/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/combinations/Problem05_label46+token_ring.13.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 00:41:13,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 00:41:13,870 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 00:41:13,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 00:41:13,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 00:41:13,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 00:41:13,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 00:41:13,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 00:41:13,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 00:41:13,901 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 00:41:13,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 00:41:13,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 00:41:13,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 00:41:13,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 00:41:13,903 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 00:41:13,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 00:41:13,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 00:41:13,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 00:41:13,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 00:41:13,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 00:41:13,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 00:41:13,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 00:41:13,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 00:41:13,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 00:41:13,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 00:41:13,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 00:41:13,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 00:41:13,906 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 00:41:13,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 00:41:13,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 00:41:13,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 00:41:13,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 00:41:13,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 00:41:13,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 00:41:13,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 00:41:13,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 00:41:13,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 00:41:13,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 00:41:14,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 00:41:14,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 00:41:14,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 00:41:14,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 00:41:14,137 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 00:41:14,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/Problem05_label46+token_ring.13.cil-1.c [2023-12-16 00:41:15,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 00:41:15,561 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 00:41:15,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.13.cil-1.c [2023-12-16 00:41:15,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7107abdb/f13327b75ec34c61acc5cd09a20e7b7f/FLAG72cc57869 [2023-12-16 00:41:15,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7107abdb/f13327b75ec34c61acc5cd09a20e7b7f [2023-12-16 00:41:15,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 00:41:15,631 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 00:41:15,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 00:41:15,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 00:41:15,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 00:41:15,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:41:15" (1/1) ... [2023-12-16 00:41:15,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fe3ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:15, skipping insertion in model container [2023-12-16 00:41:15,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:41:15" (1/1) ... [2023-12-16 00:41:15,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 00:41:17,065 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.13.cil-1.c[382357,382370] [2023-12-16 00:41:17,084 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.13.cil-1.c[383339,383352] [2023-12-16 00:41:17,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 00:41:17,305 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 00:41:17,882 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.13.cil-1.c[382357,382370] [2023-12-16 00:41:17,886 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label46+token_ring.13.cil-1.c[383339,383352] [2023-12-16 00:41:17,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 00:41:17,963 INFO L206 MainTranslator]: Completed translation [2023-12-16 00:41:17,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17 WrapperNode [2023-12-16 00:41:17,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 00:41:17,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 00:41:17,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 00:41:17,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 00:41:17,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,266 INFO L138 Inliner]: procedures = 70, calls = 81, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 13299 [2023-12-16 00:41:18,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 00:41:18,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 00:41:18,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 00:41:18,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 00:41:18,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,486 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 00:41:18,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 00:41:18,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 00:41:18,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 00:41:18,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 00:41:18,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (1/1) ... [2023-12-16 00:41:18,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 00:41:18,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 00:41:18,867 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 00:41:18,886 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 00:41:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 00:41:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-12-16 00:41:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-12-16 00:41:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-12-16 00:41:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-12-16 00:41:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-12-16 00:41:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-12-16 00:41:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-12-16 00:41:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-12-16 00:41:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-12-16 00:41:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-12-16 00:41:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-12-16 00:41:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-12-16 00:41:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-12-16 00:41:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-12-16 00:41:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 00:41:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 00:41:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 00:41:19,009 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 00:41:19,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 00:41:24,502 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 00:41:24,650 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 00:41:24,650 INFO L309 CfgBuilder]: Removed 17 assume(true) statements. [2023-12-16 00:41:24,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:41:24 BoogieIcfgContainer [2023-12-16 00:41:24,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 00:41:24,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 00:41:24,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 00:41:24,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 00:41:24,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:41:15" (1/3) ... [2023-12-16 00:41:24,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3299d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:41:24, skipping insertion in model container [2023-12-16 00:41:24,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:41:17" (2/3) ... [2023-12-16 00:41:24,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3299d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:41:24, skipping insertion in model container [2023-12-16 00:41:24,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:41:24" (3/3) ... [2023-12-16 00:41:24,659 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label46+token_ring.13.cil-1.c [2023-12-16 00:41:24,672 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 00:41:24,672 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-16 00:41:24,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 00:41:24,741 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;@208cf7bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 00:41:24,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-16 00:41:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 2502 states, 2463 states have (on average 1.8749492488834754) internal successors, (4618), 2468 states have internal predecessors, (4618), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-16 00:41:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:24,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:24,766 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] [2023-12-16 00:41:24,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:24,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:24,770 INFO L85 PathProgramCache]: Analyzing trace with hash -445430764, now seen corresponding path program 1 times [2023-12-16 00:41:24,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:24,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794846863] [2023-12-16 00:41:24,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:25,312 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 00:41:25,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:25,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794846863] [2023-12-16 00:41:25,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794846863] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:25,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:25,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 00:41:25,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806478704] [2023-12-16 00:41:25,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:25,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 00:41:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:25,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 00:41:25,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 00:41:25,350 INFO L87 Difference]: Start difference. First operand has 2502 states, 2463 states have (on average 1.8749492488834754) internal successors, (4618), 2468 states have internal predecessors, (4618), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:27,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:27,305 INFO L93 Difference]: Finished difference Result 5137 states and 9590 transitions. [2023-12-16 00:41:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 00:41:27,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:27,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:27,325 INFO L225 Difference]: With dead ends: 5137 [2023-12-16 00:41:27,325 INFO L226 Difference]: Without dead ends: 2637 [2023-12-16 00:41:27,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 00:41:27,333 INFO L413 NwaCegarLoop]: 4287 mSDtfsCounter, 1062 mSDsluCounter, 12244 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 16531 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:27,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 16531 Invalid, 1211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 00:41:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2023-12-16 00:41:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2497. [2023-12-16 00:41:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2460 states have (on average 1.8357723577235772) internal successors, (4516), 2463 states have internal predecessors, (4516), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-16 00:41:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 4572 transitions. [2023-12-16 00:41:27,434 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 4572 transitions. Word has length 172 [2023-12-16 00:41:27,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:27,434 INFO L495 AbstractCegarLoop]: Abstraction has 2497 states and 4572 transitions. [2023-12-16 00:41:27,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4572 transitions. [2023-12-16 00:41:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:27,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:27,437 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] [2023-12-16 00:41:27,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 00:41:27,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:27,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:27,438 INFO L85 PathProgramCache]: Analyzing trace with hash -943987566, now seen corresponding path program 1 times [2023-12-16 00:41:27,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:27,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168383452] [2023-12-16 00:41:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:27,633 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 00:41:27,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:27,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168383452] [2023-12-16 00:41:27,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168383452] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:27,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:27,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 00:41:27,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60776756] [2023-12-16 00:41:27,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:27,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 00:41:27,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:27,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 00:41:27,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 00:41:27,636 INFO L87 Difference]: Start difference. First operand 2497 states and 4572 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:29,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:29,299 INFO L93 Difference]: Finished difference Result 2998 states and 5410 transitions. [2023-12-16 00:41:29,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 00:41:29,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:29,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:29,308 INFO L225 Difference]: With dead ends: 2998 [2023-12-16 00:41:29,308 INFO L226 Difference]: Without dead ends: 2637 [2023-12-16 00:41:29,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 00:41:29,311 INFO L413 NwaCegarLoop]: 4283 mSDtfsCounter, 1050 mSDsluCounter, 12235 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 16518 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:29,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 16518 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 00:41:29,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2023-12-16 00:41:29,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2497. [2023-12-16 00:41:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2460 states have (on average 1.8353658536585367) internal successors, (4515), 2463 states have internal predecessors, (4515), 29 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-16 00:41:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 4571 transitions. [2023-12-16 00:41:29,358 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 4571 transitions. Word has length 172 [2023-12-16 00:41:29,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:29,359 INFO L495 AbstractCegarLoop]: Abstraction has 2497 states and 4571 transitions. [2023-12-16 00:41:29,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4571 transitions. [2023-12-16 00:41:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:29,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:29,361 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] [2023-12-16 00:41:29,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 00:41:29,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:29,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:29,361 INFO L85 PathProgramCache]: Analyzing trace with hash 825484048, now seen corresponding path program 1 times [2023-12-16 00:41:29,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:29,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93990388] [2023-12-16 00:41:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:29,692 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 00:41:29,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:29,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93990388] [2023-12-16 00:41:29,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93990388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:29,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:29,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 00:41:29,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857648643] [2023-12-16 00:41:29,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:29,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 00:41:29,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 00:41:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 00:41:29,694 INFO L87 Difference]: Start difference. First operand 2497 states and 4571 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:32,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:32,604 INFO L93 Difference]: Finished difference Result 3512 states and 6275 transitions. [2023-12-16 00:41:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 00:41:32,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:32,615 INFO L225 Difference]: With dead ends: 3512 [2023-12-16 00:41:32,615 INFO L226 Difference]: Without dead ends: 3155 [2023-12-16 00:41:32,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:41:32,621 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 5558 mSDsluCounter, 12746 mSDsCounter, 0 mSdLazyCounter, 2471 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 16995 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:32,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5578 Valid, 16995 Invalid, 2591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 2471 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 00:41:32,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2023-12-16 00:41:32,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 2874. [2023-12-16 00:41:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2874 states, 2808 states have (on average 1.8133903133903133) internal successors, (5092), 2812 states have internal predecessors, (5092), 51 states have call successors, (51), 13 states have call predecessors, (51), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2023-12-16 00:41:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 5195 transitions. [2023-12-16 00:41:32,689 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 5195 transitions. Word has length 172 [2023-12-16 00:41:32,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:32,690 INFO L495 AbstractCegarLoop]: Abstraction has 2874 states and 5195 transitions. [2023-12-16 00:41:32,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 5195 transitions. [2023-12-16 00:41:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:32,692 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:32,692 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] [2023-12-16 00:41:32,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 00:41:32,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:32,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:32,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1830589324, now seen corresponding path program 1 times [2023-12-16 00:41:32,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:32,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226301997] [2023-12-16 00:41:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:32,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:33,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:33,066 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 00:41:33,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:33,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226301997] [2023-12-16 00:41:33,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226301997] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:33,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:33,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:33,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512449239] [2023-12-16 00:41:33,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:33,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:33,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:33,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:33,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:33,070 INFO L87 Difference]: Start difference. First operand 2874 states and 5195 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:37,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:37,007 INFO L93 Difference]: Finished difference Result 4427 states and 7805 transitions. [2023-12-16 00:41:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 00:41:37,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:37,020 INFO L225 Difference]: With dead ends: 4427 [2023-12-16 00:41:37,021 INFO L226 Difference]: Without dead ends: 3693 [2023-12-16 00:41:37,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-16 00:41:37,024 INFO L413 NwaCegarLoop]: 4471 mSDtfsCounter, 5605 mSDsluCounter, 17546 mSDsCounter, 0 mSdLazyCounter, 4012 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5625 SdHoareTripleChecker+Valid, 22017 SdHoareTripleChecker+Invalid, 4079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 4012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:37,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5625 Valid, 22017 Invalid, 4079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [67 Valid, 4012 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-16 00:41:37,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2023-12-16 00:41:37,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3222. [2023-12-16 00:41:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3127 states have (on average 1.7943716021746083) internal successors, (5611), 3132 states have internal predecessors, (5611), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2023-12-16 00:41:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 5760 transitions. [2023-12-16 00:41:37,131 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 5760 transitions. Word has length 172 [2023-12-16 00:41:37,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:37,131 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 5760 transitions. [2023-12-16 00:41:37,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:37,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 5760 transitions. [2023-12-16 00:41:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:37,134 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:37,134 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] [2023-12-16 00:41:37,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 00:41:37,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:37,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:37,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2078515570, now seen corresponding path program 1 times [2023-12-16 00:41:37,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:37,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252762957] [2023-12-16 00:41:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:37,416 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 00:41:37,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:37,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252762957] [2023-12-16 00:41:37,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252762957] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:37,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:37,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:37,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133889246] [2023-12-16 00:41:37,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:37,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:37,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:37,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:37,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:37,426 INFO L87 Difference]: Start difference. First operand 3222 states and 5760 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:39,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:39,419 INFO L93 Difference]: Finished difference Result 4793 states and 8414 transitions. [2023-12-16 00:41:39,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 00:41:39,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:39,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:39,431 INFO L225 Difference]: With dead ends: 4793 [2023-12-16 00:41:39,431 INFO L226 Difference]: Without dead ends: 3711 [2023-12-16 00:41:39,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:41:39,435 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 5129 mSDsluCounter, 16691 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5150 SdHoareTripleChecker+Valid, 20927 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:39,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5150 Valid, 20927 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 00:41:39,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2023-12-16 00:41:39,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 3222. [2023-12-16 00:41:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3127 states have (on average 1.7934122161816437) internal successors, (5608), 3132 states have internal predecessors, (5608), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2023-12-16 00:41:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 5757 transitions. [2023-12-16 00:41:39,500 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 5757 transitions. Word has length 172 [2023-12-16 00:41:39,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:39,500 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 5757 transitions. [2023-12-16 00:41:39,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 5757 transitions. [2023-12-16 00:41:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:39,502 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:39,502 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] [2023-12-16 00:41:39,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 00:41:39,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:39,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:39,502 INFO L85 PathProgramCache]: Analyzing trace with hash -147389936, now seen corresponding path program 1 times [2023-12-16 00:41:39,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:39,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079050303] [2023-12-16 00:41:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:39,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:39,732 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 00:41:39,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:39,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079050303] [2023-12-16 00:41:39,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079050303] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:39,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:39,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074916530] [2023-12-16 00:41:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:39,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:39,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:39,735 INFO L87 Difference]: Start difference. First operand 3222 states and 5757 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:41,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:41,626 INFO L93 Difference]: Finished difference Result 4789 states and 8397 transitions. [2023-12-16 00:41:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 00:41:41,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:41,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:41,638 INFO L225 Difference]: With dead ends: 4789 [2023-12-16 00:41:41,638 INFO L226 Difference]: Without dead ends: 3707 [2023-12-16 00:41:41,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:41:41,643 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 5127 mSDsluCounter, 16691 mSDsCounter, 0 mSdLazyCounter, 2035 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 20927 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:41,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 20927 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2035 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 00:41:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3707 states. [2023-12-16 00:41:41,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3707 to 3222. [2023-12-16 00:41:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3127 states have (on average 1.7924528301886793) internal successors, (5605), 3132 states have internal predecessors, (5605), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2023-12-16 00:41:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 5754 transitions. [2023-12-16 00:41:41,732 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 5754 transitions. Word has length 172 [2023-12-16 00:41:41,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:41,733 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 5754 transitions. [2023-12-16 00:41:41,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 5754 transitions. [2023-12-16 00:41:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:41,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:41,735 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] [2023-12-16 00:41:41,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 00:41:41,735 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:41,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1470568882, now seen corresponding path program 1 times [2023-12-16 00:41:41,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:41,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678697265] [2023-12-16 00:41:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:41,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:41,986 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 00:41:41,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:41,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678697265] [2023-12-16 00:41:41,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678697265] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:41,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:41,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:41,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15745249] [2023-12-16 00:41:41,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:41,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:41,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:41,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:41,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:41,988 INFO L87 Difference]: Start difference. First operand 3222 states and 5754 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:43,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:43,878 INFO L93 Difference]: Finished difference Result 4785 states and 8380 transitions. [2023-12-16 00:41:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 00:41:43,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:43,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:43,896 INFO L225 Difference]: With dead ends: 4785 [2023-12-16 00:41:43,896 INFO L226 Difference]: Without dead ends: 3703 [2023-12-16 00:41:43,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:41:43,903 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 5125 mSDsluCounter, 16691 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5146 SdHoareTripleChecker+Valid, 20927 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:43,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5146 Valid, 20927 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 00:41:43,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3703 states. [2023-12-16 00:41:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3703 to 3222. [2023-12-16 00:41:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3127 states have (on average 1.7914934441957147) internal successors, (5602), 3132 states have internal predecessors, (5602), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2023-12-16 00:41:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 5751 transitions. [2023-12-16 00:41:43,972 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 5751 transitions. Word has length 172 [2023-12-16 00:41:43,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:43,973 INFO L495 AbstractCegarLoop]: Abstraction has 3222 states and 5751 transitions. [2023-12-16 00:41:43,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 5751 transitions. [2023-12-16 00:41:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:43,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:43,974 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] [2023-12-16 00:41:43,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 00:41:43,975 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:43,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:43,975 INFO L85 PathProgramCache]: Analyzing trace with hash 426410576, now seen corresponding path program 1 times [2023-12-16 00:41:43,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:43,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510225637] [2023-12-16 00:41:43,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:44,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:44,232 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 00:41:44,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:44,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510225637] [2023-12-16 00:41:44,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510225637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:44,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:44,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:44,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815057425] [2023-12-16 00:41:44,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:44,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:44,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:44,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:44,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:44,234 INFO L87 Difference]: Start difference. First operand 3222 states and 5751 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:47,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:47,505 INFO L93 Difference]: Finished difference Result 5755 states and 9966 transitions. [2023-12-16 00:41:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 00:41:47,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:47,517 INFO L225 Difference]: With dead ends: 5755 [2023-12-16 00:41:47,517 INFO L226 Difference]: Without dead ends: 4673 [2023-12-16 00:41:47,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-16 00:41:47,523 INFO L413 NwaCegarLoop]: 4258 mSDtfsCounter, 5690 mSDsluCounter, 16967 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5710 SdHoareTripleChecker+Valid, 21225 SdHoareTripleChecker+Invalid, 3374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:47,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5710 Valid, 21225 Invalid, 3374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [111 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 00:41:47,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states. [2023-12-16 00:41:47,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 3931. [2023-12-16 00:41:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3931 states, 3778 states have (on average 1.7609846479618847) internal successors, (6653), 3785 states have internal predecessors, (6653), 117 states have call successors, (117), 31 states have call predecessors, (117), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2023-12-16 00:41:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 6898 transitions. [2023-12-16 00:41:47,609 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 6898 transitions. Word has length 172 [2023-12-16 00:41:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:47,610 INFO L495 AbstractCegarLoop]: Abstraction has 3931 states and 6898 transitions. [2023-12-16 00:41:47,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 6898 transitions. [2023-12-16 00:41:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:47,612 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:47,612 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] [2023-12-16 00:41:47,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 00:41:47,613 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:47,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:47,613 INFO L85 PathProgramCache]: Analyzing trace with hash 764698126, now seen corresponding path program 1 times [2023-12-16 00:41:47,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:47,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828438083] [2023-12-16 00:41:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:47,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:47,862 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 00:41:47,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:47,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828438083] [2023-12-16 00:41:47,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828438083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:47,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:47,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:47,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559341725] [2023-12-16 00:41:47,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:47,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:47,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:47,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:47,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:47,864 INFO L87 Difference]: Start difference. First operand 3931 states and 6898 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:49,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:49,619 INFO L93 Difference]: Finished difference Result 6449 states and 11099 transitions. [2023-12-16 00:41:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 00:41:49,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:49,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:49,630 INFO L225 Difference]: With dead ends: 6449 [2023-12-16 00:41:49,630 INFO L226 Difference]: Without dead ends: 4658 [2023-12-16 00:41:49,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:41:49,636 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 5124 mSDsluCounter, 16691 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5145 SdHoareTripleChecker+Valid, 20927 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:49,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5145 Valid, 20927 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 00:41:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2023-12-16 00:41:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 3931. [2023-12-16 00:41:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3931 states, 3778 states have (on average 1.7596611964002118) internal successors, (6648), 3785 states have internal predecessors, (6648), 117 states have call successors, (117), 31 states have call predecessors, (117), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2023-12-16 00:41:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 6893 transitions. [2023-12-16 00:41:49,734 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 6893 transitions. Word has length 172 [2023-12-16 00:41:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:49,734 INFO L495 AbstractCegarLoop]: Abstraction has 3931 states and 6893 transitions. [2023-12-16 00:41:49,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 6893 transitions. [2023-12-16 00:41:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:49,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:49,736 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] [2023-12-16 00:41:49,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 00:41:49,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:49,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:49,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1191252624, now seen corresponding path program 1 times [2023-12-16 00:41:49,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:49,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365963547] [2023-12-16 00:41:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:49,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:49,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:49,947 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 00:41:49,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:49,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365963547] [2023-12-16 00:41:49,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365963547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:49,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:49,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:49,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387914007] [2023-12-16 00:41:49,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:49,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:49,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:49,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:49,948 INFO L87 Difference]: Start difference. First operand 3931 states and 6893 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:53,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:53,681 INFO L93 Difference]: Finished difference Result 8326 states and 14153 transitions. [2023-12-16 00:41:53,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 00:41:53,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:53,697 INFO L225 Difference]: With dead ends: 8326 [2023-12-16 00:41:53,697 INFO L226 Difference]: Without dead ends: 6535 [2023-12-16 00:41:53,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-16 00:41:53,704 INFO L413 NwaCegarLoop]: 4469 mSDtfsCounter, 5570 mSDsluCounter, 17546 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5590 SdHoareTripleChecker+Valid, 22015 SdHoareTripleChecker+Invalid, 3947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:53,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5590 Valid, 22015 Invalid, 3947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3878 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-16 00:41:53,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6535 states. [2023-12-16 00:41:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6535 to 5349. [2023-12-16 00:41:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 5080 states have (on average 1.720472440944882) internal successors, (8740), 5091 states have internal predecessors, (8740), 205 states have call successors, (205), 55 states have call predecessors, (205), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2023-12-16 00:41:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 9183 transitions. [2023-12-16 00:41:53,838 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 9183 transitions. Word has length 172 [2023-12-16 00:41:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:53,839 INFO L495 AbstractCegarLoop]: Abstraction has 5349 states and 9183 transitions. [2023-12-16 00:41:53,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 9183 transitions. [2023-12-16 00:41:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:53,842 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:53,842 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] [2023-12-16 00:41:53,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 00:41:53,842 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:53,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:53,843 INFO L85 PathProgramCache]: Analyzing trace with hash 650823118, now seen corresponding path program 1 times [2023-12-16 00:41:53,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:53,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727985839] [2023-12-16 00:41:53,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:54,033 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 00:41:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:54,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727985839] [2023-12-16 00:41:54,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727985839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:54,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:54,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:54,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256658967] [2023-12-16 00:41:54,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:54,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:54,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:54,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:54,034 INFO L87 Difference]: Start difference. First operand 5349 states and 9183 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:57,715 INFO L93 Difference]: Finished difference Result 13474 states and 22581 transitions. [2023-12-16 00:41:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 00:41:57,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:57,746 INFO L225 Difference]: With dead ends: 13474 [2023-12-16 00:41:57,746 INFO L226 Difference]: Without dead ends: 10265 [2023-12-16 00:41:57,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-16 00:41:57,757 INFO L413 NwaCegarLoop]: 4469 mSDtfsCounter, 5575 mSDsluCounter, 17546 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 22015 SdHoareTripleChecker+Invalid, 3929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:57,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5595 Valid, 22015 Invalid, 3929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-16 00:41:57,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10265 states. [2023-12-16 00:41:58,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10265 to 8190. [2023-12-16 00:41:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8190 states, 7689 states have (on average 1.6816230979321107) internal successors, (12930), 7708 states have internal predecessors, (12930), 381 states have call successors, (381), 103 states have call predecessors, (381), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2023-12-16 00:41:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8190 states to 8190 states and 13787 transitions. [2023-12-16 00:41:58,085 INFO L78 Accepts]: Start accepts. Automaton has 8190 states and 13787 transitions. Word has length 172 [2023-12-16 00:41:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:41:58,085 INFO L495 AbstractCegarLoop]: Abstraction has 8190 states and 13787 transitions. [2023-12-16 00:41:58,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 8190 states and 13787 transitions. [2023-12-16 00:41:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:41:58,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:41:58,090 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] [2023-12-16 00:41:58,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 00:41:58,090 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:41:58,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:41:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash 494842576, now seen corresponding path program 1 times [2023-12-16 00:41:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:41:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783994840] [2023-12-16 00:41:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:41:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:41:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:41:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:41:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:41:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:41:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:41:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:41:58,265 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 00:41:58,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:41:58,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783994840] [2023-12-16 00:41:58,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783994840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:41:58,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:41:58,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:41:58,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425915011] [2023-12-16 00:41:58,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:41:58,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:41:58,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:41:58,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:41:58,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:41:58,267 INFO L87 Difference]: Start difference. First operand 8190 states and 13787 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:41:59,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:41:59,909 INFO L93 Difference]: Finished difference Result 16387 states and 27400 transitions. [2023-12-16 00:41:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 00:41:59,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:41:59,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:41:59,934 INFO L225 Difference]: With dead ends: 16387 [2023-12-16 00:41:59,934 INFO L226 Difference]: Without dead ends: 10337 [2023-12-16 00:41:59,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:41:59,951 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 5292 mSDsluCounter, 12552 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5313 SdHoareTripleChecker+Valid, 16788 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 00:41:59,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5313 Valid, 16788 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 00:41:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10337 states. [2023-12-16 00:42:00,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10337 to 8190. [2023-12-16 00:42:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8190 states, 7689 states have (on average 1.6794121472233061) internal successors, (12913), 7708 states have internal predecessors, (12913), 381 states have call successors, (381), 103 states have call predecessors, (381), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2023-12-16 00:42:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8190 states to 8190 states and 13770 transitions. [2023-12-16 00:42:00,286 INFO L78 Accepts]: Start accepts. Automaton has 8190 states and 13770 transitions. Word has length 172 [2023-12-16 00:42:00,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:42:00,287 INFO L495 AbstractCegarLoop]: Abstraction has 8190 states and 13770 transitions. [2023-12-16 00:42:00,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:42:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 8190 states and 13770 transitions. [2023-12-16 00:42:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:42:00,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:42:00,291 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] [2023-12-16 00:42:00,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 00:42:00,292 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:42:00,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:42:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1293027246, now seen corresponding path program 1 times [2023-12-16 00:42:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:42:00,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972099765] [2023-12-16 00:42:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:42:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:42:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:42:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:42:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:42:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:42:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:42:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:00,497 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 00:42:00,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:42:00,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972099765] [2023-12-16 00:42:00,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972099765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:42:00,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:42:00,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:42:00,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781992220] [2023-12-16 00:42:00,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:42:00,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:42:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:42:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:42:00,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:42:00,499 INFO L87 Difference]: Start difference. First operand 8190 states and 13770 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:42:02,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:42:02,197 INFO L93 Difference]: Finished difference Result 16369 states and 27313 transitions. [2023-12-16 00:42:02,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 00:42:02,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:42:02,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:42:02,219 INFO L225 Difference]: With dead ends: 16369 [2023-12-16 00:42:02,219 INFO L226 Difference]: Without dead ends: 10319 [2023-12-16 00:42:02,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 00:42:02,235 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 5290 mSDsluCounter, 12552 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5311 SdHoareTripleChecker+Valid, 16788 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 00:42:02,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5311 Valid, 16788 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 00:42:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10319 states. [2023-12-16 00:42:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10319 to 8190. [2023-12-16 00:42:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8190 states, 7689 states have (on average 1.6772011965145013) internal successors, (12896), 7708 states have internal predecessors, (12896), 381 states have call successors, (381), 103 states have call predecessors, (381), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2023-12-16 00:42:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8190 states to 8190 states and 13753 transitions. [2023-12-16 00:42:02,525 INFO L78 Accepts]: Start accepts. Automaton has 8190 states and 13753 transitions. Word has length 172 [2023-12-16 00:42:02,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:42:02,525 INFO L495 AbstractCegarLoop]: Abstraction has 8190 states and 13753 transitions. [2023-12-16 00:42:02,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:42:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8190 states and 13753 transitions. [2023-12-16 00:42:02,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:42:02,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:42:02,531 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] [2023-12-16 00:42:02,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 00:42:02,531 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:42:02,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:42:02,531 INFO L85 PathProgramCache]: Analyzing trace with hash 866056848, now seen corresponding path program 1 times [2023-12-16 00:42:02,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:42:02,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237863946] [2023-12-16 00:42:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:42:02,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:42:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:42:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:42:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:42:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:42:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:42:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:02,733 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 00:42:02,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:42:02,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237863946] [2023-12-16 00:42:02,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237863946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:42:02,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:42:02,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:42:02,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122608847] [2023-12-16 00:42:02,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:42:02,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:42:02,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:42:02,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:42:02,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:42:02,734 INFO L87 Difference]: Start difference. First operand 8190 states and 13753 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:42:06,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:42:06,522 INFO L93 Difference]: Finished difference Result 23715 states and 39219 transitions. [2023-12-16 00:42:06,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 00:42:06,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:42:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:42:06,563 INFO L225 Difference]: With dead ends: 23715 [2023-12-16 00:42:06,563 INFO L226 Difference]: Without dead ends: 17665 [2023-12-16 00:42:06,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-16 00:42:06,584 INFO L413 NwaCegarLoop]: 4469 mSDtfsCounter, 5556 mSDsluCounter, 17546 mSDsCounter, 0 mSdLazyCounter, 3783 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5576 SdHoareTripleChecker+Valid, 22015 SdHoareTripleChecker+Invalid, 3852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 3783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-16 00:42:06,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5576 Valid, 22015 Invalid, 3852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 3783 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-16 00:42:06,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17665 states. [2023-12-16 00:42:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17665 to 13938. [2023-12-16 00:42:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13938 states, 12973 states have (on average 1.6446465736529716) internal successors, (21336), 13008 states have internal predecessors, (21336), 733 states have call successors, (733), 199 states have call predecessors, (733), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2023-12-16 00:42:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13938 states to 13938 states and 23075 transitions. [2023-12-16 00:42:07,190 INFO L78 Accepts]: Start accepts. Automaton has 13938 states and 23075 transitions. Word has length 172 [2023-12-16 00:42:07,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:42:07,190 INFO L495 AbstractCegarLoop]: Abstraction has 13938 states and 23075 transitions. [2023-12-16 00:42:07,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:42:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 13938 states and 23075 transitions. [2023-12-16 00:42:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-16 00:42:07,198 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:42:07,198 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] [2023-12-16 00:42:07,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 00:42:07,198 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:42:07,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:42:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash 935704722, now seen corresponding path program 1 times [2023-12-16 00:42:07,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:42:07,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059137316] [2023-12-16 00:42:07,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:42:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:42:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 00:42:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 00:42:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 00:42:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:07,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 00:42:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-16 00:42:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:42:07,414 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 00:42:07,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:42:07,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059137316] [2023-12-16 00:42:07,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059137316] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:42:07,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:42:07,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 00:42:07,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082040482] [2023-12-16 00:42:07,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:42:07,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 00:42:07,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:42:07,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 00:42:07,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 00:42:07,416 INFO L87 Difference]: Start difference. First operand 13938 states and 23075 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 00:42:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:42:11,404 INFO L93 Difference]: Finished difference Result 49557 states and 81601 transitions. [2023-12-16 00:42:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 00:42:11,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 172 [2023-12-16 00:42:11,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:42:11,502 INFO L225 Difference]: With dead ends: 49557 [2023-12-16 00:42:11,502 INFO L226 Difference]: Without dead ends: 37759 [2023-12-16 00:42:11,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 00:42:11,642 INFO L413 NwaCegarLoop]: 4260 mSDtfsCounter, 6122 mSDsluCounter, 16965 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 21225 SdHoareTripleChecker+Invalid, 3283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 00:42:11,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6156 Valid, 21225 Invalid, 3283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3169 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 00:42:11,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37759 states. Received shutdown request... [2023-12-16 00:42:12,486 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 00:42:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37759 to 25395. [2023-12-16 00:42:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25395 states, 23534 states have (on average 1.6239483300756352) internal successors, (38218), 23601 states have internal predecessors, (38218), 1405 states have call successors, (1405), 391 states have call predecessors, (1405), 454 states have return successors, (2196), 1466 states have call predecessors, (2196), 1403 states have call successors, (2196) [2023-12-16 00:42:12,566 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-16 00:42:12,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 00:42:12,567 WARN L619 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2023-12-16 00:42:12,568 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-16 00:42:12,571 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 00:42:12,572 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 00:42:12,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:42:12 BoogieIcfgContainer [2023-12-16 00:42:12,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 00:42:12,574 INFO L158 Benchmark]: Toolchain (without parser) took 56942.97ms. Allocated memory was 219.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 146.7MB in the beginning and 1.1GB in the end (delta: -911.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-16 00:42:12,574 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 219.2MB. Free memory is still 174.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 00:42:12,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2330.91ms. Allocated memory was 219.2MB in the beginning and 276.8MB in the end (delta: 57.7MB). Free memory was 146.7MB in the beginning and 118.3MB in the end (delta: 28.4MB). Peak memory consumption was 121.1MB. Max. memory is 8.0GB. [2023-12-16 00:42:12,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 301.84ms. Allocated memory is still 276.8MB. Free memory was 118.3MB in the beginning and 123.1MB in the end (delta: -4.8MB). Peak memory consumption was 58.2MB. Max. memory is 8.0GB. [2023-12-16 00:42:12,575 INFO L158 Benchmark]: Boogie Preprocessor took 542.53ms. Allocated memory was 276.8MB in the beginning and 426.8MB in the end (delta: 149.9MB). Free memory was 123.1MB in the beginning and 261.4MB in the end (delta: -138.3MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. [2023-12-16 00:42:12,575 INFO L158 Benchmark]: RCFGBuilder took 5840.57ms. Allocated memory was 426.8MB in the beginning and 1.0GB in the end (delta: 611.3MB). Free memory was 261.4MB in the beginning and 824.3MB in the end (delta: -562.9MB). Peak memory consumption was 349.4MB. Max. memory is 8.0GB. [2023-12-16 00:42:12,575 INFO L158 Benchmark]: TraceAbstraction took 47919.99ms. Allocated memory was 1.0GB in the beginning and 1.5GB in the end (delta: 484.4MB). Free memory was 823.2MB in the beginning and 1.1GB in the end (delta: -235.1MB). Peak memory consumption was 975.4MB. Max. memory is 8.0GB. [2023-12-16 00:42:12,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 219.2MB. Free memory is still 174.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2330.91ms. Allocated memory was 219.2MB in the beginning and 276.8MB in the end (delta: 57.7MB). Free memory was 146.7MB in the beginning and 118.3MB in the end (delta: 28.4MB). Peak memory consumption was 121.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 301.84ms. Allocated memory is still 276.8MB. Free memory was 118.3MB in the beginning and 123.1MB in the end (delta: -4.8MB). Peak memory consumption was 58.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 542.53ms. Allocated memory was 276.8MB in the beginning and 426.8MB in the end (delta: 149.9MB). Free memory was 123.1MB in the beginning and 261.4MB in the end (delta: -138.3MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. * RCFGBuilder took 5840.57ms. Allocated memory was 426.8MB in the beginning and 1.0GB in the end (delta: 611.3MB). Free memory was 261.4MB in the beginning and 824.3MB in the end (delta: -562.9MB). Peak memory consumption was 349.4MB. Max. memory is 8.0GB. * TraceAbstraction took 47919.99ms. Allocated memory was 1.0GB in the beginning and 1.5GB in the end (delta: 484.4MB). Free memory was 823.2MB in the beginning and 1.1GB in the end (delta: -235.1MB). Peak memory consumption was 975.4MB. 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: 11173]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11173). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 11133]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11133). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 2502 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 47.9s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73205 SdHoareTripleChecker+Valid, 28.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72875 mSDsluCounter, 297840 SdHoareTripleChecker+Invalid, 24.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233209 mSDsCounter, 1227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38327 IncrementalHoareTripleChecker+Invalid, 39554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1227 mSolverCounterUnsat, 64631 mSDtfsCounter, 38327 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13938occurred in iteration=14, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 15220 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 2580 NumberOfCodeBlocks, 2580 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2565 ConstructedInterpolants, 0 QuantifiedInterpolants, 7495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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