./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/seq-pthread/cs_stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:29:19,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:19,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:19,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:19,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:19,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:19,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:19,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:19,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:19,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:19,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:19,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:19,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:19,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:19,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:19,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:19,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:19,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:19,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:19,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:19,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:19,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:19,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:19,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:19,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:19,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:19,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:19,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:19,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:19,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:19,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:19,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:19,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:19,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:19,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:19,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:19,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:19,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:19,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:19,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:19,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:19,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:19,500 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:19,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:19,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:19,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:19,508 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:19,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:19,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:19,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:19,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:19,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:19,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:19,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:19,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:19,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:19,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:19,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:19,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:19,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:19,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:19,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:19,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:19,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:19,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:19,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:19,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:19,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:19,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:19,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:19,525 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 -> 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 [2019-11-27 16:29:20,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:20,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:20,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:20,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:20,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:20,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 16:29:20,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf801b92/e9a7b7b501da4daaa15d15e947f105b3/FLAG579c559e9 [2019-11-27 16:29:21,668 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:21,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 16:29:21,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf801b92/e9a7b7b501da4daaa15d15e947f105b3/FLAG579c559e9 [2019-11-27 16:29:21,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf801b92/e9a7b7b501da4daaa15d15e947f105b3 [2019-11-27 16:29:21,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:21,750 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:21,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:21,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:21,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:21,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:21" (1/1) ... [2019-11-27 16:29:21,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:21, skipping insertion in model container [2019-11-27 16:29:21,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:21" (1/1) ... [2019-11-27 16:29:21,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:21,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:23,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:23,604 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:23,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:24,288 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:24,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24 WrapperNode [2019-11-27 16:29:24,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:24,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:24,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:24,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:24,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:24,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:24,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:24,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:24,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:24,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:24,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:24,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:24,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:24,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:25,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:25,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:25,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:24" (1/1) ... [2019-11-27 16:29:25,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:25,285 INFO L168 Benchmark]: Toolchain (without parser) took 3529.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 897.8 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:25,288 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:25,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2534.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 932.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:25,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 451.68 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 909.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:25,299 INFO L168 Benchmark]: Boogie Preprocessor took 529.97 ms. Allocated memory is still 1.0 GB. Free memory was 909.2 MB in the beginning and 897.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:25,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 2534.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 932.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 451.68 ms. Allocated memory is still 1.0 GB. Free memory was 932.2 MB in the beginning and 909.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 529.97 ms. Allocated memory is still 1.0 GB. Free memory was 909.2 MB in the beginning and 897.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:29:29,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:29,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:29,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:29,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:29,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:29,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:29,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:29,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:29,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:29,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:29,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:29,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:29,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:29,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:29,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:29,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:29,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:29,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:29,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:29,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:29,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:29,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:29,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:29,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:29,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:29,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:29,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:29,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:29,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:29,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:29,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:29,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:29,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:29,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:29,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:29,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:29,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:29,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:29,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:29,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:29,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:29,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:29,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:29,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:29,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:29,595 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:29,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:29,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:29,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:29,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:29,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:29,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:29,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:29,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:29,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:29,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:29,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:29,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:29,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:29,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:29,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:29,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:29,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:29,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:29,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:29,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:29,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:29,611 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:29,611 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:29,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:29,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:29,613 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 -> 81fc0a71d31f32382b855a49fa54b5275cd6dcd7 [2019-11-27 16:29:30,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:30,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:30,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:30,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:30,234 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:30,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 16:29:30,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641577ff3/476b581bfd28498e968ba420cc204310/FLAGf20db0b4d [2019-11-27 16:29:31,747 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:31,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2019-11-27 16:29:31,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641577ff3/476b581bfd28498e968ba420cc204310/FLAGf20db0b4d [2019-11-27 16:29:31,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641577ff3/476b581bfd28498e968ba420cc204310 [2019-11-27 16:29:31,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:31,865 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:31,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:31,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:31,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:31,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d2a3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:31, skipping insertion in model container [2019-11-27 16:29:31,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:31" (1/1) ... [2019-11-27 16:29:31,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:32,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:33,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:33,859 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:34,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:34,606 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:34,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34 WrapperNode [2019-11-27 16:29:34,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:34,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:34,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:34,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:34,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:34,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:35,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:35,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:35,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:35,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:34" (1/1) ... [2019-11-27 16:29:35,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:35,483 INFO L168 Benchmark]: Toolchain (without parser) took 3611.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 892.1 MB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:35,484 INFO L168 Benchmark]: CDTParser took 0.55 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 16:29:35,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2735.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 926.4 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:35,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 447.81 ms. Allocated memory is still 1.0 GB. Free memory was 926.4 MB in the beginning and 909.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:35,494 INFO L168 Benchmark]: Boogie Preprocessor took 411.65 ms. Allocated memory is still 1.0 GB. Free memory was 909.2 MB in the beginning and 892.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:35,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 2735.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 926.4 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 447.81 ms. Allocated memory is still 1.0 GB. Free memory was 926.4 MB in the beginning and 909.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 411.65 ms. Allocated memory is still 1.0 GB. Free memory was 909.2 MB in the beginning and 892.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...