./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfa9b5ae03b552654908bc6467afad9021ca189c ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:57:18,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:57:18,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:57:18,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:57:18,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:57:18,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:57:18,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:57:18,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:57:18,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:57:18,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:57:18,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:57:18,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:57:18,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:57:18,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:57:18,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:57:18,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:57:18,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:57:18,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:57:18,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:57:18,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:57:18,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:57:18,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:57:18,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:57:18,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:57:18,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:57:18,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:57:18,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:57:18,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:57:18,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:57:18,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:57:18,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:57:18,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:57:18,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:57:18,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:57:18,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:57:18,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:57:18,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:57:18,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:57:18,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:57:18,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:57:18,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:57:18,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:57:18,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:57:18,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:57:18,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:57:18,879 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:57:18,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:57:18,879 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:57:18,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:57:18,880 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:57:18,886 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:57:18,886 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:57:18,887 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:57:18,887 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:57:18,887 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:57:18,888 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:57:18,888 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:57:18,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:57:18,889 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:57:18,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:57:18,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:57:18,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:57:18,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:57:18,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:57:18,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:57:18,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:57:18,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:57:18,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:57:18,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:57:18,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:57:18,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:57:18,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:57:18,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:57:18,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:57:18,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:57:18,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:57:18,894 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:57:18,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:57:18,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:57:18,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:57:18,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:57:18,895 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2021-10-13 06:57:19,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:57:19,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:57:19,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:57:19,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:57:19,201 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:57:19,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2021-10-13 06:57:19,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/data/825ffb221/c00a756e8f2c4ad79f7630c0846a9bb0/FLAGfa9935d84 [2021-10-13 06:57:19,723 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:57:19,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/sv-benchmarks/c/float-benchs/cast_float_union.c [2021-10-13 06:57:19,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/data/825ffb221/c00a756e8f2c4ad79f7630c0846a9bb0/FLAGfa9935d84 [2021-10-13 06:57:20,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/data/825ffb221/c00a756e8f2c4ad79f7630c0846a9bb0 [2021-10-13 06:57:20,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:57:20,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:57:20,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:57:20,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:57:20,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:57:20,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba4594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20, skipping insertion in model container [2021-10-13 06:57:20,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:57:20,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:57:20,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-10-13 06:57:20,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:57:20,328 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:57:20,340 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-10-13 06:57:20,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:57:20,363 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:57:20,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20 WrapperNode [2021-10-13 06:57:20,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:57:20,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:57:20,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:57:20,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:57:20,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:57:20,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:57:20,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:57:20,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:57:20,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:57:20,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:57:20,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:57:20,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:57:20,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (1/1) ... [2021-10-13 06:57:20,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:57:20,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:57:20,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:57:20,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:57:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:57:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:57:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 06:57:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 06:57:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 06:57:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:57:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:57:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 06:57:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:57:20,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:57:20,995 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 06:57:20,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:57:20 BoogieIcfgContainer [2021-10-13 06:57:20,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:57:20,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:57:21,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:57:21,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:57:21,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:57:20" (1/3) ... [2021-10-13 06:57:21,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3736c506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:57:21, skipping insertion in model container [2021-10-13 06:57:21,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:20" (2/3) ... [2021-10-13 06:57:21,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3736c506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:57:21, skipping insertion in model container [2021-10-13 06:57:21,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:57:20" (3/3) ... [2021-10-13 06:57:21,006 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2021-10-13 06:57:21,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:57:21,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 06:57:21,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3736c506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:57:21, skipping insertion in model container [2021-10-13 06:57:21,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:57:21,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:57:21,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:57:21,016 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:57:21,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:57:20" (3/3) ... [2021-10-13 06:57:21,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:57:21,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-13 06:57:21,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 06:57:21,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:57:21,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:57:21,098 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:57:21,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:57:21,100 INFO L168 Benchmark]: Toolchain (without parser) took 990.78 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 54.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:57:21,101 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 38.8 MB in the beginning and 38.8 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:57:21,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.72 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 82.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:57:21,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.51 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:57:21,103 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 80.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:57:21,103 INFO L168 Benchmark]: RCFGBuilder took 572.31 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 59.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:57:21,104 INFO L168 Benchmark]: TraceAbstraction took 15.42 ms. Allocated memory is still 107.0 MB. Free memory was 58.6 MB in the beginning and 57.6 MB in the end (delta: 979.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:57:21,105 INFO L168 Benchmark]: Witness Printer took 83.02 ms. Allocated memory is still 107.0 MB. Free memory was 57.6 MB in the beginning and 54.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:57:21,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 38.8 MB in the beginning and 38.8 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 253.72 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 82.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.51 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 107.0 MB. Free memory was 81.1 MB in the beginning and 80.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 572.31 ms. Allocated memory is still 107.0 MB. Free memory was 80.0 MB in the beginning and 59.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15.42 ms. Allocated memory is still 107.0 MB. Free memory was 58.6 MB in the beginning and 57.6 MB in the end (delta: 979.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 83.02 ms. Allocated memory is still 107.0 MB. Free memory was 57.6 MB in the beginning and 54.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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. RESULT: Ultimate proved your program to be correct! [2021-10-13 06:57:21,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fb736a-d83e-42ff-b048-74a92ef57ae1/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...