./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-1.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/stack-1.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 0dad9539bf2db149292212fcb1359717a79b79e5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/stack-1.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 0dad9539bf2db149292212fcb1359717a79b79e5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:39,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:39,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:39,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:39,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:39,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:39,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:39,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:39,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:39,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:39,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:39,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:39,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:39,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:39,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:39,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:39,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:39,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:39,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:39,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:39,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:39,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:39,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:39,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:39,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:39,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:39,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:39,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:39,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:39,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:39,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:39,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:39,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:39,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:39,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:39,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:39,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:39,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:40,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:40,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:40,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:40,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:40,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:40,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:40,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:40,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:40,058 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:40,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:40,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:40,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:40,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:40,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:40,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:40,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:40,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:40,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:40,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:40,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:40,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:40,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:40,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:40,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:40,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:40,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:40,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:40,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:40,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:40,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:40,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:40,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:40,076 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 -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-27 16:29:40,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:40,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:40,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:40,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:40,682 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:40,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-27 16:29:40,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bb1e6b0/aec2ff9f1fc9407b99e8a6c2144d8a5f/FLAG792532e7b [2019-11-27 16:29:42,116 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:42,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-27 16:29:42,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bb1e6b0/aec2ff9f1fc9407b99e8a6c2144d8a5f/FLAG792532e7b [2019-11-27 16:29:42,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bb1e6b0/aec2ff9f1fc9407b99e8a6c2144d8a5f [2019-11-27 16:29:42,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:42,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:42,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:42,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:42,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:42,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b 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 16:29:42,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:42" (1/1) ... [2019-11-27 16:29:42,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:42,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:43,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:43,817 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:43,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:44,373 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:44,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44 WrapperNode [2019-11-27 16:29:44,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:44,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:44,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:44,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:44,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:44,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:44,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:44,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:44,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:44,702 INFO L168 Benchmark]: Toolchain (without parser) took 2482.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:44,714 INFO L168 Benchmark]: CDTParser took 0.49 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 16:29:44,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2156.83 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 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:44,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.14 ms. Allocated memory is still 1.0 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:44,726 INFO L168 Benchmark]: Boogie Preprocessor took 115.68 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:44,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 2156.83 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 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 200.14 ms. Allocated memory is still 1.0 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 115.68 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 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 16:29:48,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:48,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:48,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:48,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:48,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:48,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:48,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:48,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:48,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:48,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:48,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:48,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:48,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:48,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:48,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:48,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:48,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:48,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:48,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:48,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:48,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:48,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:48,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:48,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:48,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:48,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:48,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:48,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:48,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:48,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:48,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:48,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:48,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:48,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:48,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:48,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:48,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:48,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:48,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:48,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:48,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:48,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:48,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:48,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:48,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:48,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:48,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:48,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:48,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:48,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:48,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:48,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:48,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:48,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:48,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:48,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:48,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:48,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:48,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:48,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:48,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:48,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:48,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:48,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:48,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:48,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:48,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:48,995 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:48,995 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:48,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:48,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:48,997 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 -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-27 16:29:49,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:49,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:49,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:49,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:49,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:49,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-27 16:29:49,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b835eca1/0143c3222f2441ff9277553bd9e4f3d1/FLAG7f0a3ea33 [2019-11-27 16:29:51,083 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:51,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-27 16:29:51,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b835eca1/0143c3222f2441ff9277553bd9e4f3d1/FLAG7f0a3ea33 [2019-11-27 16:29:51,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b835eca1/0143c3222f2441ff9277553bd9e4f3d1 [2019-11-27 16:29:51,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:51,186 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:51,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:51,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:51,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:51,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:51" (1/1) ... [2019-11-27 16:29:51,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10339ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:51, skipping insertion in model container [2019-11-27 16:29:51,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:51" (1/1) ... [2019-11-27 16:29:51,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:51,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:52,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:52,791 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:52,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:53,329 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:53,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53 WrapperNode [2019-11-27 16:29:53,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:53,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:53,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:53,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:53,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:53,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:53,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:53,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:53,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53" (1/1) ... [2019-11-27 16:29:53,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:53,670 INFO L168 Benchmark]: Toolchain (without parser) took 2478.16 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 932.1 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:53,672 INFO L168 Benchmark]: CDTParser took 0.45 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 16:29:53,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2147.52 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 937.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:53,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.10 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:53,681 INFO L168 Benchmark]: Boogie Preprocessor took 120.69 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:53,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 2147.52 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 937.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 199.10 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.69 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 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...