [2023-12-16 19:13:03,010 INFO L226 Difference]: Without dead ends: 9350 [2023-12-16 19:13:03,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:13:03,024 INFO L413 NwaCegarLoop]: 15572 mSDtfsCounter, 1 mSDsluCounter, 31137 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46709 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:03,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46709 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:13:03,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9350 states. [2023-12-16 19:13:03,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9350 to 9349. [2023-12-16 19:13:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9349 states, 9348 states have (on average 1.6665596919127086) internal successors, (15579), 9348 states have internal predecessors, (15579), 0 states have call successors, (0), 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 19:13:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9349 states to 9349 states and 15579 transitions. [2023-12-16 19:13:03,185 INFO L78 Accepts]: Start accepts. Automaton has 9349 states and 15579 transitions. Word has length 175 [2023-12-16 19:13:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:03,187 INFO L495 AbstractCegarLoop]: Abstraction has 9349 states and 15579 transitions. [2023-12-16 19:13:03,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 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 19:13:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 9349 states and 15579 transitions. [2023-12-16 19:13:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-16 19:13:03,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:03,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:13:03,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:13:03,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:03,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:03,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2033687664, now seen corresponding path program 1 times [2023-12-16 19:13:03,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:03,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412079399] [2023-12-16 19:13:03,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:03,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:04,178 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 19:13:04,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:04,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412079399] [2023-12-16 19:13:04,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412079399] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:04,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:04,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:13:04,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688340239] [2023-12-16 19:13:04,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:04,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:13:04,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:04,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:13:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:13:04,183 INFO L87 Difference]: Start difference. First operand 9349 states and 15579 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 5 states have internal predecessors, (176), 0 states have call successors, (0), 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 19:13:04,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:04,715 INFO L93 Difference]: Finished difference Result 27928 states and 46538 transitions. [2023-12-16 19:13:04,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:13:04,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 5 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2023-12-16 19:13:04,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:04,756 INFO L225 Difference]: With dead ends: 27928 [2023-12-16 19:13:04,756 INFO L226 Difference]: Without dead ends: 18691 [2023-12-16 19:13:04,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:13:04,768 INFO L413 NwaCegarLoop]: 15786 mSDtfsCounter, 46099 mSDsluCounter, 31873 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46099 SdHoareTripleChecker+Valid, 47659 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:04,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46099 Valid, 47659 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:13:04,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18691 states. [2023-12-16 19:13:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18691 to 9352. [2023-12-16 19:13:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9352 states, 9351 states have (on average 1.6663458453641322) internal successors, (15582), 9351 states have internal predecessors, (15582), 0 states have call successors, (0), 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 19:13:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9352 states to 9352 states and 15582 transitions. [2023-12-16 19:13:04,962 INFO L78 Accepts]: Start accepts. Automaton has 9352 states and 15582 transitions. Word has length 176 [2023-12-16 19:13:04,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:04,962 INFO L495 AbstractCegarLoop]: Abstraction has 9352 states and 15582 transitions. [2023-12-16 19:13:04,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 5 states have internal predecessors, (176), 0 states have call successors, (0), 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 19:13:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 9352 states and 15582 transitions. [2023-12-16 19:13:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-16 19:13:04,963 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:04,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:13:04,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:13:04,964 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:04,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:04,964 INFO L85 PathProgramCache]: Analyzing trace with hash 523357452, now seen corresponding path program 1 times [2023-12-16 19:13:04,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:04,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656590382] [2023-12-16 19:13:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:04,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:05,768 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 19:13:05,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:05,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656590382] [2023-12-16 19:13:05,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656590382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:05,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:05,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:13:05,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912379907] [2023-12-16 19:13:05,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:05,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:13:05,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:05,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:13:05,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:13:05,771 INFO L87 Difference]: Start difference. First operand 9352 states and 15582 transitions. Second operand has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:13:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:11,395 INFO L93 Difference]: Finished difference Result 27858 states and 46416 transitions. [2023-12-16 19:13:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 19:13:11,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2023-12-16 19:13:11,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:11,416 INFO L225 Difference]: With dead ends: 27858 [2023-12-16 19:13:11,416 INFO L226 Difference]: Without dead ends: 18618 [2023-12-16 19:13:11,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-16 19:13:11,424 INFO L413 NwaCegarLoop]: 13846 mSDtfsCounter, 61514 mSDsluCounter, 41353 mSDsCounter, 0 mSdLazyCounter, 7393 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61514 SdHoareTripleChecker+Valid, 55199 SdHoareTripleChecker+Invalid, 7393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:11,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61514 Valid, 55199 Invalid, 7393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7393 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-16 19:13:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18618 states. [2023-12-16 19:13:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18618 to 9366. [2023-12-16 19:13:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9366 states, 9365 states have (on average 1.6662039508809396) internal successors, (15604), 9365 states have internal predecessors, (15604), 0 states have call successors, (0), 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 19:13:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9366 states to 9366 states and 15604 transitions. [2023-12-16 19:13:11,571 INFO L78 Accepts]: Start accepts. Automaton has 9366 states and 15604 transitions. Word has length 177 [2023-12-16 19:13:11,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:11,571 INFO L495 AbstractCegarLoop]: Abstraction has 9366 states and 15604 transitions. [2023-12-16 19:13:11,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 5 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:13:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 9366 states and 15604 transitions. [2023-12-16 19:13:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-16 19:13:11,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:11,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:13:11,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:13:11,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:11,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:11,573 INFO L85 PathProgramCache]: Analyzing trace with hash 211189936, now seen corresponding path program 1 times [2023-12-16 19:13:11,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:11,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372308655] [2023-12-16 19:13:11,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:11,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:12,372 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 19:13:12,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:12,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372308655] [2023-12-16 19:13:12,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372308655] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:12,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:12,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:13:12,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234368622] [2023-12-16 19:13:12,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:12,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:13:12,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:12,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:13:12,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:13:12,375 INFO L87 Difference]: Start difference. First operand 9366 states and 15604 transitions. Second operand has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 5 states have internal predecessors, (178), 0 states have call successors, (0), 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 19:13:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:17,687 INFO L93 Difference]: Finished difference Result 27958 states and 46576 transitions. [2023-12-16 19:13:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 19:13:17,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 5 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2023-12-16 19:13:17,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:17,730 INFO L225 Difference]: With dead ends: 27958 [2023-12-16 19:13:17,730 INFO L226 Difference]: Without dead ends: 18704 [2023-12-16 19:13:17,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-16 19:13:17,744 INFO L413 NwaCegarLoop]: 13850 mSDtfsCounter, 61549 mSDsluCounter, 41370 mSDsCounter, 0 mSdLazyCounter, 7417 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61549 SdHoareTripleChecker+Valid, 55220 SdHoareTripleChecker+Invalid, 7417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:17,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61549 Valid, 55220 Invalid, 7417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7417 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-16 19:13:17,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18704 states. [2023-12-16 19:13:17,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18704 to 9409. [2023-12-16 19:13:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9409 states, 9408 states have (on average 1.665922619047619) internal successors, (15673), 9408 states have internal predecessors, (15673), 0 states have call successors, (0), 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 19:13:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9409 states to 9409 states and 15673 transitions. [2023-12-16 19:13:17,886 INFO L78 Accepts]: Start accepts. Automaton has 9409 states and 15673 transitions. Word has length 178 [2023-12-16 19:13:17,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:17,886 INFO L495 AbstractCegarLoop]: Abstraction has 9409 states and 15673 transitions. [2023-12-16 19:13:17,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 5 states have internal predecessors, (178), 0 states have call successors, (0), 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 19:13:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 9409 states and 15673 transitions. [2023-12-16 19:13:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-16 19:13:17,888 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:17,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:13:17,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 19:13:17,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:17,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:17,888 INFO L85 PathProgramCache]: Analyzing trace with hash 319704792, now seen corresponding path program 1 times [2023-12-16 19:13:17,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489851692] [2023-12-16 19:13:17,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:17,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:18,636 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 19:13:18,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:18,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489851692] [2023-12-16 19:13:18,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489851692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:18,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:18,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:13:18,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403563195] [2023-12-16 19:13:18,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:18,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:13:18,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:18,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:13:18,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:13:18,638 INFO L87 Difference]: Start difference. First operand 9409 states and 15673 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 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 19:13:19,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:19,615 INFO L93 Difference]: Finished difference Result 28199 states and 46967 transitions. [2023-12-16 19:13:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 19:13:19,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-12-16 19:13:19,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:19,643 INFO L225 Difference]: With dead ends: 28199 [2023-12-16 19:13:19,643 INFO L226 Difference]: Without dead ends: 18902 [2023-12-16 19:13:19,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-12-16 19:13:19,658 INFO L413 NwaCegarLoop]: 15734 mSDtfsCounter, 77184 mSDsluCounter, 46531 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77184 SdHoareTripleChecker+Valid, 62265 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:19,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77184 Valid, 62265 Invalid, 260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 19:13:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18902 states. [2023-12-16 19:13:19,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18902 to 9606. [2023-12-16 19:13:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9606 states, 9605 states have (on average 1.6651743883394066) internal successors, (15994), 9605 states have internal predecessors, (15994), 0 states have call successors, (0), 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 19:13:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9606 states to 9606 states and 15994 transitions. [2023-12-16 19:13:19,840 INFO L78 Accepts]: Start accepts. Automaton has 9606 states and 15994 transitions. Word has length 179 [2023-12-16 19:13:19,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:19,843 INFO L495 AbstractCegarLoop]: Abstraction has 9606 states and 15994 transitions. [2023-12-16 19:13:19,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 0 states have call successors, (0), 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 19:13:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 9606 states and 15994 transitions. [2023-12-16 19:13:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-16 19:13:19,845 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:19,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:13:19,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 19:13:19,845 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:19,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1374145544, now seen corresponding path program 1 times [2023-12-16 19:13:19,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:19,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785222630] [2023-12-16 19:13:19,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:19,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:20,544 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 19:13:20,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:20,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785222630] [2023-12-16 19:13:20,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785222630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:20,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:20,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:13:20,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159298593] [2023-12-16 19:13:20,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:20,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:13:20,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:20,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:13:20,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:13:20,546 INFO L87 Difference]: Start difference. First operand 9606 states and 15994 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 19:13:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 19:13:22,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-16 19:13:22,466 INFO L413 NwaCegarLoop]: 4677 mSDtfsCounter, 15929 mSDsluCounter, 9829 mSDsCounter, 0 mSdLazyCounter, 2800 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15929 SdHoareTripleChecker+Valid, 14506 SdHoareTripleChecker+Invalid, 2802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:22,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15929 Valid, 14506 Invalid, 2802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2800 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 19:13:22,467 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:13:22,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 19:13:22,468 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (9606states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (6556 states constructed, input type IntersectNwa). [2023-12-16 19:13:22,471 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:13:22,474 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:13:22,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:13:22 BoogieIcfgContainer [2023-12-16 19:13:22,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:13:22,476 INFO L158 Benchmark]: Toolchain (without parser) took 52583.88ms. Allocated memory was 313.5MB in the beginning and 6.0GB in the end (delta: 5.7GB). Free memory was 245.6MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-12-16 19:13:22,476 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:13:22,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1943.89ms. Allocated memory was 313.5MB in the beginning and 483.4MB in the end (delta: 169.9MB). Free memory was 245.0MB in the beginning and 216.3MB in the end (delta: 28.7MB). Peak memory consumption was 225.3MB. Max. memory is 8.0GB. [2023-12-16 19:13:22,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 3274.84ms. Allocated memory was 483.4MB in the beginning and 4.8GB in the end (delta: 4.3GB). Free memory was 216.3MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 531.1MB. Max. memory is 8.0GB. [2023-12-16 19:13:22,476 INFO L158 Benchmark]: Boogie Preprocessor took 3423.31ms. Allocated memory is still 4.8GB. Free memory was 4.1GB in the beginning and 3.9GB in the end (delta: 280.9MB). Peak memory consumption was 327.7MB. Max. memory is 8.0GB. [2023-12-16 19:13:22,477 INFO L158 Benchmark]: RCFGBuilder took 21015.90ms. Allocated memory was 4.8GB in the beginning and 6.0GB in the end (delta: 1.2GB). Free memory was 3.9GB in the beginning and 4.5GB in the end (delta: -690.3MB). Peak memory consumption was 591.0MB. Max. memory is 8.0GB. [2023-12-16 19:13:22,477 INFO L158 Benchmark]: TraceAbstraction took 22919.49ms. Allocated memory is still 6.0GB. Free memory was 4.5GB in the beginning and 3.6GB in the end (delta: 939.8MB). Peak memory consumption was 940.3MB. Max. memory is 8.0GB. [2023-12-16 19:13:22,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-16 19:13:22,481 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 0.09ms. Allocated memory is still 200.3MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1943.89ms. Allocated memory was 313.5MB in the beginning and 483.4MB in the end (delta: 169.9MB). Free memory was 245.0MB in the beginning and 216.3MB in the end (delta: 28.7MB). Peak memory consumption was 225.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3274.84ms. Allocated memory was 483.4MB in the beginning and 4.8GB in the end (delta: 4.3GB). Free memory was 216.3MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 531.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 3423.31ms. Allocated memory is still 4.8GB. Free memory was 4.1GB in the beginning and 3.9GB in the end (delta: 280.9MB). Peak memory consumption was 327.7MB. Max. memory is 8.0GB. * RCFGBuilder took 21015.90ms. Allocated memory was 4.8GB in the beginning and 6.0GB in the end (delta: 1.2GB). Free memory was 3.9GB in the beginning and 4.5GB in the end (delta: -690.3MB). Peak memory consumption was 591.0MB. Max. memory is 8.0GB. * TraceAbstraction took 22919.49ms. Allocated memory is still 6.0GB. Free memory was 4.5GB in the beginning and 3.6GB in the end (delta: 939.8MB). Peak memory consumption was 940.3MB. 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: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (9606states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (6556 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9347 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262277 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262277 mSDsluCounter, 328269 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233232 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17921 IncrementalHoareTripleChecker+Invalid, 17925 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 95037 mSDtfsCounter, 17921 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9606occurred in iteration=6, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 37183 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1239 NumberOfCodeBlocks, 1239 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1232 ConstructedInterpolants, 0 QuantifiedInterpolants, 3405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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