./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/singleton.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/singleton.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 f3491af59218a0433b9de95fff59451438a5c03e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/singleton.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 f3491af59218a0433b9de95fff59451438a5c03e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:39,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:39,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:39,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:39,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:39,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:39,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:39,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:39,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:39,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:39,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:39,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:39,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:39,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:39,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:39,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:39,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:39,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:39,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:39,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:39,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:39,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:39,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:39,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:39,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:39,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:39,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:39,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:39,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:39,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:39,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:39,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:39,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:39,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:39,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:39,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:39,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:39,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:39,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:39,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:39,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:39,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:39,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:39,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:39,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:39,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:39,745 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:39,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:39,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:39,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:39,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:39,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:39,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:39,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:39,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:39,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:39,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:39,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:39,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:39,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:39,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:39,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:39,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:39,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:39,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:39,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:39,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:39,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:39,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:39,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:39,762 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 -> f3491af59218a0433b9de95fff59451438a5c03e [2019-11-27 16:29:40,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:40,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:40,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:40,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:40,454 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:40,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton.i [2019-11-27 16:29:40,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e48fb21/2ad4dca45422474aa91640f7d0e9000f/FLAG199636af2 [2019-11-27 16:29:41,943 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:41,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton.i [2019-11-27 16:29:41,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e48fb21/2ad4dca45422474aa91640f7d0e9000f/FLAG199636af2 [2019-11-27 16:29:42,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e48fb21/2ad4dca45422474aa91640f7d0e9000f [2019-11-27 16:29:42,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:42,039 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:42,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:42,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:42,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:42,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9c0e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:42, skipping insertion in model container [2019-11-27 16:29:42,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:42,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:43,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:43,436 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:43,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:43,978 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43 WrapperNode [2019-11-27 16:29:43,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:43,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:43,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:43,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:44,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:44,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:44,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:44,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:44,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:43" (1/1) ... [2019-11-27 16:29:44,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:44,219 INFO L168 Benchmark]: Toolchain (without parser) took 2177.27 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 926.4 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:44,220 INFO L168 Benchmark]: CDTParser took 1.56 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 16:29:44,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1941.66 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 932.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:44,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.34 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:44,238 INFO L168 Benchmark]: Boogie Preprocessor took 75.81 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 926.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:44,244 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 1941.66 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 932.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 151.34 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.81 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 926.4 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:29:48,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:48,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:48,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:48,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:48,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:48,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:48,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:48,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:48,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:48,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:48,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:48,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:48,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:48,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:48,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:48,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:48,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:48,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:48,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:48,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:48,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:48,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:48,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:48,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:48,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:48,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:48,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:48,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:48,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:48,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:48,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:48,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:48,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:48,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:48,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:48,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:48,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:48,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:48,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:48,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:48,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:48,393 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:48,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:48,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:48,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:48,401 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:48,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:48,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:48,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:48,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:48,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:48,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:48,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:48,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:48,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:48,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:48,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:48,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:48,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:48,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:48,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:48,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:48,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:48,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:48,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:48,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:48,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:48,416 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:48,416 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:48,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:48,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:48,420 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 -> f3491af59218a0433b9de95fff59451438a5c03e [2019-11-27 16:29:49,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:49,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:49,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:49,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:49,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:49,105 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton.i [2019-11-27 16:29:49,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0370e718a/e7a946150558436c83ada37bea45d6b1/FLAG1a6443dc0 [2019-11-27 16:29:50,596 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:50,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton.i [2019-11-27 16:29:50,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0370e718a/e7a946150558436c83ada37bea45d6b1/FLAG1a6443dc0 [2019-11-27 16:29:50,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0370e718a/e7a946150558436c83ada37bea45d6b1 [2019-11-27 16:29:50,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:50,693 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:50,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:50,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:50,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:50,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:50" (1/1) ... [2019-11-27 16:29:50,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9c0e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:50, skipping insertion in model container [2019-11-27 16:29:50,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:50" (1/1) ... [2019-11-27 16:29:50,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:50,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:52,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:52,129 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:52,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:52,753 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:52,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52 WrapperNode [2019-11-27 16:29:52,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:52,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:52,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:52,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:52,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:52,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:52,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:52,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:52,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:52,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:53,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:53,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:53,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:53,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:53,062 INFO L168 Benchmark]: Toolchain (without parser) took 2370.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 926.4 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:53,066 INFO L168 Benchmark]: CDTParser took 0.37 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 16:29:53,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2064.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:53,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.60 ms. Allocated memory is still 1.0 GB. Free memory was 932.1 MB in the beginning and 926.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:53,074 INFO L168 Benchmark]: Boogie Preprocessor took 127.50 ms. Allocated memory is still 1.0 GB. Free memory is still 926.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:53,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 2064.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.60 ms. Allocated memory is still 1.0 GB. Free memory was 932.1 MB in the beginning and 926.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 127.50 ms. Allocated memory is still 1.0 GB. Free memory is still 926.4 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...