./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 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-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-da95e15 [2019-11-27 10:08:18,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:18,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:18,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:18,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:18,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:18,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:18,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:18,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:18,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:18,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:18,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:18,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:18,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:18,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:18,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:18,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:18,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:18,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:18,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:18,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:18,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:18,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:18,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:18,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:18,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:18,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:18,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:18,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:18,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:18,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:18,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:18,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:18,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:18,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:18,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:18,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:18,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:18,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:18,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:18,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:18,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:18,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:18,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:18,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:18,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:18,542 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:18,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:18,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:18,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:18,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:18,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:18,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:18,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:18,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:18,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:18,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:18,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:18,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:18,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:18,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:18,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:18,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:18,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:18,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:18,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:18,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:18,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:18,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:18,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:18,552 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 [2019-11-27 10:08:18,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:18,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:18,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:18,960 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:18,962 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:18,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-27 10:08:19,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a280d350/352e0798d5334ffeb2d364a707a30f68/FLAG1eec528ce [2019-11-27 10:08:19,920 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:19,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-27 10:08:19,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a280d350/352e0798d5334ffeb2d364a707a30f68/FLAG1eec528ce [2019-11-27 10:08:20,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a280d350/352e0798d5334ffeb2d364a707a30f68 [2019-11-27 10:08:20,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:20,110 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:20,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:20,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:20,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:20,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b72cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:20, skipping insertion in model container [2019-11-27 10:08:20,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:20" (1/1) ... [2019-11-27 10:08:20,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:20,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:20,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:20,896 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:21,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:21,129 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:21,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21 WrapperNode [2019-11-27 10:08:21,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:21,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:21,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:21,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:21,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:21,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:21,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:21,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:21,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:21" (1/1) ... [2019-11-27 10:08:21,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:21,320 INFO L168 Benchmark]: Toolchain (without parser) took 1205.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:21,321 INFO L168 Benchmark]: CDTParser took 1.60 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 10:08:21,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1014.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:21,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.77 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:21,339 INFO L168 Benchmark]: Boogie Preprocessor took 63.66 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:21,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60 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 1014.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 117.77 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.66 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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-da95e15 [2019-11-27 10:08:24,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:24,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:24,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:24,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:24,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:24,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:24,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:24,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:24,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:24,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:24,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:24,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:24,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:24,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:24,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:24,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:24,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:24,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:24,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:24,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:24,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:24,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:24,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:24,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:24,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:24,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:24,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:24,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:24,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:24,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:24,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:24,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:24,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:24,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:24,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:24,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:24,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:24,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:24,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:24,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:24,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:24,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:24,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:24,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:24,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:24,224 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:24,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:24,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:24,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:24,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:24,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:24,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:24,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:24,229 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:24,230 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:24,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:24,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:24,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:24,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:24,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:24,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:24,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:24,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:24,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:24,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:24,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:24,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:24,233 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:24,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:24,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:24,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:24,236 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 [2019-11-27 10:08:24,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:24,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:24,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:24,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:24,707 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:24,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-27 10:08:24,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338c379e8/2a400a458eb34af5a2c5de6280fe7cda/FLAGf8ed7e3b3 [2019-11-27 10:08:25,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:25,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack.i [2019-11-27 10:08:25,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338c379e8/2a400a458eb34af5a2c5de6280fe7cda/FLAGf8ed7e3b3 [2019-11-27 10:08:25,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338c379e8/2a400a458eb34af5a2c5de6280fe7cda [2019-11-27 10:08:25,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:25,850 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:25,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:25,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:25,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:25,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:25" (1/1) ... [2019-11-27 10:08:25,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:25, skipping insertion in model container [2019-11-27 10:08:25,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:25" (1/1) ... [2019-11-27 10:08:25,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:25,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:26,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:26,681 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:26,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:26,906 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:26,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26 WrapperNode [2019-11-27 10:08:26,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:26,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:26,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:26,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:26,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:27,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:27,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:27,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:27,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:27,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:27,138 INFO L168 Benchmark]: Toolchain (without parser) took 1286.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 962.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,143 INFO L168 Benchmark]: CDTParser took 1.55 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:27,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.23 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:27,150 INFO L168 Benchmark]: Boogie Preprocessor took 91.34 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 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 1052.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 968.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 132.23 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.34 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...