./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6526079147d40b1f80595aa68630e576c5a98759 ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:00:10,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:00:10,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:00:10,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:00:10,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:00:10,663 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:00:10,664 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:00:10,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:00:10,667 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:00:10,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:00:10,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:00:10,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:00:10,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:00:10,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:00:10,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:00:10,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:00:10,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:00:10,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:00:10,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:00:10,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:00:10,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:00:10,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:00:10,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:00:10,702 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:00:10,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:00:10,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:00:10,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:00:10,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:00:10,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:00:10,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:00:10,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:00:10,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:00:10,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:00:10,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:00:10,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:00:10,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:00:10,714 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:00:10,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:00:10,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:00:10,733 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:00:10,733 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:00:10,734 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:00:10,734 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:00:10,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:00:10,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:00:10,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:00:10,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:00:10,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:00:10,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:00:10,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:00:10,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:00:10,736 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:00:10,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:00:10,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:00:10,736 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:00:10,736 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:00:10,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:00:10,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:00:10,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:00:10,737 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:00:10,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:00:10,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:00:10,738 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:00:10,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:00:10,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:00:10,738 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak 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 -> Kojak 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 -> 6526079147d40b1f80595aa68630e576c5a98759 [2018-10-27 00:00:10,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:00:10,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:00:10,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:00:10,788 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:00:10,788 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:00:10,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i [2018-10-27 00:00:10,851 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/data/38ae26066/146913387dfe40ba8a69564879d89575/FLAG6a4b51a80 [2018-10-27 00:00:11,331 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:00:11,332 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/sv-benchmarks/c/floats-esbmc-regression/floor_true-unreach-call.i [2018-10-27 00:00:11,355 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/data/38ae26066/146913387dfe40ba8a69564879d89575/FLAG6a4b51a80 [2018-10-27 00:00:11,370 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c3a4c94-ff8c-44b5-bdb9-090ae7b6bb89/bin-2019/ukojak/data/38ae26066/146913387dfe40ba8a69564879d89575 [2018-10-27 00:00:11,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:00:11,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:00:11,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:00:11,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:00:11,381 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:00:11,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:00:11" (1/1) ... [2018-10-27 00:00:11,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d1722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:00:11, skipping insertion in model container [2018-10-27 00:00:11,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:00:11" (1/1) ... [2018-10-27 00:00:11,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:00:11,458 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:00:11,967 WARN L309 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: floor [2018-10-27 00:00:11,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d80b4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:00:11, skipping insertion in model container [2018-10-27 00:00:11,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:00:11,968 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-10-27 00:00:11,969 INFO L168 Benchmark]: Toolchain (without parser) took 595.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:00:11,971 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:00:11,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.01 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:00:11,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.01 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 871]: Unsupported Syntax Unsupported function from math.h: floor RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...