./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_union.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d8a7d8fb8a6f3d9cad882f110dad1cedcf67f0c ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:34:58,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:58,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:58,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:58,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:58,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:58,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:58,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:58,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:58,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:58,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:58,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:58,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:58,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:58,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:58,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:58,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:58,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:58,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:58,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:58,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:58,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:58,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:58,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:58,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:58,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:58,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:58,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:58,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:58,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:58,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:58,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:58,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:58,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:58,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:58,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:58,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:58,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:58,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:58,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:58,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:58,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:34:58,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:58,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:58,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:58,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:58,874 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:58,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:58,875 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:58,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:34:58,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:58,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:58,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:58,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:58,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:58,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:58,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:58,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:58,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:58,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:58,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:58,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:58,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:58,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:58,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:58,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:58,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:58,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:34:58,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:34:58,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:58,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d8a7d8fb8a6f3d9cad882f110dad1cedcf67f0c [2019-11-27 23:34:59,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:59,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:59,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:59,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:59,214 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:59,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2019-11-27 23:34:59,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c529e216/d1bc9c4915b64a2d8f809a4112981eee/FLAG0d61cf777 [2019-11-27 23:34:59,667 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:59,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2019-11-27 23:34:59,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c529e216/d1bc9c4915b64a2d8f809a4112981eee/FLAG0d61cf777 [2019-11-27 23:35:00,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c529e216/d1bc9c4915b64a2d8f809a4112981eee [2019-11-27 23:35:00,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:35:00,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:35:00,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:35:00,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:35:00,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:35:00,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00, skipping insertion in model container [2019-11-27 23:35:00,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:35:00,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:35:00,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:35:00,326 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:35:00,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:35:00,425 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:35:00,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00 WrapperNode [2019-11-27 23:35:00,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:35:00,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:35:00,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:35:00,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:35:00,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:35:00,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:35:00,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:35:00,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:35:00,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... [2019-11-27 23:35:00,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:35:00,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:35:00,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:35:00,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:35:00,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:35:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:35:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:35:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:35:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:35:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:35:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:35:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:35:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:35:00,970 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:35:00,971 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-27 23:35:00,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:00 BoogieIcfgContainer [2019-11-27 23:35:00,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:35:00,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:35:00,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:35:00,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:35:00,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:35:00" (1/3) ... [2019-11-27 23:35:00,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf80c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:35:00, skipping insertion in model container [2019-11-27 23:35:00,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:00" (2/3) ... [2019-11-27 23:35:00,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf80c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:35:00, skipping insertion in model container [2019-11-27 23:35:00,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:00" (3/3) ... [2019-11-27 23:35:00,981 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2019-11-27 23:35:00,992 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:35:01,000 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-27 23:35:01,013 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-27 23:35:01,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:35:01,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:35:01,040 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:35:01,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:35:01,040 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:35:01,040 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:35:01,041 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:35:01,041 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:35:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-27 23:35:01,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:35:01,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2019-11-27 23:35:01,110 INFO L246 CegarLoopResult]: For program point L33(lines 33 43) no Hoare annotation was computed. [2019-11-27 23:35:01,111 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:35:01,111 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:35:01,111 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:35:01,111 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:35:01,111 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:35:01,112 INFO L249 CegarLoopResult]: At program point L54(lines 47 55) the Hoare annotation is: true [2019-11-27 23:35:01,112 INFO L249 CegarLoopResult]: At program point L44(lines 21 45) the Hoare annotation is: true [2019-11-27 23:35:01,112 INFO L246 CegarLoopResult]: For program point L37(lines 37 43) no Hoare annotation was computed. [2019-11-27 23:35:01,112 INFO L246 CegarLoopResult]: For program point L37-2(lines 33 43) no Hoare annotation was computed. [2019-11-27 23:35:01,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:35:01 BoogieIcfgContainer [2019-11-27 23:35:01,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:35:01,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:35:01,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:35:01,122 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:35:01,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:00" (3/4) ... [2019-11-27 23:35:01,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:35:01,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-27 23:35:01,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-27 23:35:01,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:35:01,195 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:35:01,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:35:01,201 INFO L168 Benchmark]: Toolchain (without parser) took 1093.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -91.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:35:01,202 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:35:01,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:35:01,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:35:01,205 INFO L168 Benchmark]: Boogie Preprocessor took 55.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:35:01,206 INFO L168 Benchmark]: RCFGBuilder took 430.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:35:01,207 INFO L168 Benchmark]: TraceAbstraction took 147.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:35:01,208 INFO L168 Benchmark]: Witness Printer took 73.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:35:01,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 430.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 147.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 73.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...