./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim_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_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/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 96832dfae97efc9710fb813b6fbaafcdad425138 .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:30:27,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:30:27,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:30:27,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:30:27,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:30:27,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:30:27,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:30:27,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:30:27,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:30:27,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:30:27,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:30:27,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:30:27,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:30:27,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:30:27,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:30:27,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:30:27,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:30:27,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:30:27,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:30:27,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:30:27,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:30:27,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:30:27,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:30:27,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:30:27,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:30:27,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:30:27,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:30:27,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:30:27,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:30:27,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:30:27,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:30:27,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:30:27,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:30:27,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:30:27,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:30:27,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:30:27,113 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:30:27,129 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:30:27,129 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:30:27,130 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:30:27,130 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:30:27,131 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:30:27,131 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:30:27,131 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:30:27,131 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:30:27,131 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:30:27,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:30:27,133 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:30:27,133 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:30:27,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:30:27,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:30:27,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:30:27,135 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:30:27,135 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:30:27,135 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:30:27,135 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:30:27,135 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:30:27,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:30:27,136 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_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2018-10-26 21:30:27,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:30:27,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:30:27,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:30:27,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:30:27,179 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:30:27,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/fdim_true-unreach-call.i [2018-10-26 21:30:27,226 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/data/ba84a1ab9/d518dc35f4bd4fd285bae2cea75f8222/FLAG9b9c1b8ae [2018-10-26 21:30:27,637 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:30:27,638 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/sv-benchmarks/c/floats-esbmc-regression/fdim_true-unreach-call.i [2018-10-26 21:30:27,652 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/data/ba84a1ab9/d518dc35f4bd4fd285bae2cea75f8222/FLAG9b9c1b8ae [2018-10-26 21:30:27,672 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25c0af1c-5940-4bc3-ab13-bc0bbd766a01/bin-2019/ukojak/data/ba84a1ab9/d518dc35f4bd4fd285bae2cea75f8222 [2018-10-26 21:30:27,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:30:27,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:30:27,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:30:27,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:30:27,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:30:27,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:30:27" (1/1) ... [2018-10-26 21:30:27,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6005f6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:30:27, skipping insertion in model container [2018-10-26 21:30:27,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:30:27" (1/1) ... [2018-10-26 21:30:27,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:30:27,736 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:30:28,166 WARN L309 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: fdim [2018-10-26 21:30:28,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f1c56a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:30:28, skipping insertion in model container [2018-10-26 21:30:28,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:30:28,167 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-10-26 21:30:28,168 INFO L168 Benchmark]: Toolchain (without parser) took 492.54 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 937.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:30:28,171 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:30:28,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.23 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 937.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:30:28,174 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 490.23 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 937.0 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: fdim RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...