./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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_longest-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 194d8141f2fe46add34fe842cbce6b591bb89557 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_longest-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 194d8141f2fe46add34fe842cbce6b591bb89557 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:07:52,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:52,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:52,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:52,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:52,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:52,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:53,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:53,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:53,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:53,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:53,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:53,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:53,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:53,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:53,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:53,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:53,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:53,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:53,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:53,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:53,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:53,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:53,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:53,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:53,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:53,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:53,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:53,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:53,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:53,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:53,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:53,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:53,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:53,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:53,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:53,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:53,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:53,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:53,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:53,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:53,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:53,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:53,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:53,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:53,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:53,174 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:53,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:53,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:53,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:53,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:53,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:53,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:53,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:53,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:53,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:53,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:53,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:53,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:53,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:53,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:53,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:53,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:53,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:53,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:53,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:53,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:53,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:53,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:53,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:53,189 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 -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-27 10:07:53,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:53,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:53,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:53,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:53,858 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:53,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 10:07:54,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2fc1e95/3d0e5123e17842129be5a889083d3ce3/FLAG626b05435 [2019-11-27 10:07:55,231 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:55,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 10:07:55,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2fc1e95/3d0e5123e17842129be5a889083d3ce3/FLAG626b05435 [2019-11-27 10:07:55,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2fc1e95/3d0e5123e17842129be5a889083d3ce3 [2019-11-27 10:07:55,311 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:55,313 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:55,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:55,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:55,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:55,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:55" (1/1) ... [2019-11-27 10:07:55,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6628c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:55, skipping insertion in model container [2019-11-27 10:07:55,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:55" (1/1) ... [2019-11-27 10:07:55,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:55,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:56,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:56,666 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:56,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:57,190 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:57,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57 WrapperNode [2019-11-27 10:07:57,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:57,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:57,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:57,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:57,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:57,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:57,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:57,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:57,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:57" (1/1) ... [2019-11-27 10:07:57,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:57,423 INFO L168 Benchmark]: Toolchain (without parser) took 2105.76 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 10:07:57,425 INFO L168 Benchmark]: CDTParser took 0.36 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 10:07:57,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1869.45 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 943.5 MB in the end (delta: 18.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:57,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.21 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:57,436 INFO L168 Benchmark]: Boogie Preprocessor took 90.25 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 937.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:57,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1869.45 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 943.5 MB in the end (delta: 18.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.21 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 90.25 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 937.8 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-da95e15 [2019-11-27 10:08:01,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:01,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:01,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:01,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:01,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:01,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:01,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:01,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:01,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:01,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:01,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:01,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:01,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:01,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:01,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:01,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:01,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:01,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:01,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:01,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:01,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:01,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:01,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:01,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:01,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:01,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:01,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:01,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:01,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:01,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:01,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:01,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:01,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:01,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:01,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:01,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:01,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:01,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:01,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:01,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:01,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:01,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:01,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:01,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:01,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:01,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:01,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:01,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:01,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:01,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:01,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:01,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:01,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:01,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:01,480 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:01,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:01,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:01,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:01,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:01,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:01,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:01,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:01,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:01,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:01,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:01,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:01,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:01,487 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:01,489 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:01,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:01,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:01,491 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 -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-27 10:08:02,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:02,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:02,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:02,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:02,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:02,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 10:08:02,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cf856c82/22e048f50772472cb0d8a5b1ee4db247/FLAG71bdc9e4a [2019-11-27 10:08:03,484 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:03,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-27 10:08:03,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cf856c82/22e048f50772472cb0d8a5b1ee4db247/FLAG71bdc9e4a [2019-11-27 10:08:03,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cf856c82/22e048f50772472cb0d8a5b1ee4db247 [2019-11-27 10:08:03,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:03,556 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:03,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:03,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:03,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:03,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,590 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 27.11 10:08:03, skipping insertion in model container [2019-11-27 10:08:03,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:03,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:04,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:04,991 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:05,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:05,560 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:05,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05 WrapperNode [2019-11-27 10:08:05,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:05,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:05,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:05,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:05,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:05,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,883 INFO L168 Benchmark]: Toolchain (without parser) took 2323.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 10:08:05,891 INFO L168 Benchmark]: CDTParser took 0.35 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 10:08:05,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1994.42 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: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.76 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 10:08:05,897 INFO L168 Benchmark]: Boogie Preprocessor took 128.72 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 10:08:05,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1994.42 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: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.76 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 128.72 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...