/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 10:15:19,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 10:15:19,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 10:15:19,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 10:15:19,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 10:15:19,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 10:15:19,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 10:15:19,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 10:15:19,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 10:15:19,236 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 10:15:19,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 10:15:19,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 10:15:19,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 10:15:19,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 10:15:19,237 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 10:15:19,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 10:15:19,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 10:15:19,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 10:15:19,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 10:15:19,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 10:15:19,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 10:15:19,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 10:15:19,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 10:15:19,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 10:15:19,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 10:15:19,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 10:15:19,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 10:15:19,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 10:15:19,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 10:15:19,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 10:15:19,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 10:15:19,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 10:15:19,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 10:15:19,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 10:15:19,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 10:15:19,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 10:15:19,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 10:15:19,243 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 10:15:19,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 10:15:19,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 10:15:19,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 10:15:19,419 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 10:15:19,419 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 10:15:19,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-95.i [2023-12-19 10:15:20,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 10:15:20,576 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 10:15:20,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-95.i [2023-12-19 10:15:20,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc2a5033/f67b5e59c45e4ed88812f2fd83f9304f/FLAGa47969f66 [2023-12-19 10:15:20,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc2a5033/f67b5e59c45e4ed88812f2fd83f9304f [2023-12-19 10:15:20,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 10:15:20,607 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 10:15:20,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 10:15:20,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 10:15:20,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 10:15:20,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e437790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20, skipping insertion in model container [2023-12-19 10:15:20,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 10:15:20,761 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-95.i[919,932] [2023-12-19 10:15:20,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 10:15:20,833 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 10:15:20,840 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-95.i[919,932] [2023-12-19 10:15:20,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 10:15:20,883 INFO L206 MainTranslator]: Completed translation [2023-12-19 10:15:20,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20 WrapperNode [2023-12-19 10:15:20,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 10:15:20,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 10:15:20,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 10:15:20,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 10:15:20,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,943 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2023-12-19 10:15:20,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 10:15:20,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 10:15:20,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 10:15:20,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 10:15:20,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,976 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 10:15:20,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:20,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 10:15:20,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 10:15:20,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 10:15:20,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 10:15:21,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (1/1) ... [2023-12-19 10:15:21,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 10:15:21,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:15:21,041 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) [2023-12-19 10:15:21,060 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 [2023-12-19 10:15:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 10:15:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 10:15:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 10:15:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 10:15:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 10:15:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 10:15:21,142 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 10:15:21,143 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 10:15:21,538 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 10:15:21,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 10:15:21,572 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 10:15:21,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:15:21 BoogieIcfgContainer [2023-12-19 10:15:21,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 10:15:21,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 10:15:21,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 10:15:21,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 10:15:21,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 10:15:20" (1/3) ... [2023-12-19 10:15:21,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3e809d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 10:15:21, skipping insertion in model container [2023-12-19 10:15:21,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 10:15:20" (2/3) ... [2023-12-19 10:15:21,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3e809d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 10:15:21, skipping insertion in model container [2023-12-19 10:15:21,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 10:15:21" (3/3) ... [2023-12-19 10:15:21,580 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-95.i [2023-12-19 10:15:21,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 10:15:21,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 10:15:21,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 10:15:21,651 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;@3c74b128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 10:15:21,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 10:15:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 62 states have (on average 1.5) internal successors, (93), 63 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 10:15:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-19 10:15:21,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:15:21,672 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:15:21,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:15:21,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:15:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1286852203, now seen corresponding path program 1 times [2023-12-19 10:15:21,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:15:21,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516840666] [2023-12-19 10:15:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:21,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:15:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:15:21,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:15:21,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516840666] [2023-12-19 10:15:21,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 10:15:21,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407996583] [2023-12-19 10:15:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:21,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:15:21,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:15:21,894 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) [2023-12-19 10:15:21,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 10:15:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:15:22,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 10:15:22,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:15:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-12-19 10:15:22,145 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 10:15:22,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407996583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:15:22,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:15:22,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 10:15:22,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303417952] [2023-12-19 10:15:22,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:15:22,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 10:15:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:15:22,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 10:15:22,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 10:15:22,185 INFO L87 Difference]: Start difference. First operand has 99 states, 62 states have (on average 1.5) internal successors, (93), 63 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-19 10:15:22,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:15:22,220 INFO L93 Difference]: Finished difference Result 194 states and 352 transitions. [2023-12-19 10:15:22,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 10:15:22,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2023-12-19 10:15:22,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:15:22,228 INFO L225 Difference]: With dead ends: 194 [2023-12-19 10:15:22,228 INFO L226 Difference]: Without dead ends: 96 [2023-12-19 10:15:22,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 10:15:22,233 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 10:15:22,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 10:15:22,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-19 10:15:22,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-12-19 10:15:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 10:15:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2023-12-19 10:15:22,268 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 214 [2023-12-19 10:15:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:15:22,269 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2023-12-19 10:15:22,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-19 10:15:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2023-12-19 10:15:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-19 10:15:22,274 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:15:22,274 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:15:22,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 10:15:22,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 10:15:22,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:15:22,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:15:22,477 INFO L85 PathProgramCache]: Analyzing trace with hash 142215587, now seen corresponding path program 1 times [2023-12-19 10:15:22,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:15:22,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888032225] [2023-12-19 10:15:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:22,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:15:22,551 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:15:22,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149851281] [2023-12-19 10:15:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:22,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:15:22,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:15:22,578 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) [2023-12-19 10:15:22,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 10:15:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:15:22,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 10:15:22,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:15:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 945 proven. 27 refuted. 0 times theorem prover too weak. 1272 trivial. 0 not checked. [2023-12-19 10:15:22,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 10:15:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 72 proven. 27 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-12-19 10:15:23,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:15:23,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888032225] [2023-12-19 10:15:23,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:15:23,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149851281] [2023-12-19 10:15:23,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149851281] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 10:15:23,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 10:15:23,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-19 10:15:23,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844700104] [2023-12-19 10:15:23,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 10:15:23,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 10:15:23,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:15:23,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 10:15:23,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 10:15:23,129 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-19 10:15:23,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:15:23,359 INFO L93 Difference]: Finished difference Result 199 states and 312 transitions. [2023-12-19 10:15:23,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 10:15:23,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 214 [2023-12-19 10:15:23,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:15:23,362 INFO L225 Difference]: With dead ends: 199 [2023-12-19 10:15:23,362 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 10:15:23,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 420 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 10:15:23,363 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 162 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 10:15:23,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 261 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 10:15:23,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 10:15:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2023-12-19 10:15:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 63 states have (on average 1.380952380952381) internal successors, (87), 63 states have internal predecessors, (87), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 10:15:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 155 transitions. [2023-12-19 10:15:23,377 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 155 transitions. Word has length 214 [2023-12-19 10:15:23,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:15:23,377 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 155 transitions. [2023-12-19 10:15:23,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-19 10:15:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2023-12-19 10:15:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-19 10:15:23,380 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:15:23,382 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:15:23,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 10:15:23,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 10:15:23,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:15:23,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:15:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash -878852767, now seen corresponding path program 1 times [2023-12-19 10:15:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:15:23,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572852379] [2023-12-19 10:15:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:23,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:15:23,651 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:15:23,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249283393] [2023-12-19 10:15:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:23,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:15:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:15:23,669 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) [2023-12-19 10:15:23,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 10:15:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:15:23,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 10:15:23,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 10:15:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-19 10:15:24,001 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 10:15:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 10:15:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572852379] [2023-12-19 10:15:24,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 10:15:24,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249283393] [2023-12-19 10:15:24,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249283393] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 10:15:24,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 10:15:24,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 10:15:24,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017687743] [2023-12-19 10:15:24,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 10:15:24,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 10:15:24,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 10:15:24,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 10:15:24,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 10:15:24,004 INFO L87 Difference]: Start difference. First operand 100 states and 155 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-19 10:15:24,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 10:15:24,164 INFO L93 Difference]: Finished difference Result 299 states and 464 transitions. [2023-12-19 10:15:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 10:15:24,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2023-12-19 10:15:24,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 10:15:24,172 INFO L225 Difference]: With dead ends: 299 [2023-12-19 10:15:24,172 INFO L226 Difference]: Without dead ends: 200 [2023-12-19 10:15:24,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 10:15:24,176 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 103 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 10:15:24,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 409 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 10:15:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-12-19 10:15:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 192. [2023-12-19 10:15:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 119 states have (on average 1.361344537815126) internal successors, (162), 119 states have internal predecessors, (162), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-19 10:15:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 298 transitions. [2023-12-19 10:15:24,214 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 298 transitions. Word has length 214 [2023-12-19 10:15:24,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 10:15:24,214 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 298 transitions. [2023-12-19 10:15:24,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-19 10:15:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 298 transitions. [2023-12-19 10:15:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-19 10:15:24,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 10:15:24,218 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 10:15:24,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 10:15:24,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:15:24,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 10:15:24,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 10:15:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -485825757, now seen corresponding path program 1 times [2023-12-19 10:15:24,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 10:15:24,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654817169] [2023-12-19 10:15:24,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:24,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 10:15:24,495 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 10:15:24,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [751455512] [2023-12-19 10:15:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 10:15:24,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:15:24,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 10:15:24,501 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) [2023-12-19 10:15:24,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 10:15:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 10:15:24,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-19 10:15:24,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-19 10:29:45,554 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 [2023-12-19 10:29:45,573 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 [2023-12-19 10:29:46,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 10:29:46,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-19 10:29:46,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 10:29:46,272 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 215 with TraceHistMax 34,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-53-6-4-5-3-5-2-5-3-4-3-6-3-6-3-6-3-5-3-3-3-6-3-6-3-5-3-6-3-5-2-3-3-6-2-5-2-6-2-6-3-5-3-6-3-5-3-6-3-5-2-4-2-4-3-6-3-6-4-6-3-6-4-6-4-7-4-7-4-7-5-7-7-6-6-5-5-3-3-2-2-2-1 context. [2023-12-19 10:29:46,275 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-19 10:29:46,277 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 10:29:46,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 10:29:46 BoogieIcfgContainer [2023-12-19 10:29:46,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 10:29:46,279 INFO L158 Benchmark]: Toolchain (without parser) took 865672.46ms. Allocated memory was 187.7MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 151.2MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 5.7GB. Max. memory is 8.0GB. [2023-12-19 10:29:46,279 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 10:29:46,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.35ms. Allocated memory is still 187.7MB. Free memory was 150.8MB in the beginning and 134.5MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-19 10:29:46,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.31ms. Allocated memory is still 187.7MB. Free memory was 134.5MB in the beginning and 130.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 10:29:46,280 INFO L158 Benchmark]: Boogie Preprocessor took 53.95ms. Allocated memory is still 187.7MB. Free memory was 130.3MB in the beginning and 124.7MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-19 10:29:46,280 INFO L158 Benchmark]: RCFGBuilder took 573.96ms. Allocated memory is still 187.7MB. Free memory was 124.7MB in the beginning and 158.1MB in the end (delta: -33.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-19 10:29:46,281 INFO L158 Benchmark]: TraceAbstraction took 864704.19ms. Allocated memory was 187.7MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 157.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 5.7GB. Max. memory is 8.0GB. [2023-12-19 10:29:46,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.35ms. Allocated memory is still 187.7MB. Free memory was 150.8MB in the beginning and 134.5MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.31ms. Allocated memory is still 187.7MB. Free memory was 134.5MB in the beginning and 130.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.95ms. Allocated memory is still 187.7MB. Free memory was 130.3MB in the beginning and 124.7MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 573.96ms. Allocated memory is still 187.7MB. Free memory was 124.7MB in the beginning and 158.1MB in the end (delta: -33.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 864704.19ms. Allocated memory was 187.7MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 157.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 5.7GB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 215 with TraceHistMax 34,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-53-6-4-5-3-5-2-5-3-4-3-6-3-6-3-6-3-5-3-3-3-6-3-6-3-5-3-6-3-5-2-3-3-6-2-5-2-6-2-6-3-5-3-6-3-5-3-6-3-5-2-4-2-4-3-6-3-6-4-6-3-6-4-6-4-7-4-7-4-7-5-7-7-6-6-5-5-3-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 864.6s, OverallIterations: 4, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 265 mSDsluCounter, 820 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 424 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 396 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 857 GetRequests, 844 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 856 NumberOfCodeBlocks, 856 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 852 ConstructedInterpolants, 0 QuantifiedInterpolants, 1626 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1469 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 8922/8976 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