./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longer-1.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/pthread/stack_longer-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 1891bb638db5c84e8fa01d5309bc212f15b49e23 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_longer-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 1891bb638db5c84e8fa01d5309bc212f15b49e23 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:29:41,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:41,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:41,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:41,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:41,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:41,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:41,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:41,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:41,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:41,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:41,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:41,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:41,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:41,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:41,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:41,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:41,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:41,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:41,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:41,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:41,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:41,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:41,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:41,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:41,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:41,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:41,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:41,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:41,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:41,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:41,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:41,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:41,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:41,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:41,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:41,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:41,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:41,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:41,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:41,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:41,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:41,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:41,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:41,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:41,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:41,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:41,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:41,986 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:41,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:41,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:41,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:41,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:41,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:41,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:41,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:41,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:41,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:41,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:41,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:41,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:41,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:41,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:41,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:41,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:41,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:41,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:41,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:41,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:41,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:41,998 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 -> 1891bb638db5c84e8fa01d5309bc212f15b49e23 [2019-11-27 16:29:42,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:42,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:42,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:42,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:42,560 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:42,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longer-1.i [2019-11-27 16:29:42,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a5ce422/f981de8ec2f844e4ba7e24fa9629c9f6/FLAG419256ec4 [2019-11-27 16:29:44,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:44,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-1.i [2019-11-27 16:29:44,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a5ce422/f981de8ec2f844e4ba7e24fa9629c9f6/FLAG419256ec4 [2019-11-27 16:29:44,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a5ce422/f981de8ec2f844e4ba7e24fa9629c9f6 [2019-11-27 16:29:44,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:44,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:44,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:44,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:44,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:44,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:44, skipping insertion in model container [2019-11-27 16:29:44,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:44" (1/1) ... [2019-11-27 16:29:44,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:44,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:45,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:45,665 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:45,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:46,144 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:46,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46 WrapperNode [2019-11-27 16:29:46,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:46,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:46,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:46,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:46,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:46,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:46,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:46,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:46,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:46" (1/1) ... [2019-11-27 16:29:46,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:46,425 INFO L168 Benchmark]: Toolchain (without parser) took 2275.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 927.8 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:46,443 INFO L168 Benchmark]: CDTParser took 1.50 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 16:29:46,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1994.59 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. [2019-11-27 16:29:46,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.28 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. [2019-11-27 16:29:46,453 INFO L168 Benchmark]: Boogie Preprocessor took 88.85 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 927.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:46,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1994.59 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. * Boogie Procedure Inliner took 181.28 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. * Boogie Preprocessor took 88.85 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 927.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:29:50,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:50,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:50,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:50,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:50,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:50,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:50,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:50,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:50,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:50,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:50,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:50,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:50,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:50,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:50,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:50,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:50,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:50,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:50,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:50,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:50,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:50,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:50,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:50,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:50,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:50,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:50,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:50,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:50,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:50,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:50,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:50,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:50,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:50,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:50,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:50,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:50,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:50,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:50,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:50,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:50,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:50,729 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:50,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:50,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:50,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:50,738 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:50,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:50,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:50,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:50,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:50,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:50,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:50,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:50,743 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:50,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:50,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:50,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:50,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:50,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:50,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:50,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:50,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:50,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:50,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:50,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:50,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:50,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:50,753 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:50,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:50,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:50,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:50,758 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 -> 1891bb638db5c84e8fa01d5309bc212f15b49e23 [2019-11-27 16:29:51,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:51,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:51,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:51,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:51,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:51,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longer-1.i [2019-11-27 16:29:51,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7eaba96/bc30bfa0bd524e19b7b617f0b71a5f46/FLAG83b698922 [2019-11-27 16:29:52,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:52,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-1.i [2019-11-27 16:29:52,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7eaba96/bc30bfa0bd524e19b7b617f0b71a5f46/FLAG83b698922 [2019-11-27 16:29:52,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7eaba96/bc30bfa0bd524e19b7b617f0b71a5f46 [2019-11-27 16:29:52,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:52,979 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:52,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:52,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:52,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:53,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:53,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4893e87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:53, skipping insertion in model container [2019-11-27 16:29:53,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:52" (1/1) ... [2019-11-27 16:29:53,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:53,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:54,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:54,525 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:54,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:55,099 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:55,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55 WrapperNode [2019-11-27 16:29:55,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:55,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:55,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:55,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:55,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:55,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:55,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:55,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:55,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:55" (1/1) ... [2019-11-27 16:29:55,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:55,453 INFO L168 Benchmark]: Toolchain (without parser) took 2468.09 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. [2019-11-27 16:29:55,458 INFO L168 Benchmark]: CDTParser took 0.32 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 16:29:55,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2116.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:55,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.34 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:55,464 INFO L168 Benchmark]: Boogie Preprocessor took 136.74 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:55,475 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2116.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 937.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 202.34 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.74 ms. Allocated memory is still 1.0 GB. Free memory is still 932.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...