/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/array-patterns/array16_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 00:18:04,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 00:18:04,758 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 00:18:04,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 00:18:04,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 00:18:04,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 00:18:04,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 00:18:04,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 00:18:04,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 00:18:04,789 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 00:18:04,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 00:18:04,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 00:18:04,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 00:18:04,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 00:18:04,791 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 00:18:04,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 00:18:04,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 00:18:04,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 00:18:04,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 00:18:04,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 00:18:04,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 00:18:04,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 00:18:04,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 00:18:04,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 00:18:04,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 00:18:04,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 00:18:04,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 00:18:04,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 00:18:04,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 00:18:04,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 00:18:04,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 00:18:04,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 00:18:04,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 00:18:04,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 00:18:04,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 00:18:04,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 00:18:04,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 00:18:04,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 00:18:04,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 00:18:05,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 00:18:05,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 00:18:05,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 00:18:05,012 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 00:18:05,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-patterns/array16_pattern.c [2023-12-16 00:18:06,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 00:18:06,457 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 00:18:06,458 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array16_pattern.c [2023-12-16 00:18:06,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1789f3ec6/eb389353cf144eb4bd9b8357ffaf935f/FLAGfa475db08 [2023-12-16 00:18:06,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1789f3ec6/eb389353cf144eb4bd9b8357ffaf935f [2023-12-16 00:18:06,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 00:18:06,480 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 00:18:06,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 00:18:06,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 00:18:06,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 00:18:06,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb00fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06, skipping insertion in model container [2023-12-16 00:18:06,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 00:18:06,628 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array16_pattern.c[1311,1324] [2023-12-16 00:18:06,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 00:18:06,661 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 00:18:06,670 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array16_pattern.c[1311,1324] [2023-12-16 00:18:06,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 00:18:06,702 INFO L206 MainTranslator]: Completed translation [2023-12-16 00:18:06,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06 WrapperNode [2023-12-16 00:18:06,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 00:18:06,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 00:18:06,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 00:18:06,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 00:18:06,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,740 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2023-12-16 00:18:06,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 00:18:06,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 00:18:06,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 00:18:06,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 00:18:06,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,764 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2023-12-16 00:18:06,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 00:18:06,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 00:18:06,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 00:18:06,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 00:18:06,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (1/1) ... [2023-12-16 00:18:06,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 00:18:06,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 00:18:06,798 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 00:18:06,820 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 00:18:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 00:18:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 00:18:06,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 00:18:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 00:18:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 00:18:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-16 00:18:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 00:18:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 00:18:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 00:18:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 00:18:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 00:18:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 00:18:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-16 00:18:06,929 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 00:18:06,932 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 00:18:07,176 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 00:18:07,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 00:18:07,208 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-16 00:18:07,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:18:07 BoogieIcfgContainer [2023-12-16 00:18:07,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 00:18:07,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 00:18:07,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 00:18:07,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 00:18:07,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:18:06" (1/3) ... [2023-12-16 00:18:07,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4dfb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:18:07, skipping insertion in model container [2023-12-16 00:18:07,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:18:06" (2/3) ... [2023-12-16 00:18:07,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4dfb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:18:07, skipping insertion in model container [2023-12-16 00:18:07,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:18:07" (3/3) ... [2023-12-16 00:18:07,219 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_pattern.c [2023-12-16 00:18:07,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 00:18:07,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 00:18:07,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 00:18:07,281 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;@62e5ec62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 00:18:07,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 00:18:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-16 00:18:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-16 00:18:07,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:18:07,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 00:18:07,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:18:07,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:18:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1700327762, now seen corresponding path program 1 times [2023-12-16 00:18:07,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:18:07,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487815609] [2023-12-16 00:18:07,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:07,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:18:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:18:07,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:18:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487815609] [2023-12-16 00:18:07,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 00:18:07,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376695127] [2023-12-16 00:18:07,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:07,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 00:18:07,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 00:18:07,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 00:18:07,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 00:18:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:18:07,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 00:18:07,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 00:18:07,487 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 00:18:07,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 00:18:07,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376695127] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:18:07,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:18:07,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 00:18:07,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248593801] [2023-12-16 00:18:07,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:18:07,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 00:18:07,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:18:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 00:18:07,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 00:18:07,555 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 00:18:07,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:18:07,585 INFO L93 Difference]: Finished difference Result 50 states and 82 transitions. [2023-12-16 00:18:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 00:18:07,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-12-16 00:18:07,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:18:07,594 INFO L225 Difference]: With dead ends: 50 [2023-12-16 00:18:07,594 INFO L226 Difference]: Without dead ends: 24 [2023-12-16 00:18:07,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 00:18:07,598 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 00:18:07,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 00:18:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-16 00:18:07,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-12-16 00:18:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-16 00:18:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2023-12-16 00:18:07,621 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 14 [2023-12-16 00:18:07,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:18:07,622 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2023-12-16 00:18:07,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 00:18:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-12-16 00:18:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 00:18:07,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:18:07,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 00:18:07,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 00:18:07,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 00:18:07,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:18:07,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:18:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1347272957, now seen corresponding path program 1 times [2023-12-16 00:18:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:18:07,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061641222] [2023-12-16 00:18:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:18:07,886 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 00:18:07,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971845846] [2023-12-16 00:18:07,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:07,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 00:18:07,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 00:18:07,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 00:18:07,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 00:18:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:18:07,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 00:18:07,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 00:18:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-16 00:18:08,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 00:18:08,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:18:08,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061641222] [2023-12-16 00:18:08,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 00:18:08,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971845846] [2023-12-16 00:18:08,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971845846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:18:08,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:18:08,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 00:18:08,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664315244] [2023-12-16 00:18:08,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:18:08,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 00:18:08,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:18:08,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 00:18:08,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 00:18:08,062 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 00:18:08,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:18:08,147 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2023-12-16 00:18:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 00:18:08,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2023-12-16 00:18:08,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:18:08,148 INFO L225 Difference]: With dead ends: 52 [2023-12-16 00:18:08,148 INFO L226 Difference]: Without dead ends: 34 [2023-12-16 00:18:08,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-16 00:18:08,150 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 41 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 00:18:08,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 34 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 00:18:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-12-16 00:18:08,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2023-12-16 00:18:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-16 00:18:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2023-12-16 00:18:08,163 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 27 [2023-12-16 00:18:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:18:08,163 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-12-16 00:18:08,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 00:18:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-12-16 00:18:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-16 00:18:08,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:18:08,164 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 00:18:08,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 00:18:08,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 00:18:08,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:18:08,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:18:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash -186732892, now seen corresponding path program 1 times [2023-12-16 00:18:08,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:18:08,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211784222] [2023-12-16 00:18:08,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:18:08,383 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 00:18:08,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52649318] [2023-12-16 00:18:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:08,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 00:18:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 00:18:08,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 00:18:08,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 00:18:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:18:08,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 00:18:08,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 00:18:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 00:18:08,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 00:18:08,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 00:18:08,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211784222] [2023-12-16 00:18:08,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 00:18:08,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52649318] [2023-12-16 00:18:08,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52649318] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 00:18:08,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 00:18:08,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 00:18:08,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72618141] [2023-12-16 00:18:08,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 00:18:08,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 00:18:08,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 00:18:08,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 00:18:08,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 00:18:08,500 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 00:18:08,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 00:18:08,536 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2023-12-16 00:18:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 00:18:08,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2023-12-16 00:18:08,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 00:18:08,537 INFO L225 Difference]: With dead ends: 54 [2023-12-16 00:18:08,537 INFO L226 Difference]: Without dead ends: 32 [2023-12-16 00:18:08,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 00:18:08,538 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 19 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 00:18:08,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 41 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 00:18:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-16 00:18:08,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-12-16 00:18:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-16 00:18:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2023-12-16 00:18:08,543 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 33 [2023-12-16 00:18:08,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 00:18:08,543 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-12-16 00:18:08,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-16 00:18:08,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-12-16 00:18:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 00:18:08,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 00:18:08,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 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 00:18:08,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-16 00:18:08,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 00:18:08,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 00:18:08,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 00:18:08,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1854339750, now seen corresponding path program 1 times [2023-12-16 00:18:08,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 00:18:08,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611704484] [2023-12-16 00:18:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 00:18:08,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 00:18:08,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66914835] [2023-12-16 00:18:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 00:18:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 00:18:08,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 00:18:08,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 00:18:08,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 00:18:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 00:18:08,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-16 00:18:08,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 00:18:08,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-16 00:18:09,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 135 [2023-12-16 00:18:09,317 INFO L349 Elim1Store]: treesize reduction 118, result has 22.9 percent of original size [2023-12-16 00:18:09,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 601 [2023-12-16 00:18:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-16 00:18:10,206 INFO L349 Elim1Store]: treesize reduction 420, result has 2.8 percent of original size [2023-12-16 00:18:10,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 301 treesize of output 442 [2023-12-16 00:18:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:11,230 INFO L349 Elim1Store]: treesize reduction 347, result has 25.2 percent of original size [2023-12-16 00:18:11,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 493 treesize of output 880 [2023-12-16 00:18:13,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:13,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 30 [2023-12-16 00:18:13,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:13,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 00:18:13,827 INFO L349 Elim1Store]: treesize reduction 70, result has 42.1 percent of original size [2023-12-16 00:18:13,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 314 treesize of output 225 [2023-12-16 00:18:30,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1893 treesize of output 1765 Received shutdown request... [2023-12-16 00:19:25,120 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 00:19:25,137 WARN L235 SmtUtils]: Removed 20 from assertion stack [2023-12-16 00:19:25,138 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 00:19:25,151 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 00:19:25,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-16 00:19:25,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 00:19:25,339 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 36 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1249 for 54265ms.. [2023-12-16 00:19:25,343 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 00:19:25,344 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 00:19:25,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:19:25 BoogieIcfgContainer [2023-12-16 00:19:25,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 00:19:25,346 INFO L158 Benchmark]: Toolchain (without parser) took 78866.52ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 177.6MB in the beginning and 214.1MB in the end (delta: -36.6MB). Peak memory consumption was 150.0MB. Max. memory is 8.0GB. [2023-12-16 00:19:25,346 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 00:19:25,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 229.6MB. Free memory was 177.1MB in the beginning and 166.0MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 00:19:25,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.30ms. Allocated memory is still 229.6MB. Free memory was 165.6MB in the beginning and 163.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 00:19:25,347 INFO L158 Benchmark]: Boogie Preprocessor took 33.32ms. Allocated memory is still 229.6MB. Free memory was 163.9MB in the beginning and 161.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 00:19:25,347 INFO L158 Benchmark]: RCFGBuilder took 433.16ms. Allocated memory is still 229.6MB. Free memory was 161.8MB in the beginning and 148.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 00:19:25,347 INFO L158 Benchmark]: TraceAbstraction took 78136.25ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 147.6MB in the beginning and 214.1MB in the end (delta: -66.5MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. [2023-12-16 00:19:25,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 229.6MB. Free memory was 177.1MB in the beginning and 166.0MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.30ms. Allocated memory is still 229.6MB. Free memory was 165.6MB in the beginning and 163.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.32ms. Allocated memory is still 229.6MB. Free memory was 163.9MB in the beginning and 161.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 433.16ms. Allocated memory is still 229.6MB. Free memory was 161.8MB in the beginning and 148.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 78136.25ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 147.6MB in the beginning and 214.1MB in the end (delta: -66.5MB). Peak memory consumption was 120.7MB. 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: 33]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 33). Cancelled while NwaCegarLoop was analyzing trace of length 36 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1249 for 54265ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.1s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 64 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 6 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 26/26 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