./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/25_stack.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 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/25_stack.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 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:35,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:35,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:35,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:35,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:35,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:35,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:35,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:35,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:35,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:36,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:36,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:36,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:36,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:36,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:36,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:36,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:36,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:36,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:36,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:36,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:36,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:36,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:36,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:36,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:36,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:36,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:36,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:36,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:36,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:36,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:36,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:36,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:36,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:36,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:36,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:36,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:36,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:36,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:36,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:36,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:36,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:36,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:36,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:36,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:36,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:36,173 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:36,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:36,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:36,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:36,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:36,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:36,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:36,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:36,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:36,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:36,183 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:36,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:36,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:36,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:36,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:36,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:36,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:36,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:36,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:36,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:36,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:36,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:36,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:36,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:36,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:36,191 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 -> 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 [2019-11-24 21:26:36,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:36,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:36,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:36,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:36,788 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:36,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-24 21:26:36,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4efba2417/c2082e655ae8489ebf6c46c096652e54/FLAG35050da16 [2019-11-24 21:26:38,247 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:38,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-24 21:26:38,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4efba2417/c2082e655ae8489ebf6c46c096652e54/FLAG35050da16 [2019-11-24 21:26:38,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4efba2417/c2082e655ae8489ebf6c46c096652e54 [2019-11-24 21:26:38,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:38,338 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:38,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:38,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:38,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:38,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:38" (1/1) ... [2019-11-24 21:26:38,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c23f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:38, skipping insertion in model container [2019-11-24 21:26:38,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:38" (1/1) ... [2019-11-24 21:26:38,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:38,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:39,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:39,613 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:39,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:39,996 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:39,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39 WrapperNode [2019-11-24 21:26:39,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:40,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:40,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:40,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:40,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:40,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:40,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:40,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:40,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:39" (1/1) ... [2019-11-24 21:26:40,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:40,291 INFO L168 Benchmark]: Toolchain (without parser) took 1946.60 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 961.0 MB in the end (delta: 644.3 kB). Peak memory consumption was 709.8 kB. Max. memory is 12.5 GB. [2019-11-24 21:26:40,299 INFO L168 Benchmark]: CDTParser took 3.25 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. [2019-11-24 21:26:40,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1656.83 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 961.0 MB in the end (delta: 644.3 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:40,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.45 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:40,306 INFO L168 Benchmark]: Boogie Preprocessor took 115.01 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:40,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.25 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 1656.83 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 961.0 MB in the end (delta: 644.3 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.45 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 115.01 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:44,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:44,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:44,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:44,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:44,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:44,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:44,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:44,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:44,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:44,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:44,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:44,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:44,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:44,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:44,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:44,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:44,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:44,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:44,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:44,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:44,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:44,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:44,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:44,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:44,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:44,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:44,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:44,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:44,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:44,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:44,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:44,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:44,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:44,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:44,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:44,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:44,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:44,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:44,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:44,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:44,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:44,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:44,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:44,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:44,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:44,530 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:44,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:44,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:44,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:44,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:44,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:44,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:44,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:44,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:44,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:44,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:44,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:44,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:44,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:44,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:44,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:44,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:44,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:44,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:44,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:44,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:44,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:44,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:44,546 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:44,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:44,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:44,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:44,550 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 -> 1c9cc9250758bd02f2f42dd11c7aeb9e71f9f397 [2019-11-24 21:26:45,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:45,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:45,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:45,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:45,218 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:45,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-24 21:26:45,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209057cb4/7548e8353b15478299823cb44907523f/FLAG72e6c5ed8 [2019-11-24 21:26:46,683 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:46,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-24 21:26:46,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209057cb4/7548e8353b15478299823cb44907523f/FLAG72e6c5ed8 [2019-11-24 21:26:46,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209057cb4/7548e8353b15478299823cb44907523f [2019-11-24 21:26:46,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:46,778 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:46,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:46,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:46,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:46,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b7a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:46, skipping insertion in model container [2019-11-24 21:26:46,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:46" (1/1) ... [2019-11-24 21:26:46,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:46,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:48,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:48,065 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:48,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:48,474 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:48,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48 WrapperNode [2019-11-24 21:26:48,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:48,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:48,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:48,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:48,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:48,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:48,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:48,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:48,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:48" (1/1) ... [2019-11-24 21:26:48,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:48,766 INFO L168 Benchmark]: Toolchain (without parser) took 1983.20 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 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:48,769 INFO L168 Benchmark]: CDTParser took 4.88 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. [2019-11-24 21:26:48,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1693.04 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 956.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:48,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.51 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:48,776 INFO L168 Benchmark]: Boogie Preprocessor took 114.67 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 951.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:48,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.88 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 1693.04 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 956.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.51 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.67 ms. Allocated memory is still 1.0 GB. Free memory was 956.7 MB in the beginning and 951.0 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...