./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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-2.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 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-2.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 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:49,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:49,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:49,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:49,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:49,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:49,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:49,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:49,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:49,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:49,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:49,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:49,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:49,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:49,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:49,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:49,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:49,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:49,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:49,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:49,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:49,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:49,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:49,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:49,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:49,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:49,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:49,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:49,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:49,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:49,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:49,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:49,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:49,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:49,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:49,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:49,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:49,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:49,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:49,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:49,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:49,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:49,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:49,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:49,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:49,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:49,707 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:49,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:49,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:49,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:49,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:49,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:49,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:49,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:49,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:49,714 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:49,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:49,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:49,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:49,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:49,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:49,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:49,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:49,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:49,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:49,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:49,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:49,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:49,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:49,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:49,721 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 -> 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 [2019-11-25 23:12:50,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:50,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:50,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:50,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:50,311 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:50,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-2.i [2019-11-25 23:12:50,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc2a2906/364124ad7747436abfd5bf3a6c68c98a/FLAGdbf066b94 [2019-11-25 23:12:51,824 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:51,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-2.i [2019-11-25 23:12:51,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc2a2906/364124ad7747436abfd5bf3a6c68c98a/FLAGdbf066b94 [2019-11-25 23:12:51,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc2a2906/364124ad7747436abfd5bf3a6c68c98a [2019-11-25 23:12:51,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:51,924 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:51,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:51,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:51,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:51,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:51" (1/1) ... [2019-11-25 23:12:51,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:51, skipping insertion in model container [2019-11-25 23:12:51,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:51" (1/1) ... [2019-11-25 23:12:51,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:52,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:53,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:53,395 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:53,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:53,927 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:53,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53 WrapperNode [2019-11-25 23:12:53,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:53,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:53,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:53,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:53,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:54,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:54,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:54,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:54,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:54,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:54,238 INFO L168 Benchmark]: Toolchain (without parser) took 2307.98 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 932.0 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:54,245 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-25 23:12:54,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2005.10 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 937.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:54,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.66 ms. Allocated memory is still 1.0 GB. Free memory is still 937.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:54,251 INFO L168 Benchmark]: Boogie Preprocessor took 110.71 ms. Allocated memory is still 1.0 GB. Free memory was 937.7 MB in the beginning and 932.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:54,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 2005.10 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 937.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 186.66 ms. Allocated memory is still 1.0 GB. Free memory is still 937.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.71 ms. Allocated memory is still 1.0 GB. Free memory was 937.7 MB in the beginning and 932.0 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 0.1.24-65d6cd2 [2019-11-25 23:12:58,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:58,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:58,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:58,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:58,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:58,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:58,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:58,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:58,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:58,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:58,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:58,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:58,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:58,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:58,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:58,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:58,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:58,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:58,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:58,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:58,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:58,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:58,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:58,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:58,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:58,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:58,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:58,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:58,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:58,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:58,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:58,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:58,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:58,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:58,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:58,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:58,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:58,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:58,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:58,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:58,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:58,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:58,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:58,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:58,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:58,282 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:58,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:58,282 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:58,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:58,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:58,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:58,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:58,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:58,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:58,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:58,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:58,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:58,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:58,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:58,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:58,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:58,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:58,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:58,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:58,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:58,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:58,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:58,295 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:58,295 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:58,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:58,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:58,300 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 -> 56b20b6796faad8ab2b7905f19aea09fce4f4ac8 [2019-11-25 23:12:58,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:58,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:58,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:58,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:58,862 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:58,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-2.i [2019-11-25 23:12:59,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d317883/86a45cfe0c624b0480f657f8dadf5cff/FLAG288e86257 [2019-11-25 23:13:00,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:00,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-2.i [2019-11-25 23:13:00,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d317883/86a45cfe0c624b0480f657f8dadf5cff/FLAG288e86257 [2019-11-25 23:13:00,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d317883/86a45cfe0c624b0480f657f8dadf5cff [2019-11-25 23:13:00,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:00,445 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:00,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:00,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:00,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:00,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:00, skipping insertion in model container [2019-11-25 23:13:00,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:00,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:01,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:02,001 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:02,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:02,505 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:02,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02 WrapperNode [2019-11-25 23:13:02,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:02,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:02,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:02,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:02,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:02,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,874 INFO L168 Benchmark]: Toolchain (without parser) took 2424.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-25 23:13:02,878 INFO L168 Benchmark]: CDTParser took 3.00 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. [2019-11-25 23:13:02,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2060.68 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.11 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 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. [2019-11-25 23:13:02,888 INFO L168 Benchmark]: Boogie Preprocessor took 144.24 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. [2019-11-25 23:13:02,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.00 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 2060.68 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 208.11 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 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 144.24 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...