./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/20_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/pthread-ext/20_lamport.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 4bd0a104431602f65d67040bef1f743648c257ee ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/pthread-ext/20_lamport.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 4bd0a104431602f65d67040bef1f743648c257ee ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:30:07,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:07,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:07,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:07,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:07,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:07,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:07,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:07,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:07,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:07,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:07,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:07,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:07,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:07,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:07,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:07,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:07,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:07,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:07,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:07,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:07,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:07,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:07,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:07,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:07,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:07,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:07,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:07,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:07,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:07,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:07,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:07,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:07,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:07,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:07,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:07,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:07,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:07,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:07,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:07,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:07,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:30:07,733 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:07,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:07,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:07,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:07,744 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:07,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:07,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:07,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:30:07,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:07,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:07,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:07,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:07,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:07,751 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:07,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:07,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:07,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:07,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:07,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:07,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:07,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:07,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:07,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:07,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:07,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:07,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:30:07,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:30:07,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:07,761 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 -> 4bd0a104431602f65d67040bef1f743648c257ee [2019-11-27 16:30:08,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:08,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:08,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:08,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:08,479 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:08,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/20_lamport.i [2019-11-27 16:30:08,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4b3441b/b06421b986804e3c94c1c5cd20f7ff9b/FLAG850551830 [2019-11-27 16:30:09,919 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:09,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/20_lamport.i [2019-11-27 16:30:09,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4b3441b/b06421b986804e3c94c1c5cd20f7ff9b/FLAG850551830 [2019-11-27 16:30:10,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4b3441b/b06421b986804e3c94c1c5cd20f7ff9b [2019-11-27 16:30:10,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:10,022 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:10,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:10,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:10,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:10,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:10" (1/1) ... [2019-11-27 16:30:10,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b512bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:10, skipping insertion in model container [2019-11-27 16:30:10,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:10" (1/1) ... [2019-11-27 16:30:10,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:10,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:11,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:11,190 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:11,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:11,489 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:11,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11 WrapperNode [2019-11-27 16:30:11,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:11,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:11,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:11,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:11,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:11,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:11,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:11,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:11,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:11" (1/1) ... [2019-11-27 16:30:11,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:11,735 INFO L168 Benchmark]: Toolchain (without parser) took 1706.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 703.2 kB). Peak memory consumption was 768.8 kB. Max. memory is 12.5 GB. [2019-11-27 16:30:11,736 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:11,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1467.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 703.2 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:11,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.07 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:11,754 INFO L168 Benchmark]: Boogie Preprocessor took 91.51 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:11,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1467.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 703.2 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.07 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.51 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:30:15,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:30:15,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:30:15,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:30:15,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:30:15,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:30:15,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:30:15,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:30:15,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:30:15,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:30:15,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:30:15,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:30:15,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:30:15,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:30:15,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:30:15,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:30:15,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:30:15,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:30:15,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:30:15,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:30:15,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:30:15,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:30:15,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:30:15,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:30:15,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:30:15,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:30:15,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:30:15,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:30:15,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:30:15,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:30:15,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:30:15,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:30:15,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:30:15,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:30:15,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:30:15,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:30:15,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:30:15,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:30:15,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:30:15,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:30:15,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:30:15,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:30:15,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:30:15,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:30:15,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:30:15,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:30:15,844 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:30:15,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:30:15,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:30:15,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:30:15,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:30:15,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:30:15,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:30:15,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:30:15,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:30:15,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:30:15,851 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:30:15,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:30:15,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:30:15,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:30:15,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:30:15,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:30:15,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:30:15,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:30:15,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:30:15,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:30:15,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:30:15,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:30:15,859 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:30:15,860 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:30:15,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:30:15,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:30:15,862 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 4bd0a104431602f65d67040bef1f743648c257ee [2019-11-27 16:30:16,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:30:16,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:30:16,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:30:16,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:30:16,475 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:30:16,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/20_lamport.i [2019-11-27 16:30:16,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321ab0e65/4152f211737f4c2d8edf28e6ca1ea53e/FLAG54fbd80c6 [2019-11-27 16:30:17,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:30:17,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/20_lamport.i [2019-11-27 16:30:17,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321ab0e65/4152f211737f4c2d8edf28e6ca1ea53e/FLAG54fbd80c6 [2019-11-27 16:30:18,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321ab0e65/4152f211737f4c2d8edf28e6ca1ea53e [2019-11-27 16:30:18,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:30:18,320 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:30:18,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:18,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:30:18,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:30:18,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:18" (1/1) ... [2019-11-27 16:30:18,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119fd03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:18, skipping insertion in model container [2019-11-27 16:30:18,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:30:18" (1/1) ... [2019-11-27 16:30:18,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:30:18,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:30:19,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:19,535 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:30:19,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:30:19,852 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:30:19,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19 WrapperNode [2019-11-27 16:30:19,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:30:19,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:19,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:30:19,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:30:19,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:19,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:19,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:30:19,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:30:19,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:30:19,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:30:19,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:19,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:19,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:19,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:20,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:20,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:20,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:30:19" (1/1) ... [2019-11-27 16:30:20,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:30:20,098 INFO L168 Benchmark]: Toolchain (without parser) took 1763.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:20,100 INFO L168 Benchmark]: CDTParser took 1.53 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. [2019-11-27 16:30:20,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1518.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:20,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.33 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:30:20,114 INFO L168 Benchmark]: Boogie Preprocessor took 99.90 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:30:20,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 1518.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.33 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 99.90 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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...