./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack-1.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 0dad9539bf2db149292212fcb1359717a79b79e5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack-1.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 0dad9539bf2db149292212fcb1359717a79b79e5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:49,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:49,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:49,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:49,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:49,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:49,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:49,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:49,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:49,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:49,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:49,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:49,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:49,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:49,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:49,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:49,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:49,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:49,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:49,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:49,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:49,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:49,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:49,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:49,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:49,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:49,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:49,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:49,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:49,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:49,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:49,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:49,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:49,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:49,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:49,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:49,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:49,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:49,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:49,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:49,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:49,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:49,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:49,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:49,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:49,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:49,334 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:49,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:49,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:49,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:49,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:49,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:49,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:49,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:49,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:49,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:49,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:49,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:49,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:49,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:49,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:49,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:49,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:49,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:49,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:49,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:49,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:49,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:49,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:49,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:49,350 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 -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-25 23:12:49,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:49,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:49,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:49,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:49,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:49,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-25 23:12:50,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faabfdf3e/494f7d8283f24dcdbe69b1cff0ad994a/FLAG3a69cf1bc [2019-11-25 23:12:51,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:51,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-25 23:12:51,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faabfdf3e/494f7d8283f24dcdbe69b1cff0ad994a/FLAG3a69cf1bc [2019-11-25 23:12:51,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faabfdf3e/494f7d8283f24dcdbe69b1cff0ad994a [2019-11-25 23:12:51,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:51,456 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:51,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:51,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:51,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:51,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:51" (1/1) ... [2019-11-25 23:12:51,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:51, skipping insertion in model container [2019-11-25 23:12:51,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:51" (1/1) ... [2019-11-25 23:12:51,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:51,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:52,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:52,873 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:53,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:53,442 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:53,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53 WrapperNode [2019-11-25 23:12:53,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:53,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:53,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:53,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:53,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:53,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:53,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:53,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:53,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:53,761 INFO L168 Benchmark]: Toolchain (without parser) took 2295.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 932.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:53,762 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:53,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1981.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:53,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.89 ms. Allocated memory is still 1.0 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:53,770 INFO L168 Benchmark]: Boogie Preprocessor took 114.65 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:53,781 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1981.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.89 ms. Allocated memory is still 1.0 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.65 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:57,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:57,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:57,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:57,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:57,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:57,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:57,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:57,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:57,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:57,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:57,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:57,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:57,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:57,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:57,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:57,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:57,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:57,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:57,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:57,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:57,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:57,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:57,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:57,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:57,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:57,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:57,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:57,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:57,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:57,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:57,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:57,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:57,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:57,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:57,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:57,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:57,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:57,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:57,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:57,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:57,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:57,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:57,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:57,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:57,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:57,783 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:57,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:57,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:57,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:57,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:57,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:57,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:57,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:57,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:57,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:57,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:57,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:57,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:57,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:57,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:57,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:57,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:57,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:57,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:57,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:57,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:57,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:57,797 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:57,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:57,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:57,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:57,803 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 -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-25 23:12:58,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:58,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:58,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:58,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:58,395 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:58,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-25 23:12:58,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcd5c0ea/3775b951710e4678bd3bc6e1ccf9e9a4/FLAGcb41a9f9f [2019-11-25 23:12:59,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:59,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-25 23:12:59,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcd5c0ea/3775b951710e4678bd3bc6e1ccf9e9a4/FLAGcb41a9f9f [2019-11-25 23:13:00,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcd5c0ea/3775b951710e4678bd3bc6e1ccf9e9a4 [2019-11-25 23:13:00,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:00,358 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:00,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:00,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:00,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:00,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4915e153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:00, skipping insertion in model container [2019-11-25 23:13:00,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:00,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:01,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:01,609 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:01,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:02,102 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:02,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02 WrapperNode [2019-11-25 23:13:02,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:02,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:02,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:02,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:02,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:02,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,435 INFO L168 Benchmark]: Toolchain (without parser) took 2070.40 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 933.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,436 INFO L168 Benchmark]: CDTParser took 2.75 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:02,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1742.11 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 939.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.83 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,444 INFO L168 Benchmark]: Boogie Preprocessor took 129.70 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:02,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.75 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 1742.11 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 939.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 188.83 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 129.70 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 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...