/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/xcsp/Haystacks-18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:51:59,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:51:59,394 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 23:51:59,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:51:59,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:51:59,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:51:59,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:51:59,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:51:59,429 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:51:59,432 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:51:59,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:51:59,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:51:59,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:51:59,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:51:59,434 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:51:59,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:51:59,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:51:59,434 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:51:59,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:51:59,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:51:59,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:51:59,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:51:59,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:51:59,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:51:59,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:51:59,436 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:51:59,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:51:59,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:51:59,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:51:59,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:51:59,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:51:59,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:51:59,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:51:59,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:51:59,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:51:59,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:51:59,438 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:51:59,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:51:59,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:51:59,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:51:59,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:51:59,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:51:59,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:51:59,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:51:59,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:51:59,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:51:59,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:51:59,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:51:59,650 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:51:59,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-18.c [2023-12-15 23:52:00,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:52:01,029 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:52:01,030 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-18.c [2023-12-15 23:52:01,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6b239ea/a917d83b16be4f66a5f1cff739508ebc/FLAGaba164798 [2023-12-15 23:52:01,066 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6b239ea/a917d83b16be4f66a5f1cff739508ebc [2023-12-15 23:52:01,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:52:01,069 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:52:01,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:52:01,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:52:01,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:52:01,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:01,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f86c1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01, skipping insertion in model container [2023-12-15 23:52:01,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:01,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:52:01,589 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-18.c[147234,147247] [2023-12-15 23:52:01,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:52:01,621 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:52:01,733 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-18.c[147234,147247] [2023-12-15 23:52:01,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:52:01,753 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:52:01,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01 WrapperNode [2023-12-15 23:52:01,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:52:01,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:52:01,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:52:01,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:52:01,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:01,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:01,952 INFO L138 Inliner]: procedures = 13, calls = 3715, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5344 [2023-12-15 23:52:01,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:52:01,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:52:01,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:52:01,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:52:01,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:01,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:01,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,017 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 23:52:02,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:52:02,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:52:02,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:52:02,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:52:02,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (1/1) ... [2023-12-15 23:52:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:52:02,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:52:02,153 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 23:52:02,173 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 23:52:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-15 23:52:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-15 23:52:02,354 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:52:02,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:52:04,457 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:52:04,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:52:04,522 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-15 23:52:04,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:52:04 BoogieIcfgContainer [2023-12-15 23:52:04,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:52:04,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:52:04,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:52:04,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:52:04,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:52:01" (1/3) ... [2023-12-15 23:52:04,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bda5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:52:04, skipping insertion in model container [2023-12-15 23:52:04,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:52:01" (2/3) ... [2023-12-15 23:52:04,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bda5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:52:04, skipping insertion in model container [2023-12-15 23:52:04,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:52:04" (3/3) ... [2023-12-15 23:52:04,528 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-18.c [2023-12-15 23:52:04,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:52:04,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 23:52:04,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:52:04,676 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;@2c6195b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:52:04,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 23:52:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 4040 states, 329 states have (on average 1.006079027355623) internal successors, (331), 330 states have internal predecessors, (331), 3708 states have call successors, (3708), 1 states have call predecessors, (3708), 1 states have return successors, (3708), 3708 states have call predecessors, (3708), 3708 states have call successors, (3708) [2023-12-15 23:52:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18867 [2023-12-15 23:52:06,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:52:06,720 INFO L195 NwaCegarLoop]: trace histogram [3708, 3708, 3708, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:06,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:52:06,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:52:06,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1476162867, now seen corresponding path program 1 times [2023-12-15 23:52:06,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:52:06,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961737033] [2023-12-15 23:52:06,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:52:06,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:52:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:52:09,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:52:09,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961737033] [2023-12-15 23:52:09,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 23:52:09,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132451830] [2023-12-15 23:52:09,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:52:09,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 23:52:09,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:52:09,644 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 23:52:09,647 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 23:52:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:52:14,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 34046 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 23:52:14,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 23:52:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 27491112 backedges. 7414 proven. 0 refuted. 0 times theorem prover too weak. 27483698 trivial. 0 not checked. [2023-12-15 23:52:15,537 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 23:52:15,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132451830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:52:15,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:52:15,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 23:52:15,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497044584] [2023-12-15 23:52:15,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:52:15,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 23:52:15,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:52:15,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 23:52:15,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 23:52:15,600 INFO L87 Difference]: Start difference. First operand has 4040 states, 329 states have (on average 1.006079027355623) internal successors, (331), 330 states have internal predecessors, (331), 3708 states have call successors, (3708), 1 states have call predecessors, (3708), 1 states have return successors, (3708), 3708 states have call predecessors, (3708), 3708 states have call successors, (3708) Second operand has 2 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 2 states have call successors, (3708), 2 states have call predecessors, (3708), 1 states have return successors, (3708), 1 states have call predecessors, (3708), 2 states have call successors, (3708) [2023-12-15 23:52:15,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:52:15,926 INFO L93 Difference]: Finished difference Result 8077 states and 19199 transitions. [2023-12-15 23:52:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 23:52:15,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 2 states have call successors, (3708), 2 states have call predecessors, (3708), 1 states have return successors, (3708), 1 states have call predecessors, (3708), 2 states have call successors, (3708) Word has length 18866 [2023-12-15 23:52:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:52:15,988 INFO L225 Difference]: With dead ends: 8077 [2023-12-15 23:52:15,989 INFO L226 Difference]: Without dead ends: 4039 [2023-12-15 23:52:16,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18865 GetRequests, 18865 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 23:52:16,031 INFO L413 NwaCegarLoop]: 7744 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7744 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:52:16,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7744 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:52:16,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4039 states. [2023-12-15 23:52:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4039 to 4039. [2023-12-15 23:52:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4039 states, 329 states have (on average 1.0) internal successors, (329), 329 states have internal predecessors, (329), 3708 states have call successors, (3708), 1 states have call predecessors, (3708), 1 states have return successors, (3708), 3708 states have call predecessors, (3708), 3708 states have call successors, (3708) [2023-12-15 23:52:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 7745 transitions. [2023-12-15 23:52:21,417 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 7745 transitions. Word has length 18866 [2023-12-15 23:52:21,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:52:21,420 INFO L495 AbstractCegarLoop]: Abstraction has 4039 states and 7745 transitions. [2023-12-15 23:52:21,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 2 states have call successors, (3708), 2 states have call predecessors, (3708), 1 states have return successors, (3708), 1 states have call predecessors, (3708), 2 states have call successors, (3708) [2023-12-15 23:52:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 7745 transitions. [2023-12-15 23:52:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18867 [2023-12-15 23:52:23,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:52:23,571 INFO L195 NwaCegarLoop]: trace histogram [3708, 3708, 3708, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:23,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 23:52:23,780 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 23:52:23,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 23:52:23,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:52:23,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1468685747, now seen corresponding path program 1 times [2023-12-15 23:52:23,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:52:23,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987827127] [2023-12-15 23:52:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:52:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:52:24,492 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 23:52:24,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736698687] [2023-12-15 23:52:24,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:52:24,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 23:52:24,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:52:24,500 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 23:52:24,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Received shutdown request... [2023-12-15 23:53:14,256 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 23:53:14,263 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 23:53:15,285 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 23:53:15,457 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2023-12-15 23:53:15,478 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-15 23:53:15,488 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 23:53:15,488 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2023-12-15 23:53:15,490 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 23:53:15,490 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 18867 with TraceHistMax 3708,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-15 23:53:15,494 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-15 23:53:15,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 137 [2023-12-15 23:53:15,499 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 23:53:15,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:53:15 BoogieIcfgContainer [2023-12-15 23:53:15,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 23:53:15,503 INFO L158 Benchmark]: Toolchain (without parser) took 74432.29ms. Allocated memory was 222.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 170.8MB in the beginning and 778.4MB in the end (delta: -607.6MB). Peak memory consumption was 987.5MB. Max. memory is 8.0GB. [2023-12-15 23:53:15,504 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 180.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 23:53:15,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.04ms. Allocated memory is still 222.3MB. Free memory was 170.8MB in the beginning and 111.1MB in the end (delta: 59.7MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. [2023-12-15 23:53:15,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.88ms. Allocated memory was 222.3MB in the beginning and 291.5MB in the end (delta: 69.2MB). Free memory was 110.6MB in the beginning and 222.2MB in the end (delta: -111.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-15 23:53:15,507 INFO L158 Benchmark]: Boogie Preprocessor took 160.04ms. Allocated memory is still 291.5MB. Free memory was 222.2MB in the beginning and 205.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 23:53:15,507 INFO L158 Benchmark]: RCFGBuilder took 2407.79ms. Allocated memory was 291.5MB in the beginning and 514.9MB in the end (delta: 223.3MB). Free memory was 205.5MB in the beginning and 300.9MB in the end (delta: -95.4MB). Peak memory consumption was 158.5MB. Max. memory is 8.0GB. [2023-12-15 23:53:15,508 INFO L158 Benchmark]: TraceAbstraction took 70977.21ms. Allocated memory was 514.9MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 300.4MB in the beginning and 778.4MB in the end (delta: -478.0MB). Peak memory consumption was 823.8MB. Max. memory is 8.0GB. [2023-12-15 23:53:15,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 180.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 683.04ms. Allocated memory is still 222.3MB. Free memory was 170.8MB in the beginning and 111.1MB in the end (delta: 59.7MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 196.88ms. Allocated memory was 222.3MB in the beginning and 291.5MB in the end (delta: 69.2MB). Free memory was 110.6MB in the beginning and 222.2MB in the end (delta: -111.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 160.04ms. Allocated memory is still 291.5MB. Free memory was 222.2MB in the beginning and 205.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * RCFGBuilder took 2407.79ms. Allocated memory was 291.5MB in the beginning and 514.9MB in the end (delta: 223.3MB). Free memory was 205.5MB in the beginning and 300.9MB in the end (delta: -95.4MB). Peak memory consumption was 158.5MB. Max. memory is 8.0GB. * TraceAbstraction took 70977.21ms. Allocated memory was 514.9MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 300.4MB in the beginning and 778.4MB in the end (delta: -478.0MB). Peak memory consumption was 823.8MB. 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: 4382]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4382). Cancelled while NwaCegarLoop was analyzing trace of length 18867 with TraceHistMax 3708,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 4040 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.9s, OverallIterations: 2, TraceHistogramMax: 3708, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.2s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7744 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7744 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18865 GetRequests, 18865 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4040occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 37732 NumberOfCodeBlocks, 37732 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18865 ConstructedInterpolants, 0 QuantifiedInterpolants, 18865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34046 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 27491112/27491112 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