/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:52:49,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:52:49,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:52:49,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:52:49,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:52:49,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:52:49,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:52:49,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:52:49,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:52:49,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:52:49,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:52:49,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:52:49,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:52:49,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:52:49,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:52:49,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:52:49,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:52:49,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:52:49,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:52:49,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:52:49,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:52:49,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:52:49,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:52:49,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:52:49,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:52:49,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:52:49,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:52:49,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:52:49,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:52:49,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:52:49,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:52:49,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:52:49,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:52:49,161 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:52:49,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:52:49,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:52:49,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:52:49,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:52:49,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:52:49,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:52:49,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:52:49,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:52:49,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:52:49,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:52:49,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:52:49,163 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:52:49,163 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:52:49,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:52:49,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:52:49,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:52:49,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:52:49,380 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:52:49,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2022-01-31 22:52:49,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e0edecf/c8405dc480764142825fa7f2e22523e1/FLAG8f117e8f9 [2022-01-31 22:52:49,854 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:52:49,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c [2022-01-31 22:52:49,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e0edecf/c8405dc480764142825fa7f2e22523e1/FLAG8f117e8f9 [2022-01-31 22:52:50,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e0edecf/c8405dc480764142825fa7f2e22523e1 [2022-01-31 22:52:50,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:52:50,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:52:50,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:52:50,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:52:50,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:52:50,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196c97bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50, skipping insertion in model container [2022-01-31 22:52:50,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:52:50,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:52:50,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c[593,606] [2022-01-31 22:52:50,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:52:50,444 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:52:50,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_union.c[593,606] [2022-01-31 22:52:50,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:52:50,468 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:52:50,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50 WrapperNode [2022-01-31 22:52:50,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:52:50,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:52:50,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:52:50,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:52:50,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:52:50,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:52:50,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:52:50,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:52:50,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (1/1) ... [2022-01-31 22:52:50,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:52:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:52:50,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 22:52:50,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 22:52:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:52:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:52:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:52:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 22:52:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 22:52:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2022-01-31 22:52:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 22:52:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:52:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:52:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:52:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:52:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:52:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:52:50,617 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:52:50,619 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:52:50,773 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:52:50,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:52:50,778 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 22:52:50,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:52:50 BoogieIcfgContainer [2022-01-31 22:52:50,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:52:50,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:52:50,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:52:50,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:52:50,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:52:50" (1/3) ... [2022-01-31 22:52:50,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bac7eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:52:50, skipping insertion in model container [2022-01-31 22:52:50,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:52:50" (2/3) ... [2022-01-31 22:52:50,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bac7eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:52:50, skipping insertion in model container [2022-01-31 22:52:50,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:52:50" (3/3) ... [2022-01-31 22:52:50,786 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2022-01-31 22:52:50,789 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:52:50,789 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:52:50,821 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:52:50,826 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=JORDAN [2022-01-31 22:52:50,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:52:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 22:52:50,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-31 22:52:50,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:52:50,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 22:52:50,875 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 10 12) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L858 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L858 garLoopResultBuilder]: For program point L11-2(lines 10 12) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 10 12) no Hoare annotation was computed. [2022-01-31 22:52:50,876 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 52 60) the Hoare annotation is: true [2022-01-31 22:52:50,877 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 52 60) the Hoare annotation is: true [2022-01-31 22:52:50,877 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-01-31 22:52:50,877 INFO L861 garLoopResultBuilder]: At program point L58-1(line 58) the Hoare annotation is: true [2022-01-31 22:52:50,877 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 52 60) the Hoare annotation is: true [2022-01-31 22:52:50,877 INFO L861 garLoopResultBuilder]: At program point L33(line 33) the Hoare annotation is: true [2022-01-31 22:52:50,878 INFO L861 garLoopResultBuilder]: At program point castEXIT(lines 26 50) the Hoare annotation is: true [2022-01-31 22:52:50,878 INFO L861 garLoopResultBuilder]: At program point castFINAL(lines 26 50) the Hoare annotation is: true [2022-01-31 22:52:50,878 INFO L861 garLoopResultBuilder]: At program point castENTRY(lines 26 50) the Hoare annotation is: true [2022-01-31 22:52:50,878 INFO L861 garLoopResultBuilder]: At program point L42(lines 42 48) the Hoare annotation is: true [2022-01-31 22:52:50,878 INFO L861 garLoopResultBuilder]: At program point L42-2(lines 38 48) the Hoare annotation is: true [2022-01-31 22:52:50,878 INFO L861 garLoopResultBuilder]: At program point L38(lines 38 48) the Hoare annotation is: true [2022-01-31 22:52:50,879 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,879 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,879 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,879 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,879 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,879 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,880 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-01-31 22:52:50,880 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertENTRY(line 13) no Hoare annotation was computed. [2022-01-31 22:52:50,880 INFO L858 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-01-31 22:52:50,880 INFO L858 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-01-31 22:52:50,880 INFO L858 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-01-31 22:52:50,880 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2022-01-31 22:52:50,880 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2022-01-31 22:52:50,884 INFO L732 BasicCegarLoop]: Path program histogram: [] [2022-01-31 22:52:50,885 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:52:50,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:52:50 BoogieIcfgContainer [2022-01-31 22:52:50,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:52:50,892 INFO L158 Benchmark]: Toolchain (without parser) took 633.23ms. Allocated memory is still 183.5MB. Free memory was 129.4MB in the beginning and 132.0MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:52:50,893 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 183.5MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:52:50,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.54ms. Allocated memory is still 183.5MB. Free memory was 129.1MB in the beginning and 154.6MB in the end (delta: -25.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 22:52:50,894 INFO L158 Benchmark]: Boogie Preprocessor took 24.36ms. Allocated memory is still 183.5MB. Free memory was 154.6MB in the beginning and 152.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 22:52:50,894 INFO L158 Benchmark]: RCFGBuilder took 285.37ms. Allocated memory is still 183.5MB. Free memory was 152.9MB in the beginning and 141.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-31 22:52:50,895 INFO L158 Benchmark]: TraceAbstraction took 110.67ms. Allocated memory is still 183.5MB. Free memory was 140.9MB in the beginning and 132.0MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-31 22:52:50,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 183.5MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 205.54ms. Allocated memory is still 183.5MB. Free memory was 129.1MB in the beginning and 154.6MB in the end (delta: -25.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.36ms. Allocated memory is still 183.5MB. Free memory was 154.6MB in the beginning and 152.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 285.37ms. Allocated memory is still 183.5MB. Free memory was 152.9MB in the beginning and 141.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 110.67ms. Allocated memory is still 183.5MB. Free memory was 140.9MB in the beginning and 132.0MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. 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 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 19 NumberOfFragments, 19 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 26]: Procedure Contract for cast Derived contract for procedure cast: 1 - ProcedureContractResult [Line: 52]: Procedure Contract for main Derived contract for procedure main: 1 RESULT: Ultimate proved your program to be correct! [2022-01-31 22:52:50,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...