/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.cal123.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:02:45,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:02:45,517 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 19:02:45,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:02:45,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:02:45,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:02:45,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:02:45,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:02:45,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:02:45,543 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:02:45,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:02:45,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:02:45,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:02:45,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:02:45,544 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:02:45,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:02:45,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:02:45,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:02:45,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:02:45,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:02:45,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:02:45,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:02:45,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:02:45,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:02:45,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:02:45,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:02:45,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:02:45,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:02:45,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:02:45,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:02:45,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:02:45,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:02:45,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:02:45,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:02:45,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:02:45,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:02:45,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:02:45,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:02:45,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:02:45,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:02:45,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:02:45,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:02:45,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:02:45,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:02:45,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:02:45,707 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:02:45,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal123.c [2023-12-16 19:02:46,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:02:47,116 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:02:47,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal123.c [2023-12-16 19:02:47,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc9b90079/19bdc3e3bda34508b5d3d5c6478f622e/FLAG3afeb6edf [2023-12-16 19:02:47,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc9b90079/19bdc3e3bda34508b5d3d5c6478f622e [2023-12-16 19:02:47,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:02:47,284 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:02:47,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:02:47,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:02:47,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:02:47,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:02:47" (1/1) ... [2023-12-16 19:02:47,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c642d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:47, skipping insertion in model container [2023-12-16 19:02:47,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:02:47" (1/1) ... [2023-12-16 19:02:47,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:02:47,703 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.cal123.c[1246,1259] [2023-12-16 19:02:48,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:02:48,824 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:02:48,831 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.cal123.c[1246,1259] [2023-12-16 19:02:49,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:02:49,825 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:02:49,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49 WrapperNode [2023-12-16 19:02:49,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:02:49,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:02:49,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:02:49,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:02:49,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:50,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:53,918 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58028 [2023-12-16 19:02:53,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:02:53,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:02:53,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:02:53,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:02:53,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:53,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:55,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:55,951 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 19:02:55,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:55,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:57,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:57,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:57,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:57,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:58,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:02:58,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:02:58,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:02:58,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:02:58,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (1/1) ... [2023-12-16 19:02:58,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:02:58,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:02:58,498 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 19:02:58,505 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 19:02:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:02:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:02:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:02:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:03:00,909 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:03:00,911 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:03:29,295 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:03:29,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:03:29,944 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:03:29,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:03:29 BoogieIcfgContainer [2023-12-16 19:03:29,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:03:29,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:03:29,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:03:29,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:03:29,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:02:47" (1/3) ... [2023-12-16 19:03:29,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36035626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:03:29, skipping insertion in model container [2023-12-16 19:03:29,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:02:49" (2/3) ... [2023-12-16 19:03:29,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36035626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:03:29, skipping insertion in model container [2023-12-16 19:03:29,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:03:29" (3/3) ... [2023-12-16 19:03:29,953 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal123.c [2023-12-16 19:03:29,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:03:29,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:03:30,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:03:30,095 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;@36dc6e3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:03:30,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:03:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 12078 states, 12076 states have (on average 1.6673567406425969) internal successors, (20135), 12077 states have internal predecessors, (20135), 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 19:03:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2023-12-16 19:03:30,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:03:30,151 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] [2023-12-16 19:03:30,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:03:30,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:03:30,158 INFO L85 PathProgramCache]: Analyzing trace with hash -788951193, now seen corresponding path program 1 times [2023-12-16 19:03:30,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:03:30,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515593355] [2023-12-16 19:03:30,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:03:30,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:03:30,606 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:03:30,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740657590] [2023-12-16 19:03:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:03:30,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:03:30,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:03:30,609 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 19:03:30,612 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 19:03:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:03:33,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-16 19:03:34,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:03:36,615 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 19:03:36,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:03:36,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:03:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515593355] [2023-12-16 19:03:36,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:03:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740657590] [2023-12-16 19:03:36,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740657590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:03:36,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:03:36,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:03:36,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175020994] [2023-12-16 19:03:36,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:03:36,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:03:36,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:03:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:03:36,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:03:36,673 INFO L87 Difference]: Start difference. First operand has 12078 states, 12076 states have (on average 1.6673567406425969) internal successors, (20135), 12077 states have internal predecessors, (20135), 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 65.57142857142857) internal successors, (459), 6 states have internal predecessors, (459), 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 19:03:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:03:41,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 453 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 19:03:41,200 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 19:03:41,200 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 19:03:41,203 INFO L413 NwaCegarLoop]: 8170 mSDtfsCounter, 14648 mSDsluCounter, 19601 mSDsCounter, 0 mSdLazyCounter, 6438 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14648 SdHoareTripleChecker+Valid, 27771 SdHoareTripleChecker+Invalid, 6439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-16 19:03:41,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14648 Valid, 27771 Invalid, 6439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 6438 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-16 19:03:41,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:03:41,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 19:03:41,407 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 19:03:41,409 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (12078states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (8676 states constructed, input type IntersectNwa). [2023-12-16 19:03:41,412 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 19:03:41,413 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:03:41,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:03:41 BoogieIcfgContainer [2023-12-16 19:03:41,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:03:41,416 INFO L158 Benchmark]: Toolchain (without parser) took 54131.41ms. Allocated memory was 219.2MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 151.7MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 19:03:41,416 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:03:41,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2539.46ms. Allocated memory was 219.2MB in the beginning and 675.3MB in the end (delta: 456.1MB). Free memory was 151.7MB in the beginning and 352.6MB in the end (delta: -200.9MB). Peak memory consumption was 317.6MB. Max. memory is 8.0GB. [2023-12-16 19:03:41,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 4092.15ms. Allocated memory was 675.3MB in the beginning and 4.2GB in the end (delta: 3.5GB). Free memory was 352.1MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 672.7MB. Max. memory is 8.0GB. [2023-12-16 19:03:41,417 INFO L158 Benchmark]: Boogie Preprocessor took 4510.29ms. Allocated memory was 4.2GB in the beginning and 5.7GB in the end (delta: 1.5GB). Free memory was 3.2GB in the beginning and 4.4GB in the end (delta: -1.2GB). Peak memory consumption was 316.1MB. Max. memory is 8.0GB. [2023-12-16 19:03:41,417 INFO L158 Benchmark]: RCFGBuilder took 31507.74ms. Allocated memory was 5.7GB in the beginning and 6.2GB in the end (delta: 455.1MB). Free memory was 4.4GB in the beginning and 4.6GB in the end (delta: -114.5MB). Peak memory consumption was 829.7MB. Max. memory is 8.0GB. [2023-12-16 19:03:41,418 INFO L158 Benchmark]: TraceAbstraction took 11466.80ms. Allocated memory is still 6.2GB. Free memory was 4.6GB in the beginning and 4.7GB in the end (delta: -102.1MB). Peak memory consumption was 209.3MB. Max. memory is 8.0GB. [2023-12-16 19:03:41,419 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 182.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2539.46ms. Allocated memory was 219.2MB in the beginning and 675.3MB in the end (delta: 456.1MB). Free memory was 151.7MB in the beginning and 352.6MB in the end (delta: -200.9MB). Peak memory consumption was 317.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 4092.15ms. Allocated memory was 675.3MB in the beginning and 4.2GB in the end (delta: 3.5GB). Free memory was 352.1MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 672.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4510.29ms. Allocated memory was 4.2GB in the beginning and 5.7GB in the end (delta: 1.5GB). Free memory was 3.2GB in the beginning and 4.4GB in the end (delta: -1.2GB). Peak memory consumption was 316.1MB. Max. memory is 8.0GB. * RCFGBuilder took 31507.74ms. Allocated memory was 5.7GB in the beginning and 6.2GB in the end (delta: 455.1MB). Free memory was 4.4GB in the beginning and 4.6GB in the end (delta: -114.5MB). Peak memory consumption was 829.7MB. Max. memory is 8.0GB. * TraceAbstraction took 11466.80ms. Allocated memory is still 6.2GB. Free memory was 4.6GB in the beginning and 4.7GB in the end (delta: -102.1MB). Peak memory consumption was 209.3MB. 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: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (12078states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (8676 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12078 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14648 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14648 mSDsluCounter, 27771 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19601 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6438 IncrementalHoareTripleChecker+Invalid, 6439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 8170 mSDtfsCounter, 6438 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12078occurred 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, 2.7s InterpolantComputationTime, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 458 ConstructedInterpolants, 0 QuantifiedInterpolants, 5897 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2273 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