/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.cal101.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:01:05,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:01:05,123 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 19:01:05,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:01:05,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:01:05,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:01:05,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:01:05,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:01:05,151 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:01:05,151 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:01:05,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:01:05,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:01:05,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:01:05,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:01:05,152 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:01:05,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:01:05,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:01:05,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:01:05,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:01:05,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:01:05,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:01:05,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:01:05,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:01:05,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:01:05,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:01:05,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:01:05,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:01:05,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:01:05,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:01:05,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:01:05,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:01:05,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:01:05,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:01:05,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:01:05,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:01:05,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:01:05,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:01:05,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:01:05,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:01:05,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:01:05,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:01:05,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:01:05,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:01:05,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:01:05,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:01:05,366 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:01:05,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal101.c [2023-12-16 19:01:06,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:01:06,911 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:01:06,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal101.c [2023-12-16 19:01:06,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ff8d767/d57059be29014f01879695cb659539e8/FLAG695454f13 [2023-12-16 19:01:06,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ff8d767/d57059be29014f01879695cb659539e8 [2023-12-16 19:01:06,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:01:06,995 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:01:06,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:01:06,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:01:07,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:01:07,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:01:06" (1/1) ... [2023-12-16 19:01:07,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439cec1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:07, skipping insertion in model container [2023-12-16 19:01:07,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:01:06" (1/1) ... [2023-12-16 19:01:07,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:01:07,420 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.cal101.c[1246,1259] [2023-12-16 19:01:08,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:01:08,496 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:01:08,505 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.cal101.c[1246,1259] [2023-12-16 19:01:09,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:01:09,372 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:01:09,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09 WrapperNode [2023-12-16 19:01:09,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:01:09,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:01:09,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:01:09,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:01:09,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:09,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:13,728 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57414 [2023-12-16 19:01:13,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:01:13,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:01:13,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:01:13,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:01:13,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:13,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:15,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:15,725 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 19:01:15,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:15,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:16,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:17,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:17,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:17,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:18,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:01:18,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:01:18,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:01:18,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:01:18,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (1/1) ... [2023-12-16 19:01:18,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:01:18,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:01:18,315 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 19:01:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:01:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:01:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:01:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:01:18,336 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 19:01:20,337 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:01:20,338 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:01:45,453 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:01:46,169 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:01:46,169 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:01:46,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:01:46 BoogieIcfgContainer [2023-12-16 19:01:46,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:01:46,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:01:46,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:01:46,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:01:46,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:01:06" (1/3) ... [2023-12-16 19:01:46,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4055c661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:01:46, skipping insertion in model container [2023-12-16 19:01:46,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:01:09" (2/3) ... [2023-12-16 19:01:46,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4055c661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:01:46, skipping insertion in model container [2023-12-16 19:01:46,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:01:46" (3/3) ... [2023-12-16 19:01:46,179 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal101.c [2023-12-16 19:01:46,190 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:01:46,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:01:46,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:01:46,319 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;@144dde84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:01:46,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:01:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 11906 states, 11904 states have (on average 1.6672547043010753) internal successors, (19847), 11905 states have internal predecessors, (19847), 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 19:01:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2023-12-16 19:01:46,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:01:46,375 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] [2023-12-16 19:01:46,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:01:46,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:01:46,384 INFO L85 PathProgramCache]: Analyzing trace with hash -741716717, now seen corresponding path program 1 times [2023-12-16 19:01:46,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:01:46,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265853576] [2023-12-16 19:01:46,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:01:46,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:01:47,057 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:01:47,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553315980] [2023-12-16 19:01:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:01:47,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:01:47,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:01:47,061 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 19:01:47,067 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 19:01:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:01:50,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 1949 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-16 19:01:50,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:01:51,569 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 19:01:51,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:01:51,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:01:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265853576] [2023-12-16 19:01:51,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:01:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553315980] [2023-12-16 19:01:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553315980] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:01:51,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:01:51,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:01:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855773320] [2023-12-16 19:01:51,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:01:51,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:01:51,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:01:51,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:01:51,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:01:51,618 INFO L87 Difference]: Start difference. First operand has 11906 states, 11904 states have (on average 1.6672547043010753) internal successors, (19847), 11905 states have internal predecessors, (19847), 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 5 states, 5 states have (on average 70.2) internal successors, (351), 4 states have internal predecessors, (351), 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 19:01:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:01:53,420 INFO L93 Difference]: Finished difference Result 23527 states and 39222 transitions. [2023-12-16 19:01:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:01:53,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.2) internal successors, (351), 4 states have internal predecessors, (351), 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) Word has length 351 [2023-12-16 19:01:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:01:53,481 INFO L225 Difference]: With dead ends: 23527 [2023-12-16 19:01:53,481 INFO L226 Difference]: Without dead ends: 11904 [2023-12-16 19:01:53,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:01:53,499 INFO L413 NwaCegarLoop]: 18955 mSDtfsCounter, 39146 mSDsluCounter, 18954 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39146 SdHoareTripleChecker+Valid, 37909 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 19:01:53,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39146 Valid, 37909 Invalid, 1765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 19:01:53,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11904 states. [2023-12-16 19:01:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11904 to 11904. [2023-12-16 19:01:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11904 states, 11903 states have (on average 1.6666386625220533) internal successors, (19838), 11903 states have internal predecessors, (19838), 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 19:01:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11904 states to 11904 states and 19838 transitions. [2023-12-16 19:01:53,786 INFO L78 Accepts]: Start accepts. Automaton has 11904 states and 19838 transitions. Word has length 351 [2023-12-16 19:01:53,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:01:53,790 INFO L495 AbstractCegarLoop]: Abstraction has 11904 states and 19838 transitions. [2023-12-16 19:01:53,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.2) internal successors, (351), 4 states have internal predecessors, (351), 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 19:01:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 11904 states and 19838 transitions. [2023-12-16 19:01:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-12-16 19:01:53,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:01:53,795 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] [2023-12-16 19:01:53,821 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 19:01:54,008 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 19:01:54,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:01:54,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:01:54,009 INFO L85 PathProgramCache]: Analyzing trace with hash 894118493, now seen corresponding path program 1 times [2023-12-16 19:01:54,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:01:54,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964328648] [2023-12-16 19:01:54,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:01:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:01:54,247 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:01:54,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342419984] [2023-12-16 19:01:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:01:54,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:01:54,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:01:54,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 19:01:54,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 19:01:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:01:57,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 19:01:57,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:01:58,088 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 19:01:58,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:01:58,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:01:58,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964328648] [2023-12-16 19:01:58,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:01:58,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342419984] [2023-12-16 19:01:58,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342419984] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:01:58,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:01:58,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:01:58,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850773118] [2023-12-16 19:01:58,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:01:58,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:01:58,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:01:58,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:01:58,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:01:58,091 INFO L87 Difference]: Start difference. First operand 11904 states and 19838 transitions. Second operand has 5 states, 5 states have (on average 70.4) internal successors, (352), 4 states have internal predecessors, (352), 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 19:01:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:01:59,975 INFO L93 Difference]: Finished difference Result 23525 states and 39205 transitions. [2023-12-16 19:01:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 19:01:59,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.4) internal successors, (352), 4 states have internal predecessors, (352), 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) Word has length 352 [2023-12-16 19:01:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:02:00,021 INFO L225 Difference]: With dead ends: 23525 [2023-12-16 19:02:00,021 INFO L226 Difference]: Without dead ends: 11904 [2023-12-16 19:02:00,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:02:00,036 INFO L413 NwaCegarLoop]: 18967 mSDtfsCounter, 19504 mSDsluCounter, 37932 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19504 SdHoareTripleChecker+Valid, 56899 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 19:02:00,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19504 Valid, 56899 Invalid, 2605 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 19:02:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11904 states. Received shutdown request... [2023-12-16 19:02:00,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11904 to 11904. [2023-12-16 19:02:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11904 states, 11903 states have (on average 1.6664706376543728) internal successors, (19836), 11903 states have internal predecessors, (19836), 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 19:02:00,198 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:02:00,207 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 19:02:00,207 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:02:00,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-16 19:02:00,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 19:02:00,401 WARN L619 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2023-12-16 19:02:00,404 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 19:02:00,406 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:02:00,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:02:00 BoogieIcfgContainer [2023-12-16 19:02:00,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:02:00,408 INFO L158 Benchmark]: Toolchain (without parser) took 53412.67ms. Allocated memory was 247.5MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 163.4MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-16 19:02:00,408 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:02:00,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2375.01ms. Allocated memory was 247.5MB in the beginning and 744.5MB in the end (delta: 497.0MB). Free memory was 162.9MB in the beginning and 456.4MB in the end (delta: -293.6MB). Peak memory consumption was 313.0MB. Max. memory is 8.0GB. [2023-12-16 19:02:00,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 4355.53ms. Allocated memory was 744.5MB in the beginning and 4.2GB in the end (delta: 3.5GB). Free memory was 456.4MB in the beginning and 3.3GB in the end (delta: -2.8GB). Peak memory consumption was 712.0MB. Max. memory is 8.0GB. [2023-12-16 19:02:00,409 INFO L158 Benchmark]: Boogie Preprocessor took 4527.06ms. Allocated memory was 4.2GB in the beginning and 5.7GB in the end (delta: 1.5GB). Free memory was 3.3GB in the beginning and 4.5GB in the end (delta: -1.2GB). Peak memory consumption was 350.2MB. Max. memory is 8.0GB. [2023-12-16 19:02:00,410 INFO L158 Benchmark]: RCFGBuilder took 27913.71ms. Allocated memory is still 5.7GB. Free memory was 4.5GB in the beginning and 3.9GB in the end (delta: 580.4MB). Peak memory consumption was 747.1MB. Max. memory is 8.0GB. [2023-12-16 19:02:00,410 INFO L158 Benchmark]: TraceAbstraction took 14234.60ms. Allocated memory is still 5.7GB. Free memory was 3.9GB in the beginning and 3.9GB in the end (delta: 11.5MB). Peak memory consumption was 109.1MB. Max. memory is 8.0GB. [2023-12-16 19:02:00,411 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 205.5MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2375.01ms. Allocated memory was 247.5MB in the beginning and 744.5MB in the end (delta: 497.0MB). Free memory was 162.9MB in the beginning and 456.4MB in the end (delta: -293.6MB). Peak memory consumption was 313.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 4355.53ms. Allocated memory was 744.5MB in the beginning and 4.2GB in the end (delta: 3.5GB). Free memory was 456.4MB in the beginning and 3.3GB in the end (delta: -2.8GB). Peak memory consumption was 712.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4527.06ms. Allocated memory was 4.2GB in the beginning and 5.7GB in the end (delta: 1.5GB). Free memory was 3.3GB in the beginning and 4.5GB in the end (delta: -1.2GB). Peak memory consumption was 350.2MB. Max. memory is 8.0GB. * RCFGBuilder took 27913.71ms. Allocated memory is still 5.7GB. Free memory was 4.5GB in the beginning and 3.9GB in the end (delta: 580.4MB). Peak memory consumption was 747.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14234.60ms. Allocated memory is still 5.7GB. Free memory was 3.9GB in the beginning and 3.9GB in the end (delta: 11.5MB). Peak memory consumption was 109.1MB. 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 ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11906 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58650 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58650 mSDsluCounter, 94808 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56886 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4367 IncrementalHoareTripleChecker+Invalid, 4370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 37922 mSDtfsCounter, 4367 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 695 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11906occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.7s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 703 NumberOfCodeBlocks, 703 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 701 ConstructedInterpolants, 0 QuantifiedInterpolants, 5162 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3901 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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