/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.cal129.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:03:05,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:03:05,740 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 19:03:05,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:03:05,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:03:05,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:03:05,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:03:05,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:03:05,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:03:05,770 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:03:05,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:03:05,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:03:05,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:03:05,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:03:05,772 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:03:05,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:03:05,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:03:05,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:03:05,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:03:05,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:03:05,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:03:05,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:03:05,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:03:05,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:03:05,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:03:05,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:03:05,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:03:05,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:03:05,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:03:05,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:03:05,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:03:05,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:03:05,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:03:05,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:03:05,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:03:05,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:03:05,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:03:05,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:03:05,970 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:03:05,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal129.c [2023-12-16 19:03:07,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:03:07,424 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:03:07,425 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal129.c [2023-12-16 19:03:07,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e9a06c1/7647ca83f262448296573e8bc28b00bf/FLAGf03b3158f [2023-12-16 19:03:07,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e9a06c1/7647ca83f262448296573e8bc28b00bf [2023-12-16 19:03:07,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:03:07,505 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:03:07,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:03:07,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:03:07,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:03:07,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:03:07" (1/1) ... [2023-12-16 19:03:07,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb8a33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:07, skipping insertion in model container [2023-12-16 19:03:07,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:03:07" (1/1) ... [2023-12-16 19:03:07,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:03:07,925 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.cal129.c[1246,1259] [2023-12-16 19:03:09,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:03:09,087 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:03:09,095 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.cal129.c[1246,1259] [2023-12-16 19:03:10,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:03:10,080 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:03:10,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10 WrapperNode [2023-12-16 19:03:10,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:03:10,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:03:10,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:03:10,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:03:10,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:10,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:14,494 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58242 [2023-12-16 19:03:14,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:03:14,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:03:14,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:03:14,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:03:14,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:14,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:15,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:16,487 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 19:03:16,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:16,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:17,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:17,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:18,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:18,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:19,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:03:19,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:03:19,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:03:19,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:03:19,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (1/1) ... [2023-12-16 19:03:19,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:03:19,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:03:19,068 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 19:03:19,082 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 19:03:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:03:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:03:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:03:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:03:21,598 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:03:21,599 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:03:53,311 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:03:53,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:03:53,936 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:03:53,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:03:53 BoogieIcfgContainer [2023-12-16 19:03:53,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:03:53,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:03:53,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:03:53,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:03:53,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:03:07" (1/3) ... [2023-12-16 19:03:53,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdd57ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:03:53, skipping insertion in model container [2023-12-16 19:03:53,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:03:10" (2/3) ... [2023-12-16 19:03:53,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdd57ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:03:53, skipping insertion in model container [2023-12-16 19:03:53,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:03:53" (3/3) ... [2023-12-16 19:03:53,942 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal129.c [2023-12-16 19:03:53,953 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:03:53,953 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:03:54,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:03:54,301 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;@67267aaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:03:54,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:03:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 12128 states, 12126 states have (on average 1.6672439386442355) internal successors, (20217), 12127 states have internal predecessors, (20217), 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 19:03:54,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2023-12-16 19:03:54,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:03:54,363 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] [2023-12-16 19:03:54,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:03:54,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:03:54,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1111536857, now seen corresponding path program 1 times [2023-12-16 19:03:54,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:03:54,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684628778] [2023-12-16 19:03:54,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:03:54,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:03:54,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:03:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752117690] [2023-12-16 19:03:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:03:54,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:03:54,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:03:54,872 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 19:03:54,873 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 19:03:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:03:58,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 2423 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-16 19:03:58,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:04:01,134 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 19:04:01,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:04:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:04:01,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684628778] [2023-12-16 19:04:01,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:04:01,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752117690] [2023-12-16 19:04:01,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752117690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:04:01,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:04:01,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 19:04:01,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882451035] [2023-12-16 19:04:01,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:04:01,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 19:04:01,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:04:01,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 19:04:01,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-16 19:04:01,192 INFO L87 Difference]: Start difference. First operand has 12128 states, 12126 states have (on average 1.6672439386442355) internal successors, (20217), 12127 states have internal predecessors, (20217), 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 71.28571428571429) internal successors, (499), 6 states have internal predecessors, (499), 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 19:04:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:04:02,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 493 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 19:04:02,816 INFO L413 NwaCegarLoop]: 3042 mSDtfsCounter, 3650 mSDsluCounter, 6029 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3650 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 19:04:02,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3650 Valid, 9071 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 19:04:02,818 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:04:02,833 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 19:04:02,834 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 19:04:02,838 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 19:04:03,020 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 19:04:03,022 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (12128states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (3224 states constructed, input type IntersectNwa). [2023-12-16 19:04:03,025 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 19:04:03,027 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:04:03,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:04:03 BoogieIcfgContainer [2023-12-16 19:04:03,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:04:03,029 INFO L158 Benchmark]: Toolchain (without parser) took 55523.30ms. Allocated memory was 264.2MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 198.7MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 19:04:03,029 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:04:03,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2573.64ms. Allocated memory was 264.2MB in the beginning and 817.9MB in the end (delta: 553.6MB). Free memory was 198.2MB in the beginning and 473.2MB in the end (delta: -275.0MB). Peak memory consumption was 280.7MB. Max. memory is 8.0GB. [2023-12-16 19:04:03,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 4412.49ms. Allocated memory was 817.9MB in the beginning and 4.4GB in the end (delta: 3.5GB). Free memory was 473.2MB in the beginning and 3.4GB in the end (delta: -2.9GB). Peak memory consumption was 667.4MB. Max. memory is 8.0GB. [2023-12-16 19:04:03,030 INFO L158 Benchmark]: Boogie Preprocessor took 4513.60ms. Allocated memory was 4.4GB in the beginning and 5.8GB in the end (delta: 1.5GB). Free memory was 3.4GB in the beginning and 4.5GB in the end (delta: -1.1GB). Peak memory consumption was 342.9MB. Max. memory is 8.0GB. [2023-12-16 19:04:03,030 INFO L158 Benchmark]: RCFGBuilder took 34928.02ms. Allocated memory is still 5.8GB. Free memory was 4.5GB in the beginning and 3.8GB in the end (delta: 735.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-16 19:04:03,030 INFO L158 Benchmark]: TraceAbstraction took 9090.15ms. Allocated memory is still 5.8GB. Free memory was 3.8GB in the beginning and 3.9GB in the end (delta: -129.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:04:03,032 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 196.1MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2573.64ms. Allocated memory was 264.2MB in the beginning and 817.9MB in the end (delta: 553.6MB). Free memory was 198.2MB in the beginning and 473.2MB in the end (delta: -275.0MB). Peak memory consumption was 280.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 4412.49ms. Allocated memory was 817.9MB in the beginning and 4.4GB in the end (delta: 3.5GB). Free memory was 473.2MB in the beginning and 3.4GB in the end (delta: -2.9GB). Peak memory consumption was 667.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4513.60ms. Allocated memory was 4.4GB in the beginning and 5.8GB in the end (delta: 1.5GB). Free memory was 3.4GB in the beginning and 4.5GB in the end (delta: -1.1GB). Peak memory consumption was 342.9MB. Max. memory is 8.0GB. * RCFGBuilder took 34928.02ms. Allocated memory is still 5.8GB. Free memory was 4.5GB in the beginning and 3.8GB in the end (delta: 735.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * TraceAbstraction took 9090.15ms. Allocated memory is still 5.8GB. Free memory was 3.8GB in the beginning and 3.9GB in the end (delta: -129.5MB). There was no memory consumed. 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 (12128states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (3224 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3650 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3650 mSDsluCounter, 9071 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6029 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1945 IncrementalHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3042 mSDtfsCounter, 1945 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 501 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12128occurred 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, 3.0s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 498 ConstructedInterpolants, 0 QuantifiedInterpolants, 6637 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2423 ConjunctsInSsa, 52 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