/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-cav19/array_init_pair_symmetr2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 09:48:47,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 09:48:47,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 09:48:47,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 09:48:47,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 09:48:47,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 09:48:47,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 09:48:47,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 09:48:47,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 09:48:47,173 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 09:48:47,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 09:48:47,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 09:48:47,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 09:48:47,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 09:48:47,176 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 09:48:47,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 09:48:47,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 09:48:47,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 09:48:47,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 09:48:47,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 09:48:47,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 09:48:47,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 09:48:47,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 09:48:47,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 09:48:47,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 09:48:47,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 09:48:47,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 09:48:47,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 09:48:47,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 09:48:47,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 09:48:47,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 09:48:47,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 09:48:47,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 09:48:47,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 09:48:47,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 09:48:47,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 09:48:47,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 09:48:47,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 09:48:47,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 09:48:47,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 09:48:47,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 09:48:47,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 09:48:47,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 09:48:47,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 09:48:47,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 09:48:47,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 09:48:47,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 09:48:47,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 09:48:47,434 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 09:48:47,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-cav19/array_init_pair_symmetr2.c [2023-12-20 09:48:48,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 09:48:48,855 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 09:48:48,856 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-cav19/array_init_pair_symmetr2.c [2023-12-20 09:48:48,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e477ff5/54dcd8da46a64595a4abe83dbf666db1/FLAGa78e71ed2 [2023-12-20 09:48:48,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e477ff5/54dcd8da46a64595a4abe83dbf666db1 [2023-12-20 09:48:48,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 09:48:48,874 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 09:48:48,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 09:48:48,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 09:48:48,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 09:48:48,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 09:48:48" (1/1) ... [2023-12-20 09:48:48,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a83cc10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:48, skipping insertion in model container [2023-12-20 09:48:48,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 09:48:48" (1/1) ... [2023-12-20 09:48:48,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 09:48:49,040 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-cav19/array_init_pair_symmetr2.c[415,428] [2023-12-20 09:48:49,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 09:48:49,062 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 09:48:49,072 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-cav19/array_init_pair_symmetr2.c[415,428] [2023-12-20 09:48:49,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 09:48:49,107 INFO L206 MainTranslator]: Completed translation [2023-12-20 09:48:49,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49 WrapperNode [2023-12-20 09:48:49,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 09:48:49,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 09:48:49,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 09:48:49,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 09:48:49,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,134 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-12-20 09:48:49,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 09:48:49,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 09:48:49,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 09:48:49,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 09:48:49,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,169 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2023-12-20 09:48:49,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 09:48:49,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 09:48:49,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 09:48:49,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 09:48:49,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (1/1) ... [2023-12-20 09:48:49,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 09:48:49,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 09:48:49,218 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) [2023-12-20 09:48:49,220 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 [2023-12-20 09:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 09:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 09:48:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 09:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 09:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-20 09:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-20 09:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-20 09:48:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-20 09:48:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-20 09:48:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 09:48:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-20 09:48:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-20 09:48:49,355 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 09:48:49,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 09:48:49,569 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 09:48:49,613 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 09:48:49,614 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-20 09:48:49,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 09:48:49 BoogieIcfgContainer [2023-12-20 09:48:49,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 09:48:49,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 09:48:49,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 09:48:49,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 09:48:49,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 09:48:48" (1/3) ... [2023-12-20 09:48:49,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1a4710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 09:48:49, skipping insertion in model container [2023-12-20 09:48:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 09:48:49" (2/3) ... [2023-12-20 09:48:49,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1a4710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 09:48:49, skipping insertion in model container [2023-12-20 09:48:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 09:48:49" (3/3) ... [2023-12-20 09:48:49,624 INFO L112 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2023-12-20 09:48:49,639 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 09:48:49,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 09:48:49,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 09:48:49,710 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;@67cfed90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 09:48:49,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 09:48:49,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) [2023-12-20 09:48:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-20 09:48:49,721 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 09:48:49,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 09:48:49,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 09:48:49,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 09:48:49,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1394429076, now seen corresponding path program 1 times [2023-12-20 09:48:49,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 09:48:49,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018240187] [2023-12-20 09:48:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:49,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 09:48:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 09:48:49,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 09:48:49,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018240187] [2023-12-20 09:48:49,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018240187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 09:48:49,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 09:48:49,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 09:48:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624498296] [2023-12-20 09:48:49,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 09:48:49,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 09:48:49,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 09:48:49,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 09:48:49,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 09:48:49,995 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 09:48:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 09:48:50,078 INFO L93 Difference]: Finished difference Result 44 states and 73 transitions. [2023-12-20 09:48:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 09:48:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-20 09:48:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 09:48:50,086 INFO L225 Difference]: With dead ends: 44 [2023-12-20 09:48:50,086 INFO L226 Difference]: Without dead ends: 23 [2023-12-20 09:48:50,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 09:48:50,093 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 09:48:50,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 09:48:50,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-12-20 09:48:50,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2023-12-20 09:48:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2023-12-20 09:48:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2023-12-20 09:48:50,130 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 8 [2023-12-20 09:48:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 09:48:50,130 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-12-20 09:48:50,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 09:48:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-20 09:48:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-20 09:48:50,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 09:48:50,134 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 09:48:50,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 09:48:50,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 09:48:50,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 09:48:50,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1234834936, now seen corresponding path program 1 times [2023-12-20 09:48:50,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 09:48:50,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350328592] [2023-12-20 09:48:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 09:48:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 09:48:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 09:48:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-20 09:48:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-20 09:48:50,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 09:48:50,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350328592] [2023-12-20 09:48:50,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350328592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 09:48:50,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 09:48:50,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 09:48:50,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998320583] [2023-12-20 09:48:50,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 09:48:50,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 09:48:50,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 09:48:50,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 09:48:50,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 09:48:50,309 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-20 09:48:50,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 09:48:50,374 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2023-12-20 09:48:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 09:48:50,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2023-12-20 09:48:50,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 09:48:50,376 INFO L225 Difference]: With dead ends: 30 [2023-12-20 09:48:50,376 INFO L226 Difference]: Without dead ends: 24 [2023-12-20 09:48:50,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 09:48:50,378 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 09:48:50,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 09:48:50,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-20 09:48:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2023-12-20 09:48:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 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) [2023-12-20 09:48:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-12-20 09:48:50,390 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 25 [2023-12-20 09:48:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 09:48:50,390 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-12-20 09:48:50,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-20 09:48:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-20 09:48:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-20 09:48:50,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 09:48:50,393 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] [2023-12-20 09:48:50,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 09:48:50,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 09:48:50,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 09:48:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash 934488912, now seen corresponding path program 1 times [2023-12-20 09:48:50,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 09:48:50,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799937046] [2023-12-20 09:48:50,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 09:48:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 09:48:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 09:48:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-20 09:48:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-20 09:48:50,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 09:48:50,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799937046] [2023-12-20 09:48:50,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799937046] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 09:48:50,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663925446] [2023-12-20 09:48:50,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:50,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 09:48:50,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 09:48:50,591 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) [2023-12-20 09:48:50,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 09:48:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:50,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 09:48:50,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 09:48:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-20 09:48:50,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 09:48:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-20 09:48:50,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663925446] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 09:48:50,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 09:48:50,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-12-20 09:48:50,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003408485] [2023-12-20 09:48:50,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 09:48:50,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 09:48:50,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 09:48:50,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 09:48:50,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2023-12-20 09:48:50,891 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-20 09:48:51,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 09:48:51,050 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2023-12-20 09:48:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 09:48:51,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 26 [2023-12-20 09:48:51,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 09:48:51,053 INFO L225 Difference]: With dead ends: 58 [2023-12-20 09:48:51,053 INFO L226 Difference]: Without dead ends: 49 [2023-12-20 09:48:51,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2023-12-20 09:48:51,057 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 63 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 09:48:51,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 32 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 09:48:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-20 09:48:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2023-12-20 09:48:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-20 09:48:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-12-20 09:48:51,086 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 26 [2023-12-20 09:48:51,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 09:48:51,087 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-12-20 09:48:51,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-20 09:48:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-12-20 09:48:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 09:48:51,092 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 09:48:51,093 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 09:48:51,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 09:48:51,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 09:48:51,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 09:48:51,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 09:48:51,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1525972372, now seen corresponding path program 2 times [2023-12-20 09:48:51,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 09:48:51,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696039954] [2023-12-20 09:48:51,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:51,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 09:48:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 09:48:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 09:48:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-20 09:48:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 09:48:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 09:48:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 09:48:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-20 09:48:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-20 09:48:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 09:48:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 09:48:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-20 09:48:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-20 09:48:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-12-20 09:48:51,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 09:48:51,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696039954] [2023-12-20 09:48:51,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696039954] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 09:48:51,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176984824] [2023-12-20 09:48:51,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-20 09:48:51,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 09:48:51,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 09:48:51,634 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) [2023-12-20 09:48:51,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 09:48:51,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-20 09:48:51,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 09:48:51,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-20 09:48:51,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 09:48:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-12-20 09:48:51,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 09:48:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-12-20 09:48:52,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176984824] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 09:48:52,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 09:48:52,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2023-12-20 09:48:52,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121230350] [2023-12-20 09:48:52,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 09:48:52,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-20 09:48:52,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 09:48:52,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-20 09:48:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2023-12-20 09:48:52,088 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2023-12-20 09:48:52,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 09:48:52,392 INFO L93 Difference]: Finished difference Result 127 states and 171 transitions. [2023-12-20 09:48:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-20 09:48:52,393 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 80 [2023-12-20 09:48:52,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 09:48:52,396 INFO L225 Difference]: With dead ends: 127 [2023-12-20 09:48:52,396 INFO L226 Difference]: Without dead ends: 115 [2023-12-20 09:48:52,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=208, Invalid=298, Unknown=0, NotChecked=0, Total=506 [2023-12-20 09:48:52,399 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 162 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 09:48:52,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 59 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 09:48:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-20 09:48:52,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 74. [2023-12-20 09:48:52,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-20 09:48:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2023-12-20 09:48:52,426 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 80 [2023-12-20 09:48:52,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 09:48:52,427 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2023-12-20 09:48:52,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2023-12-20 09:48:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-12-20 09:48:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-20 09:48:52,435 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 09:48:52,437 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 09:48:52,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 09:48:52,643 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,SelfDestructingSolverStorable3 [2023-12-20 09:48:52,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 09:48:52,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 09:48:52,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1608222956, now seen corresponding path program 3 times [2023-12-20 09:48:52,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 09:48:52,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67910112] [2023-12-20 09:48:52,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 09:48:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 09:48:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 09:48:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-20 09:48:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 09:48:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 09:48:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 09:48:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-20 09:48:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-20 09:48:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 09:48:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 09:48:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-20 09:48:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-20 09:48:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-20 09:48:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-20 09:48:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-20 09:48:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-20 09:48:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-20 09:48:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-20 09:48:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-20 09:48:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-20 09:48:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-20 09:48:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-20 09:48:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-20 09:48:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 09:48:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-20 09:48:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 09:48:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-20 09:48:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 09:48:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-20 09:48:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-20 09:48:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 1795 trivial. 0 not checked. [2023-12-20 09:48:53,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 09:48:53,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67910112] [2023-12-20 09:48:53,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67910112] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 09:48:53,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015897313] [2023-12-20 09:48:53,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-20 09:48:53,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 09:48:53,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 09:48:53,279 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) [2023-12-20 09:48:53,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 09:48:53,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-12-20 09:48:53,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 09:48:53,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-20 09:48:53,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 09:48:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2023-12-20 09:48:53,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 09:48:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2023-12-20 09:48:54,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015897313] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 09:48:54,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 09:48:54,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 37 [2023-12-20 09:48:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806532585] [2023-12-20 09:48:54,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 09:48:54,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-12-20 09:48:54,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 09:48:54,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-12-20 09:48:54,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2023-12-20 09:48:54,285 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand has 37 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 37 states have internal predecessors, (67), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2023-12-20 09:48:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 09:48:54,932 INFO L93 Difference]: Finished difference Result 265 states and 357 transitions. [2023-12-20 09:48:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 09:48:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 37 states have internal predecessors, (67), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 188 [2023-12-20 09:48:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 09:48:54,938 INFO L225 Difference]: With dead ends: 265 [2023-12-20 09:48:54,938 INFO L226 Difference]: Without dead ends: 247 [2023-12-20 09:48:54,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2023-12-20 09:48:54,940 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 431 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 09:48:54,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 107 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 09:48:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-12-20 09:48:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 146. [2023-12-20 09:48:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 78 states have (on average 1.0384615384615385) internal successors, (81), 78 states have internal predecessors, (81), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-20 09:48:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 213 transitions. [2023-12-20 09:48:54,987 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 213 transitions. Word has length 188 [2023-12-20 09:48:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 09:48:54,989 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 213 transitions. [2023-12-20 09:48:54,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 37 states have internal predecessors, (67), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2023-12-20 09:48:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 213 transitions. [2023-12-20 09:48:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-12-20 09:48:54,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 09:48:54,997 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 66, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 09:48:55,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 09:48:55,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 09:48:55,204 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 09:48:55,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 09:48:55,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1358804460, now seen corresponding path program 4 times [2023-12-20 09:48:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 09:48:55,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211264400] [2023-12-20 09:48:55,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 09:48:55,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 09:48:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 09:48:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 09:48:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-12-20 09:48:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 09:48:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 09:48:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 09:48:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-20 09:48:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-20 09:48:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 09:48:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 09:48:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-20 09:48:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-20 09:48:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-20 09:48:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-20 09:48:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-20 09:48:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-20 09:48:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-20 09:48:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-20 09:48:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-20 09:48:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-20 09:48:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-20 09:48:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-20 09:48:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-20 09:48:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 09:48:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-12-20 09:48:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 09:48:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-20 09:48:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 09:48:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-12-20 09:48:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-12-20 09:48:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-12-20 09:48:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-12-20 09:48:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-20 09:48:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-12-20 09:48:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-12-20 09:48:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-12-20 09:48:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-12-20 09:48:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-12-20 09:48:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-12-20 09:48:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-12-20 09:48:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-12-20 09:48:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-12-20 09:48:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-12-20 09:48:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-12-20 09:48:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-12-20 09:48:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-12-20 09:48:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-12-20 09:48:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-12-20 09:48:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-12-20 09:48:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-12-20 09:48:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-12-20 09:48:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-12-20 09:48:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-12-20 09:48:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-12-20 09:48:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-12-20 09:48:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2023-12-20 09:48:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-12-20 09:48:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-12-20 09:48:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-12-20 09:48:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-12-20 09:48:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-12-20 09:48:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-12-20 09:48:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-12-20 09:48:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-12-20 09:48:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-12-20 09:48:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-12-20 09:48:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 09:48:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10010 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 8833 trivial. 0 not checked. [2023-12-20 09:48:56,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 09:48:56,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211264400] [2023-12-20 09:48:56,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211264400] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 09:48:56,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986499163] [2023-12-20 09:48:56,618 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-20 09:48:56,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 09:48:56,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 09:48:56,619 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) [2023-12-20 09:48:56,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Received shutdown request... [2023-12-20 10:03:32,026 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 [2023-12-20 10:03:32,026 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 [2023-12-20 10:03:33,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-20 10:03:33,227 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2023-12-20 10:03:33,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 137 [2023-12-20 10:03:33,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 10:03:33,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-20 10:03:33,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2023-12-20 10:03:33,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342090910] [2023-12-20 10:03:33,258 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-20 10:03:33,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-20 10:03:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 10:03:33,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-20 10:03:33,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-12-20 10:03:33,260 INFO L87 Difference]: Start difference. First operand 146 states and 213 transitions. Second operand has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 22 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 22 states have call predecessors, (66), 22 states have call successors, (66) [2023-12-20 10:03:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 10:03:33,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-12-20 10:03:33,263 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 10:03:33,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 10:03:33,265 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 10:03:33,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 10:03:33,266 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (146states) and FLOYD_HOARE automaton (currently 2 states, 25 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). [2023-12-20 10:03:33,270 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-12-20 10:03:33,273 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 10:03:33,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 10:03:33 BoogieIcfgContainer [2023-12-20 10:03:33,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 10:03:33,276 INFO L158 Benchmark]: Toolchain (without parser) took 884402.09ms. Allocated memory was 188.7MB in the beginning and 370.1MB in the end (delta: 181.4MB). Free memory was 128.9MB in the beginning and 300.8MB in the end (delta: -171.9MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2023-12-20 10:03:33,276 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 10:03:33,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.57ms. Allocated memory is still 188.7MB. Free memory was 128.6MB in the beginning and 117.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-20 10:03:33,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.28ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 115.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 10:03:33,277 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 188.7MB. Free memory was 115.8MB in the beginning and 114.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 10:03:33,278 INFO L158 Benchmark]: RCFGBuilder took 432.13ms. Allocated memory is still 188.7MB. Free memory was 114.0MB in the beginning and 100.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 10:03:33,278 INFO L158 Benchmark]: TraceAbstraction took 883658.54ms. Allocated memory was 188.7MB in the beginning and 370.1MB in the end (delta: 181.4MB). Free memory was 99.6MB in the beginning and 300.8MB in the end (delta: -201.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 10:03:33,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.57ms. Allocated memory is still 188.7MB. Free memory was 128.6MB in the beginning and 117.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.28ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 115.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 188.7MB. Free memory was 115.8MB in the beginning and 114.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 432.13ms. Allocated memory is still 188.7MB. Free memory was 114.0MB in the beginning and 100.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 883658.54ms. Allocated memory was 188.7MB in the beginning and 370.1MB in the end (delta: 181.4MB). Free memory was 99.6MB in the beginning and 300.8MB in the end (delta: -201.2MB). There was no memory consumed. 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: 8]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8). Cancelled while NwaCegarLoop was constructing difference of abstraction (146states) and FLOYD_HOARE automaton (currently 2 states, 25 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 883.6s, OverallIterations: 6, TraceHistogramMax: 66, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 715 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 346 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 489 IncrementalHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 346 mSolverCounterUnsat, 62 mSDtfsCounter, 489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 878 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=5, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1025 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1307 ConstructedInterpolants, 0 QuantifiedInterpolants, 3071 SizeOfPredicates, 6 NumberOfNonLiveVariables, 642 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 15452/17079 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