/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal126.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:03:00,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:03:00,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:03:00,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:03:00,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:03:00,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:03:00,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:03:00,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:03:00,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:03:00,752 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:03:00,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:03:00,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:03:00,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:03:00,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:03:00,759 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:03:00,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:03:00,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:03:00,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:03:00,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:03:00,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:03:00,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:03:00,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:03:00,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:03:00,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:03:00,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:03:00,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:03:00,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:03:00,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:03:00,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:03:00,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:03:00,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:03:00,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:03:00,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:03:00,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:03:00,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:03:00,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:03:00,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:03:00,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:03:00,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:03:00,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:03:00,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:03:00,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:03:00,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:03:00,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:03:00,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:03:00,942 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:03:00,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal126.c [2023-12-16 19:03:01,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:03:02,319 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:03:02,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal126.c [2023-12-16 19:03:02,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63d2b4cb/4e2e0b5a28c34669b8e8ccb4c6f2cebc/FLAG37b022e13 [2023-12-16 19:03:02,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63d2b4cb/4e2e0b5a28c34669b8e8ccb4c6f2cebc [2023-12-16 19:03:02,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:03:02,385 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:03:02,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:03:02,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:03:02,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:03:02,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:03:02" (1/1) ... [2023-12-16 19:03:02,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e15a279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:02, skipping insertion in model container [2023-12-16 19:03:02,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:03:02" (1/1) ... [2023-12-16 19:03:02,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:03:02,823 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal126.c[1246,1259] [2023-12-16 19:03:04,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:03:04,057 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:03:04,065 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal126.c[1246,1259] [2023-12-16 19:03:04,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:03:04,779 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:03:04,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04 WrapperNode [2023-12-16 19:03:04,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:03:04,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:03:04,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:03:04,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:03:04,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:05,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:08,788 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58318 [2023-12-16 19:03:08,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:03:08,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:03:08,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:03:08,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:03:08,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:08,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:09,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:10,704 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]. [2023-12-16 19:03:10,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:10,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:11,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:11,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:12,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:12,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:13,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:03:13,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:03:13,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:03:13,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:03:13,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (1/1) ... [2023-12-16 19:03:13,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:03:13,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:03:13,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 19:03:13,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 19:03:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:03:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:03:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:03:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:03:15,702 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:03:15,704 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:03:44,595 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:03:45,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:03:45,479 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:03:45,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:03:45 BoogieIcfgContainer [2023-12-16 19:03:45,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:03:45,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:03:45,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:03:45,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:03:45,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:03:02" (1/3) ... [2023-12-16 19:03:45,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f4160d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:03:45, skipping insertion in model container [2023-12-16 19:03:45,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:04" (2/3) ... [2023-12-16 19:03:45,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f4160d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:03:45, skipping insertion in model container [2023-12-16 19:03:45,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:03:45" (3/3) ... [2023-12-16 19:03:45,489 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal126.c [2023-12-16 19:03:45,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:03:45,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:03:45,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:03:45,632 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;@7865c2a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:03:45,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:03:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 12152 states, 12150 states have (on average 1.6672427983539095) internal successors, (20257), 12151 states have internal predecessors, (20257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:03:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2023-12-16 19:03:45,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:03:45,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:03:45,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:03:45,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:03:45,698 INFO L85 PathProgramCache]: Analyzing trace with hash -852290505, now seen corresponding path program 1 times [2023-12-16 19:03:45,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:03:45,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520478137] [2023-12-16 19:03:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:03:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:03:46,205 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:03:46,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141932045] [2023-12-16 19:03:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:03:46,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:03:46,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:03:46,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 19:03:46,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 19:03:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:03:49,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-16 19:03:49,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:03:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:03:52,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:03:52,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:03:52,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520478137] [2023-12-16 19:03:52,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:03:52,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141932045] [2023-12-16 19:03:52,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141932045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:03:52,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:03:52,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:03:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267922417] [2023-12-16 19:03:52,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:03:52,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:03:52,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:03:52,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:03:52,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:03:52,799 INFO L87 Difference]: Start difference. First operand has 12152 states, 12150 states have (on average 1.6672427983539095) internal successors, (20257), 12151 states have internal predecessors, (20257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 73.57142857142857) internal successors, (515), 6 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 19:03:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:03:56,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-16 19:03:56,856 INFO L413 NwaCegarLoop]: 6541 mSDtfsCounter, 11907 mSDsluCounter, 15849 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11907 SdHoareTripleChecker+Valid, 22390 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-16 19:03:56,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11907 Valid, 22390 Invalid, 5243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5242 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-16 19:03:56,858 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:03:56,859 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:03:56,860 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:03:56,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 19:03:57,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 19:03:57,061 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (12152states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (6950 states constructed, input type IntersectNwa). [2023-12-16 19:03:57,064 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 19:03:57,066 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:03:57,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:03:57 BoogieIcfgContainer [2023-12-16 19:03:57,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:03:57,068 INFO L158 Benchmark]: Toolchain (without parser) took 54683.44ms. Allocated memory was 197.1MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 125.7MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-16 19:03:57,068 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory was 148.6MB in the beginning and 148.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:03:57,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2393.25ms. Allocated memory was 197.1MB in the beginning and 550.5MB in the end (delta: 353.4MB). Free memory was 125.4MB in the beginning and 199.5MB in the end (delta: -74.2MB). Peak memory consumption was 288.8MB. Max. memory is 8.0GB. [2023-12-16 19:03:57,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 4007.84ms. Allocated memory was 550.5MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 199.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 677.4MB. Max. memory is 8.0GB. [2023-12-16 19:03:57,069 INFO L158 Benchmark]: Boogie Preprocessor took 4415.23ms. Allocated memory is still 5.2GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 332.3MB). Peak memory consumption was 401.1MB. Max. memory is 8.0GB. [2023-12-16 19:03:57,070 INFO L158 Benchmark]: RCFGBuilder took 32276.06ms. Allocated memory was 5.2GB in the beginning and 6.3GB in the end (delta: 1.1GB). Free memory was 3.9GB in the beginning and 4.8GB in the end (delta: -918.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-16 19:03:57,070 INFO L158 Benchmark]: TraceAbstraction took 11585.05ms. Allocated memory is still 6.3GB. Free memory was 4.8GB in the beginning and 4.6GB in the end (delta: 184.7MB). Peak memory consumption was 534.5MB. Max. memory is 8.0GB. [2023-12-16 19:03:57,072 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 197.1MB. Free memory was 148.6MB in the beginning and 148.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2393.25ms. Allocated memory was 197.1MB in the beginning and 550.5MB in the end (delta: 353.4MB). Free memory was 125.4MB in the beginning and 199.5MB in the end (delta: -74.2MB). Peak memory consumption was 288.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 4007.84ms. Allocated memory was 550.5MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 199.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 677.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4415.23ms. Allocated memory is still 5.2GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 332.3MB). Peak memory consumption was 401.1MB. Max. memory is 8.0GB. * RCFGBuilder took 32276.06ms. Allocated memory was 5.2GB in the beginning and 6.3GB in the end (delta: 1.1GB). Free memory was 3.9GB in the beginning and 4.8GB in the end (delta: -918.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * TraceAbstraction took 11585.05ms. Allocated memory is still 6.3GB. Free memory was 4.8GB in the beginning and 4.6GB in the end (delta: 184.7MB). Peak memory consumption was 534.5MB. 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: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (12152states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (6950 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12152 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11907 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11907 mSDsluCounter, 22390 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15849 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5242 IncrementalHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6541 mSDtfsCounter, 5242 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12152occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 515 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 514 ConstructedInterpolants, 0 QuantifiedInterpolants, 6933 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2479 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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