./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/ddv-machzwd/ddv_machzwd_all.i -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 d3817421489e8c4b22e62c621a5d295134071c97 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:20:20,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:20:20,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:20:20,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:20:20,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:20:20,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:20:20,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:20:20,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:20:20,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:20:20,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:20:20,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:20:20,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:20:20,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:20:20,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:20:20,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:20:20,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:20:20,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:20:20,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:20:20,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:20:20,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:20:20,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:20:20,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:20:20,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:20:20,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:20:20,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:20:20,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:20:20,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:20:20,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:20:20,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:20:20,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:20:20,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:20:20,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:20:20,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:20:20,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:20:20,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:20:20,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:20:20,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:20:20,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:20:20,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:20:20,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:20:20,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:20:20,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:20:20,329 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:20:20,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:20:20,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:20:20,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:20:20,338 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:20:20,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:20:20,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:20:20,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:20:20,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:20:20,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:20:20,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:20:20,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:20:20,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:20:20,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:20:20,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:20:20,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:20:20,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:20:20,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:20:20,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:20:20,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:20:20,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:20:20,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:20:20,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:20:20,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:20:20,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:20:20,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:20:20,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:20:20,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:20:20,354 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 -> d3817421489e8c4b22e62c621a5d295134071c97 [2019-11-16 21:20:20,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:20:20,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:20:20,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:20:20,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:20:20,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:20:20,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-11-16 21:20:21,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76217823/f4275d79ec634cd2be921747c9a4051e/FLAGefe3a5552 [2019-11-16 21:20:22,749 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:20:22,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-11-16 21:20:22,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76217823/f4275d79ec634cd2be921747c9a4051e/FLAGefe3a5552 [2019-11-16 21:20:22,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76217823/f4275d79ec634cd2be921747c9a4051e [2019-11-16 21:20:22,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:20:22,894 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:20:22,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:22,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:20:22,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:20:22,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:22" (1/1) ... [2019-11-16 21:20:22,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359d2217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:22, skipping insertion in model container [2019-11-16 21:20:22,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:22" (1/1) ... [2019-11-16 21:20:22,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:20:23,134 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:20:26,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:26,311 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:20:26,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:28,050 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:20:28,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28 WrapperNode [2019-11-16 21:20:28,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:28,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:28,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:20:28,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:20:28,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:28,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:20:28,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:20:28,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:20:28,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:28" (1/1) ... [2019-11-16 21:20:28,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:20:28,973 INFO L168 Benchmark]: Toolchain (without parser) took 6072.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 754.9 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:28,974 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:28,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5155.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 783.6 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:28,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.34 ms. Allocated memory is still 1.0 GB. Free memory was 783.6 MB in the beginning and 766.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:28,984 INFO L168 Benchmark]: Boogie Preprocessor took 365.66 ms. Allocated memory is still 1.0 GB. Free memory was 766.4 MB in the beginning and 754.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:29,000 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5155.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 783.6 MB in the end (delta: 172.4 MB). Peak memory consumption was 172.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 541.34 ms. Allocated memory is still 1.0 GB. Free memory was 783.6 MB in the beginning and 766.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 365.66 ms. Allocated memory is still 1.0 GB. Free memory was 766.4 MB in the beginning and 754.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...