/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-30.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:16:11,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:16:11,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 04:16:11,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:16:11,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:16:11,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:16:11,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:16:11,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:16:11,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:16:11,801 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:16:11,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:16:11,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:16:11,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:16:11,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:16:11,803 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:16:11,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:16:11,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:16:11,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:16:11,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:16:11,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:16:11,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:16:11,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:16:11,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:16:11,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:16:11,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:16:11,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:16:11,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:16:11,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:16:11,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:16:11,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:16:11,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:16:11,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:16:11,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:16:11,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:16:11,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:16:11,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:16:11,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:16:11,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:16:11,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:16:11,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:16:11,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:16:11,986 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:16:11,987 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:16:11,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2023-12-16 04:16:12,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:16:13,155 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:16:13,155 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2023-12-16 04:16:13,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3acaa1cf/35f811873c3b425195fd5e380192f342/FLAGebf6ccbe3 [2023-12-16 04:16:13,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3acaa1cf/35f811873c3b425195fd5e380192f342 [2023-12-16 04:16:13,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:16:13,182 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:16:13,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:16:13,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:16:13,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:16:13,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc8f6ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13, skipping insertion in model container [2023-12-16 04:16:13,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:16:13,329 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2023-12-16 04:16:13,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:16:13,374 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:16:13,381 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2023-12-16 04:16:13,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:16:13,407 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:16:13,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13 WrapperNode [2023-12-16 04:16:13,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:16:13,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:16:13,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:16:13,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:16:13,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,459 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-12-16 04:16:13,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:16:13,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:16:13,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:16:13,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:16:13,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,489 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 04:16:13,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:16:13,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:16:13,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:16:13,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:16:13,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (1/1) ... [2023-12-16 04:16:13,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:16:13,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:16:13,549 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 04:16:13,556 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 04:16:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:16:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:16:13,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:16:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:16:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:16:13,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:16:13,649 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:16:13,651 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:16:13,848 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:16:13,889 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:16:13,889 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:16:13,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:16:13 BoogieIcfgContainer [2023-12-16 04:16:13,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:16:13,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:16:13,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:16:13,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:16:13,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:16:13" (1/3) ... [2023-12-16 04:16:13,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d69852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:16:13, skipping insertion in model container [2023-12-16 04:16:13,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:13" (2/3) ... [2023-12-16 04:16:13,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d69852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:16:13, skipping insertion in model container [2023-12-16 04:16:13,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:16:13" (3/3) ... [2023-12-16 04:16:13,894 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-30.i [2023-12-16 04:16:13,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:16:13,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:16:13,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:16:13,947 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;@34ce9897, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:16:13,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:16:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:16:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 04:16:13,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:16:13,958 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:13,958 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:16:13,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:16:13,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1135779516, now seen corresponding path program 1 times [2023-12-16 04:16:13,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:16:13,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155095995] [2023-12-16 04:16:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:16:13,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:16:14,117 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:16:14,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [291709090] [2023-12-16 04:16:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:16:14,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:16:14,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:16:14,121 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 04:16:14,126 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 04:16:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:16:14,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 04:16:14,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 04:17:29,958 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 04:17:29,972 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 04:17:30,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:17:30,217 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 04:17:30,409 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 04:17:30,410 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-5-4-2-2-2-3-3-3-3-3-3-3-3-4-4-3-4-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-3-2-2-4-4-3-3-5-5-4-4-4-4-5-5-4-4-4-4-3-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-53-3-4-3-3-4-3-5-3-3-2-3-3-4-2-4-2-3-2-5-2-3-2-4-2-3-2-3-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-3-2-2-2-1 context. [2023-12-16 04:17:30,416 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 04:17:30,418 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:17:30,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:17:30 BoogieIcfgContainer [2023-12-16 04:17:30,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:17:30,420 INFO L158 Benchmark]: Toolchain (without parser) took 77237.59ms. Allocated memory was 296.7MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 253.8MB in the beginning and 1.1GB in the end (delta: -884.2MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 04:17:30,420 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:17:30,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.72ms. Allocated memory is still 296.7MB. Free memory was 253.8MB in the beginning and 240.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 04:17:30,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.94ms. Allocated memory is still 296.7MB. Free memory was 240.6MB in the beginning and 237.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 04:17:30,421 INFO L158 Benchmark]: Boogie Preprocessor took 53.85ms. Allocated memory is still 296.7MB. Free memory was 237.5MB in the beginning and 232.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:17:30,422 INFO L158 Benchmark]: RCFGBuilder took 375.35ms. Allocated memory is still 296.7MB. Free memory was 232.8MB in the beginning and 213.4MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 04:17:30,422 INFO L158 Benchmark]: TraceAbstraction took 76528.56ms. Allocated memory was 296.7MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 212.9MB in the beginning and 1.1GB in the end (delta: -925.1MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 04:17:30,424 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 189.8MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.72ms. Allocated memory is still 296.7MB. Free memory was 253.8MB in the beginning and 240.6MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.94ms. Allocated memory is still 296.7MB. Free memory was 240.6MB in the beginning and 237.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.85ms. Allocated memory is still 296.7MB. Free memory was 237.5MB in the beginning and 232.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 375.35ms. Allocated memory is still 296.7MB. Free memory was 232.8MB in the beginning and 213.4MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 76528.56ms. Allocated memory was 296.7MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 212.9MB in the beginning and 1.1GB in the end (delta: -925.1MB). Peak memory consumption was 1.6GB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-5-2-5-4-2-2-2-3-3-3-3-3-3-3-3-4-4-3-4-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-3-2-2-4-4-3-3-5-5-4-4-4-4-5-5-4-4-4-4-3-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-53-3-4-3-3-4-3-5-3-3-2-3-3-4-2-4-2-3-2-5-2-3-2-4-2-3-2-3-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-5-2-4-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.5s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown