./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-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_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-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 3d8055713fd53eeb56bcd9238f9dcabb5b01b8ef ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:28:40,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:28:40,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:28:40,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:28:40,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:28:40,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:28:40,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:28:40,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:28:40,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:28:40,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:28:40,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:28:40,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:28:40,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:28:40,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:28:40,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:28:40,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:28:40,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:28:40,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:28:40,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:28:40,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:28:40,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:28:40,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:28:40,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:28:40,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:28:40,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:28:40,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:28:40,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:28:40,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:28:40,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:28:40,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:28:40,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:28:40,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:28:40,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:28:40,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:28:40,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:28:40,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:28:40,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:28:40,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:28:40,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:28:40,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:28:40,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:28:40,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:28:40,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:28:40,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:28:40,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:28:40,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:28:40,779 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:28:40,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:28:40,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:28:40,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:28:40,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:28:40,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:28:40,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:28:40,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:28:40,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:28:40,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:28:40,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:28:40,785 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:28:40,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:28:40,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:28:40,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:28:40,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:28:40,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:28:40,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:28:40,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:28:40,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:28:40,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:28:40,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:28:40,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:28:40,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:28:40,795 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 -> 3d8055713fd53eeb56bcd9238f9dcabb5b01b8ef [2019-11-16 21:28:41,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:28:41,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:28:41,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:28:41,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:28:41,362 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:28:41,364 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-11-16 21:28:41,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8897b4115/9b11940074f04a6792bf474060a1a8ee/FLAG8f14059f8 [2019-11-16 21:28:43,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:28:43,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2019-11-16 21:28:43,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8897b4115/9b11940074f04a6792bf474060a1a8ee/FLAG8f14059f8 [2019-11-16 21:28:43,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8897b4115/9b11940074f04a6792bf474060a1a8ee [2019-11-16 21:28:43,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:28:43,707 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:28:43,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:28:43,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:28:43,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:28:43,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:28:43" (1/1) ... [2019-11-16 21:28:43,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f4f76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:43, skipping insertion in model container [2019-11-16 21:28:43,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:28:43" (1/1) ... [2019-11-16 21:28:43,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:28:44,477 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:28:48,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:28:48,488 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:28:50,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:28:50,687 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:28:50,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50 WrapperNode [2019-11-16 21:28:50,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:28:50,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:28:50,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:28:50,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:28:50,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:50,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:51,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:28:51,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:28:51,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:28:51,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:28:51,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:51,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:52,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:52,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:52,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:52,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:52,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:28:50" (1/1) ... [2019-11-16 21:28:52,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:28:52,641 INFO L168 Benchmark]: Toolchain (without parser) took 8930.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 890.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:28:52,642 INFO L168 Benchmark]: CDTParser took 0.44 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 21:28:52,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6982.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 758.9 MB in the end (delta: 185.7 MB). Peak memory consumption was 185.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:28:52,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 1201.04 ms. Allocated memory is still 1.0 GB. Free memory was 758.9 MB in the beginning and 928.6 MB in the end (delta: -169.8 MB). Peak memory consumption was 106.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:28:52,653 INFO L168 Benchmark]: Boogie Preprocessor took 737.06 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 890.2 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:28:52,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 6982.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 758.9 MB in the end (delta: 185.7 MB). Peak memory consumption was 185.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1201.04 ms. Allocated memory is still 1.0 GB. Free memory was 758.9 MB in the beginning and 928.6 MB in the end (delta: -169.8 MB). Peak memory consumption was 106.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 737.06 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 890.2 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...