/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_operatoramount_amount250_file-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:07:28,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:07:28,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:07:28,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:07:28,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:07:28,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:07:28,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:07:28,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:07:28,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:07:28,971 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:07:28,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:07:28,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:07:28,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:07:28,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:07:28,973 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:07:28,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:07:28,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:07:28,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:07:28,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:07:28,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:07:28,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:07:28,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:07:28,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:07:28,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:07:28,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:07:28,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:07:28,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:07:28,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:07:28,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:07:28,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:07:28,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:07:28,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:07:28,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:07:28,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:07:28,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:07:28,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:07:28,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:07:28,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:07:28,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:07:28,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:07:28,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:07:28,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:07:28,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:07:28,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:07:29,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:07:29,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:07:29,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:07:29,154 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:07:29,155 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:07:29,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-12.i [2023-12-15 21:07:30,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:07:30,308 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:07:30,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-12.i [2023-12-15 21:07:30,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3817bd1/32f084ece0d746588f3782fbaa3e9c71/FLAG633d3a2ac [2023-12-15 21:07:30,331 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3817bd1/32f084ece0d746588f3782fbaa3e9c71 [2023-12-15 21:07:30,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:07:30,333 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:07:30,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:07:30,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:07:30,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:07:30,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffcd504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30, skipping insertion in model container [2023-12-15 21:07:30,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:07:30,486 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_operatoramount_amount250_file-12.i[916,929] [2023-12-15 21:07:30,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:07:30,621 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:07:30,631 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_operatoramount_amount250_file-12.i[916,929] [2023-12-15 21:07:30,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:07:30,719 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:07:30,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30 WrapperNode [2023-12-15 21:07:30,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:07:30,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:07:30,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:07:30,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:07:30,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,821 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 466 [2023-12-15 21:07:30,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:07:30,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:07:30,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:07:30,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:07:30,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,886 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]. [2023-12-15 21:07:30,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:07:30,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:07:30,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:07:30,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:07:30,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (1/1) ... [2023-12-15 21:07:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:07:31,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:31,023 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) [2023-12-15 21:07:31,039 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 [2023-12-15 21:07:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:07:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:07:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:07:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:07:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:07:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:07:31,148 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:07:31,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:07:31,718 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:07:31,756 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:07:31,757 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:07:31,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:07:31 BoogieIcfgContainer [2023-12-15 21:07:31,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:07:31,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:07:31,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:07:31,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:07:31,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:07:30" (1/3) ... [2023-12-15 21:07:31,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c614e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:07:31, skipping insertion in model container [2023-12-15 21:07:31,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:07:30" (2/3) ... [2023-12-15 21:07:31,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c614e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:07:31, skipping insertion in model container [2023-12-15 21:07:31,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:07:31" (3/3) ... [2023-12-15 21:07:31,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-12.i [2023-12-15 21:07:31,775 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:07:31,775 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:07:31,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:07:31,820 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;@26f9824b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:07:31,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:07:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 122 states have (on average 1.5245901639344261) internal successors, (186), 123 states have internal predecessors, (186), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-15 21:07:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-15 21:07:31,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:31,848 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:31,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:31,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:31,855 INFO L85 PathProgramCache]: Analyzing trace with hash 409360517, now seen corresponding path program 1 times [2023-12-15 21:07:31,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:31,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910834007] [2023-12-15 21:07:31,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:32,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:32,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910834007] [2023-12-15 21:07:32,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:07:32,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661473356] [2023-12-15 21:07:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:32,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:32,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:32,102 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) [2023-12-15 21:07:32,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:07:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:32,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:07:32,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2023-12-15 21:07:32,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:07:32,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661473356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:32,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:32,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:07:32,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752305231] [2023-12-15 21:07:32,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:32,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:07:32,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:07:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:07:32,462 INFO L87 Difference]: Start difference. First operand has 174 states, 122 states have (on average 1.5245901639344261) internal successors, (186), 123 states have internal predecessors, (186), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-15 21:07:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:32,506 INFO L93 Difference]: Finished difference Result 331 states and 591 transitions. [2023-12-15 21:07:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:07:32,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 313 [2023-12-15 21:07:32,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:32,513 INFO L225 Difference]: With dead ends: 331 [2023-12-15 21:07:32,513 INFO L226 Difference]: Without dead ends: 158 [2023-12-15 21:07:32,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:07:32,519 INFO L413 NwaCegarLoop]: 250 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, 250 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 [2023-12-15 21:07:32,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:07:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-15 21:07:32,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2023-12-15 21:07:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 107 states have (on average 1.4485981308411215) internal successors, (155), 107 states have internal predecessors, (155), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-15 21:07:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 253 transitions. [2023-12-15 21:07:32,559 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 253 transitions. Word has length 313 [2023-12-15 21:07:32,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:32,559 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 253 transitions. [2023-12-15 21:07:32,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-15 21:07:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 253 transitions. [2023-12-15 21:07:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-15 21:07:32,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:32,569 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:32,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:32,778 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 [2023-12-15 21:07:32,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:32,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:32,779 INFO L85 PathProgramCache]: Analyzing trace with hash -248160813, now seen corresponding path program 1 times [2023-12-15 21:07:32,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:32,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148374295] [2023-12-15 21:07:32,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:32,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:32,887 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:32,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17105369] [2023-12-15 21:07:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:32,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:32,899 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) [2023-12-15 21:07:32,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:07:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:33,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 21:07:33,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2128 proven. 96 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-12-15 21:07:33,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:07:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 48 proven. 96 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2023-12-15 21:07:33,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:33,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148374295] [2023-12-15 21:07:33,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:33,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17105369] [2023-12-15 21:07:33,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17105369] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:07:33,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:07:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-15 21:07:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441683044] [2023-12-15 21:07:33,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:07:33,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 21:07:33,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 21:07:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-15 21:07:33,615 INFO L87 Difference]: Start difference. First operand 158 states and 253 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (81), 2 states have call predecessors, (81), 4 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2023-12-15 21:07:33,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:33,995 INFO L93 Difference]: Finished difference Result 321 states and 510 transitions. [2023-12-15 21:07:33,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 21:07:33,995 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (81), 2 states have call predecessors, (81), 4 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 313 [2023-12-15 21:07:33,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:34,002 INFO L225 Difference]: With dead ends: 321 [2023-12-15 21:07:34,003 INFO L226 Difference]: Without dead ends: 164 [2023-12-15 21:07:34,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 616 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-15 21:07:34,005 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 162 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:34,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 642 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 21:07:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-15 21:07:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2023-12-15 21:07:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 110 states have internal predecessors, (157), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-15 21:07:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 255 transitions. [2023-12-15 21:07:34,022 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 255 transitions. Word has length 313 [2023-12-15 21:07:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:34,022 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 255 transitions. [2023-12-15 21:07:34,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (81), 2 states have call predecessors, (81), 4 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2023-12-15 21:07:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 255 transitions. [2023-12-15 21:07:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-12-15 21:07:34,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:34,026 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:34,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-15 21:07:34,232 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 [2023-12-15 21:07:34,233 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:34,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:34,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1355176744, now seen corresponding path program 1 times [2023-12-15 21:07:34,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:34,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079879699] [2023-12-15 21:07:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:34,274 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:34,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1187962258] [2023-12-15 21:07:34,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:34,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:34,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:34,276 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) [2023-12-15 21:07:34,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:07:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:34,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 21:07:34,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2388 proven. 66 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2023-12-15 21:07:34,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:07:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2023-12-15 21:07:34,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:34,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079879699] [2023-12-15 21:07:34,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:34,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187962258] [2023-12-15 21:07:34,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187962258] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:07:34,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:07:34,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-15 21:07:34,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786308693] [2023-12-15 21:07:34,881 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:07:34,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 21:07:34,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:34,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 21:07:34,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-15 21:07:34,883 INFO L87 Difference]: Start difference. First operand 162 states and 255 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2023-12-15 21:07:35,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:35,171 INFO L93 Difference]: Finished difference Result 329 states and 514 transitions. [2023-12-15 21:07:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 21:07:35,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 314 [2023-12-15 21:07:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:35,175 INFO L225 Difference]: With dead ends: 329 [2023-12-15 21:07:35,175 INFO L226 Difference]: Without dead ends: 168 [2023-12-15 21:07:35,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-12-15 21:07:35,178 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 168 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:35,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 800 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 21:07:35,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-15 21:07:35,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 166. [2023-12-15 21:07:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 113 states have (on average 1.407079646017699) internal successors, (159), 113 states have internal predecessors, (159), 49 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-15 21:07:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 257 transitions. [2023-12-15 21:07:35,214 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 257 transitions. Word has length 314 [2023-12-15 21:07:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:35,216 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 257 transitions. [2023-12-15 21:07:35,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 3 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2023-12-15 21:07:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 257 transitions. [2023-12-15 21:07:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-15 21:07:35,220 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:35,221 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:35,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:35,426 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 [2023-12-15 21:07:35,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:35,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:35,428 INFO L85 PathProgramCache]: Analyzing trace with hash 105352764, now seen corresponding path program 1 times [2023-12-15 21:07:35,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:35,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658690621] [2023-12-15 21:07:35,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:35,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:35,486 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:35,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1202673596] [2023-12-15 21:07:35,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:35,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:35,489 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) [2023-12-15 21:07:35,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:07:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:35,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 21:07:35,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-15 21:07:35,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:07:35,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:35,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658690621] [2023-12-15 21:07:35,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:35,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202673596] [2023-12-15 21:07:35,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202673596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:35,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:35,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:07:35,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376427558] [2023-12-15 21:07:35,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:35,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:07:35,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:07:35,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:07:35,735 INFO L87 Difference]: Start difference. First operand 166 states and 257 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-15 21:07:35,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:35,933 INFO L93 Difference]: Finished difference Result 607 states and 942 transitions. [2023-12-15 21:07:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:07:35,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2023-12-15 21:07:35,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:35,936 INFO L225 Difference]: With dead ends: 607 [2023-12-15 21:07:35,936 INFO L226 Difference]: Without dead ends: 442 [2023-12-15 21:07:35,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:07:35,937 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 395 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:35,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1254 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 21:07:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-12-15 21:07:35,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 329. [2023-12-15 21:07:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 224 states have (on average 1.3883928571428572) internal successors, (311), 224 states have internal predecessors, (311), 98 states have call successors, (98), 6 states have call predecessors, (98), 6 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-12-15 21:07:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 507 transitions. [2023-12-15 21:07:35,966 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 507 transitions. Word has length 315 [2023-12-15 21:07:35,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:35,967 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 507 transitions. [2023-12-15 21:07:35,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-15 21:07:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 507 transitions. [2023-12-15 21:07:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-15 21:07:35,970 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:35,970 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:35,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:36,176 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 [2023-12-15 21:07:36,176 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:36,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:36,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1143751866, now seen corresponding path program 1 times [2023-12-15 21:07:36,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:36,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243581126] [2023-12-15 21:07:36,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:36,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:36,224 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:36,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416646756] [2023-12-15 21:07:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:36,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:36,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:36,225 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:07:36,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:07:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:36,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 21:07:36,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-15 21:07:36,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:07:36,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:36,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243581126] [2023-12-15 21:07:36,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:36,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416646756] [2023-12-15 21:07:36,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416646756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:36,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:36,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 21:07:36,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465775151] [2023-12-15 21:07:36,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:36,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 21:07:36,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:36,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 21:07:36,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:07:36,559 INFO L87 Difference]: Start difference. First operand 329 states and 507 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-15 21:07:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:36,788 INFO L93 Difference]: Finished difference Result 763 states and 1171 transitions. [2023-12-15 21:07:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:07:36,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2023-12-15 21:07:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:36,790 INFO L225 Difference]: With dead ends: 763 [2023-12-15 21:07:36,790 INFO L226 Difference]: Without dead ends: 418 [2023-12-15 21:07:36,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:07:36,792 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 155 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:36,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1164 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 21:07:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2023-12-15 21:07:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 415. [2023-12-15 21:07:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 293 states have (on average 1.3890784982935154) internal successors, (407), 294 states have internal predecessors, (407), 114 states have call successors, (114), 7 states have call predecessors, (114), 7 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-15 21:07:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 635 transitions. [2023-12-15 21:07:36,823 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 635 transitions. Word has length 315 [2023-12-15 21:07:36,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:36,823 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 635 transitions. [2023-12-15 21:07:36,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-15 21:07:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 635 transitions. [2023-12-15 21:07:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-12-15 21:07:36,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:36,826 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:36,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-15 21:07:37,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:37,034 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:37,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:37,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1766770648, now seen corresponding path program 1 times [2023-12-15 21:07:37,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:37,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815066710] [2023-12-15 21:07:37,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:37,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:37,069 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:37,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27021938] [2023-12-15 21:07:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:37,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:37,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:37,071 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:07:37,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:07:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:37,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 21:07:37,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-12-15 21:07:37,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:07:37,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815066710] [2023-12-15 21:07:37,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27021938] [2023-12-15 21:07:37,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27021938] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:07:37,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:07:37,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:07:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656218517] [2023-12-15 21:07:37,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:07:37,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:07:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:37,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:07:37,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:07:37,508 INFO L87 Difference]: Start difference. First operand 415 states and 635 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-15 21:07:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:37,654 INFO L93 Difference]: Finished difference Result 1243 states and 1903 transitions. [2023-12-15 21:07:37,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:07:37,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 316 [2023-12-15 21:07:37,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:37,658 INFO L225 Difference]: With dead ends: 1243 [2023-12-15 21:07:37,658 INFO L226 Difference]: Without dead ends: 829 [2023-12-15 21:07:37,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:07:37,661 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 112 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:37,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 626 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:07:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2023-12-15 21:07:37,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 825. [2023-12-15 21:07:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 582 states have (on average 1.3848797250859106) internal successors, (806), 584 states have internal predecessors, (806), 228 states have call successors, (228), 14 states have call predecessors, (228), 14 states have return successors, (228), 226 states have call predecessors, (228), 228 states have call successors, (228) [2023-12-15 21:07:37,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1262 transitions. [2023-12-15 21:07:37,728 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1262 transitions. Word has length 316 [2023-12-15 21:07:37,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:37,729 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1262 transitions. [2023-12-15 21:07:37,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2023-12-15 21:07:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1262 transitions. [2023-12-15 21:07:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-12-15 21:07:37,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:37,733 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:37,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:37,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:37,939 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:37,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:37,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2133829862, now seen corresponding path program 1 times [2023-12-15 21:07:37,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:37,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478453253] [2023-12-15 21:07:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:37,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:37,971 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:37,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534163797] [2023-12-15 21:07:37,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:37,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:37,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:37,973 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:07:38,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 21:07:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:07:38,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-15 21:07:38,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:07:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 1470 proven. 117 refuted. 0 times theorem prover too weak. 3117 trivial. 0 not checked. [2023-12-15 21:07:38,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:07:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 27 proven. 117 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2023-12-15 21:07:39,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:07:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478453253] [2023-12-15 21:07:39,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:07:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534163797] [2023-12-15 21:07:39,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534163797] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:07:39,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:07:39,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-12-15 21:07:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836892820] [2023-12-15 21:07:39,118 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:07:39,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-15 21:07:39,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:07:39,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-15 21:07:39,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-12-15 21:07:39,119 INFO L87 Difference]: Start difference. First operand 825 states and 1262 transitions. Second operand has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 4 states have call successors, (98), 3 states have call predecessors, (98), 5 states have return successors, (98), 4 states have call predecessors, (98), 4 states have call successors, (98) [2023-12-15 21:07:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:07:40,148 INFO L93 Difference]: Finished difference Result 1695 states and 2581 transitions. [2023-12-15 21:07:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-15 21:07:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 4 states have call successors, (98), 3 states have call predecessors, (98), 5 states have return successors, (98), 4 states have call predecessors, (98), 4 states have call successors, (98) Word has length 316 [2023-12-15 21:07:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:07:40,154 INFO L225 Difference]: With dead ends: 1695 [2023-12-15 21:07:40,154 INFO L226 Difference]: Without dead ends: 871 [2023-12-15 21:07:40,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2023-12-15 21:07:40,157 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 715 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 21:07:40,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 1493 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 21:07:40,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2023-12-15 21:07:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 673. [2023-12-15 21:07:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 497 states have (on average 1.4064386317907445) internal successors, (699), 498 states have internal predecessors, (699), 163 states have call successors, (163), 12 states have call predecessors, (163), 12 states have return successors, (163), 162 states have call predecessors, (163), 163 states have call successors, (163) [2023-12-15 21:07:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1025 transitions. [2023-12-15 21:07:40,205 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1025 transitions. Word has length 316 [2023-12-15 21:07:40,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:07:40,206 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 1025 transitions. [2023-12-15 21:07:40,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 4 states have call successors, (98), 3 states have call predecessors, (98), 5 states have return successors, (98), 4 states have call predecessors, (98), 4 states have call successors, (98) [2023-12-15 21:07:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1025 transitions. [2023-12-15 21:07:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-15 21:07:40,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:07:40,208 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:07:40,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 21:07:40,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:40,415 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:07:40,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:07:40,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1067961112, now seen corresponding path program 1 times [2023-12-15 21:07:40,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:07:40,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048816818] [2023-12-15 21:07:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:07:40,445 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:07:40,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594234879] [2023-12-15 21:07:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:07:40,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:07:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:07:40,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:07:40,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Received shutdown request... [2023-12-15 21:08:47,360 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 21:08:47,361 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 [2023-12-15 21:08:48,373 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 [2023-12-15 21:08:48,561 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2023-12-15 21:08:48,566 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-15 21:08:48,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 137 [2023-12-15 21:08:48,568 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:08:48,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 21:08:48,569 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 318 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-15 21:08:48,571 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:08:48,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:08:48,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:08:48 BoogieIcfgContainer [2023-12-15 21:08:48,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:08:48,574 INFO L158 Benchmark]: Toolchain (without parser) took 78241.08ms. Allocated memory was 398.5MB in the beginning and 597.7MB in the end (delta: 199.2MB). Free memory was 353.0MB in the beginning and 220.7MB in the end (delta: 132.3MB). Peak memory consumption was 332.7MB. Max. memory is 8.0GB. [2023-12-15 21:08:48,575 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory was 152.4MB in the beginning and 152.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:08:48,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.39ms. Allocated memory is still 398.5MB. Free memory was 352.6MB in the beginning and 326.6MB in the end (delta: 26.1MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-15 21:08:48,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.23ms. Allocated memory is still 398.5MB. Free memory was 326.6MB in the beginning and 314.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-15 21:08:48,575 INFO L158 Benchmark]: Boogie Preprocessor took 165.66ms. Allocated memory is still 398.5MB. Free memory was 314.1MB in the beginning and 356.4MB in the end (delta: -42.3MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2023-12-15 21:08:48,575 INFO L158 Benchmark]: RCFGBuilder took 768.85ms. Allocated memory is still 398.5MB. Free memory was 355.9MB in the beginning and 290.3MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2023-12-15 21:08:48,576 INFO L158 Benchmark]: TraceAbstraction took 76815.55ms. Allocated memory was 398.5MB in the beginning and 597.7MB in the end (delta: 199.2MB). Free memory was 289.3MB in the beginning and 220.7MB in the end (delta: 68.6MB). Peak memory consumption was 268.3MB. Max. memory is 8.0GB. [2023-12-15 21:08:48,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory was 152.4MB in the beginning and 152.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.39ms. Allocated memory is still 398.5MB. Free memory was 352.6MB in the beginning and 326.6MB in the end (delta: 26.1MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 101.23ms. Allocated memory is still 398.5MB. Free memory was 326.6MB in the beginning and 314.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 165.66ms. Allocated memory is still 398.5MB. Free memory was 314.1MB in the beginning and 356.4MB in the end (delta: -42.3MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. * RCFGBuilder took 768.85ms. Allocated memory is still 398.5MB. Free memory was 355.9MB in the beginning and 290.3MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. * TraceAbstraction took 76815.55ms. Allocated memory was 398.5MB in the beginning and 597.7MB in the end (delta: 199.2MB). Free memory was 289.3MB in the beginning and 220.7MB in the end (delta: 68.6MB). Peak memory consumption was 268.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 318 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 174 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.8s, OverallIterations: 8, TraceHistogramMax: 49, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1796 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1707 mSDsluCounter, 6229 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4641 mSDsCounter, 505 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2592 IncrementalHoareTripleChecker+Invalid, 3097 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 505 mSolverCounterUnsat, 1588 mSDtfsCounter, 2592 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3163 GetRequests, 3100 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=825occurred in iteration=6, 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 322 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2515 NumberOfCodeBlocks, 2515 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8466 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5277 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 46482/47040 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