./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --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/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.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 9b641c8d3060196d396aa2e6696a1d05c7ae1dc2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:29:34,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:29:34,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:29:34,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:29:34,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:29:34,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:29:34,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:29:34,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:29:34,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:29:34,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:29:34,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:29:34,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:29:34,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:29:34,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:29:34,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:29:34,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:29:34,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:29:34,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:29:34,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:29:34,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:29:34,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:29:34,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:29:34,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:29:34,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:29:34,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:29:34,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:29:34,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:29:34,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:29:34,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:29:34,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:29:34,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:29:34,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:29:34,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:29:34,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:29:34,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:29:34,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:29:34,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:29:34,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:29:34,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:29:34,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:29:34,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:29:34,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:29:34,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:29:34,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:29:34,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:29:34,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:29:34,273 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:29:34,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:29:34,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:29:34,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:29:34,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:29:34,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:29:34,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:29:34,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:29:34,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:29:34,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:29:34,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:29:34,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:29:34,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:29:34,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:29:34,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:29:34,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:29:34,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:29:34,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:29:34,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:29:34,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:29:34,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:29:34,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:29:34,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:29:34,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:29:34,288 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 -> 9b641c8d3060196d396aa2e6696a1d05c7ae1dc2 [2019-11-16 21:29:34,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:29:34,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:29:34,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:29:34,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:29:34,973 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:29:34,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-16 21:29:35,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18abb2a89/f5da2d7942254928993feb8d9b022d0e/FLAG575db1b24 [2019-11-16 21:29:36,502 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:29:36,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-16 21:29:36,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18abb2a89/f5da2d7942254928993feb8d9b022d0e/FLAG575db1b24 [2019-11-16 21:29:36,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18abb2a89/f5da2d7942254928993feb8d9b022d0e [2019-11-16 21:29:36,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:29:36,618 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:29:36,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:29:36,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:29:36,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:29:36,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:29:36" (1/1) ... [2019-11-16 21:29:36,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0f7740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:36, skipping insertion in model container [2019-11-16 21:29:36,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:29:36" (1/1) ... [2019-11-16 21:29:36,656 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:29:36,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:29:39,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:29:39,155 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:29:40,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:29:40,305 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:29:40,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40 WrapperNode [2019-11-16 21:29:40,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:29:40,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:29:40,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:29:40,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:29:40,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:29:40,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:29:40,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:29:40,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:29:40,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:29:40" (1/1) ... [2019-11-16 21:29:40,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:29:40,909 INFO L168 Benchmark]: Toolchain (without parser) took 4284.07 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 938.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:40,910 INFO L168 Benchmark]: CDTParser took 2.52 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 21:29:40,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3683.19 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 956.1 MB in the end (delta: -120.8 kB). Peak memory consumption was 32.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:40,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 258.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.1 MB in the beginning and 944.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:40,922 INFO L168 Benchmark]: Boogie Preprocessor took 331.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 938.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:29:40,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.52 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 3683.19 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 956.1 MB in the end (delta: -120.8 kB). Peak memory consumption was 32.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 258.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.1 MB in the beginning and 944.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 331.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 938.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...