./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-2.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_longest-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 194d8141f2fe46add34fe842cbce6b591bb89557 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_longest-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 194d8141f2fe46add34fe842cbce6b591bb89557 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:12:50,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:50,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:50,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:50,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:50,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:50,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:50,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:50,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:50,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:50,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:50,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:50,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:50,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:50,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:50,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:50,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:50,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:50,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:50,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:50,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:50,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:50,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:50,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:50,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:50,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:50,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:50,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:50,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:50,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:50,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:50,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:50,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:50,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:50,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:50,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:50,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:50,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:50,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:50,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:50,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:50,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:50,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:50,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:50,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:50,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:50,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:50,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:50,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:50,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:50,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:50,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:50,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:50,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:50,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:50,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:50,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:50,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:50,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:50,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:50,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:50,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:50,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:50,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:50,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:50,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:50,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:50,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:50,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:50,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:50,975 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 -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-25 23:12:51,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:51,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:51,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:51,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:51,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:51,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-25 23:12:51,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6d61b3f/0ce06c3816df4c28b32ed6caa2ebb145/FLAG073b966c1 [2019-11-25 23:12:52,985 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:52,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-25 23:12:53,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6d61b3f/0ce06c3816df4c28b32ed6caa2ebb145/FLAG073b966c1 [2019-11-25 23:12:53,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6d61b3f/0ce06c3816df4c28b32ed6caa2ebb145 [2019-11-25 23:12:53,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:53,097 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:53,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:53,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:53,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:53,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,118 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 11:12:53, skipping insertion in model container [2019-11-25 23:12:53,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:53,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:54,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:54,434 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:54,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:54,984 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:54,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54 WrapperNode [2019-11-25 23:12:54,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:54,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:54,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:54,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:55,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:55,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:55,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:55,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:55,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:54" (1/1) ... [2019-11-25 23:12:55,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:55,289 INFO L168 Benchmark]: Toolchain (without parser) took 2194.95 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 29.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,294 INFO L168 Benchmark]: CDTParser took 1.32 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. [2019-11-25 23:12:55,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1887.63 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:55,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.61 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:55,302 INFO L168 Benchmark]: Boogie Preprocessor took 114.64 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 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 23:12:55,312 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 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 1887.63 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 937.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 178.61 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.64 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 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 23:12:59,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:59,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:59,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:59,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:59,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:59,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:59,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:59,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:59,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:59,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:59,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:59,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:59,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:59,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:59,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:59,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:59,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:59,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:59,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:59,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:59,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:59,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:59,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:59,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:59,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:59,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:59,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:59,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:59,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:59,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:59,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:59,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:59,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:59,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:59,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:59,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:59,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:59,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:59,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:59,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:59,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:59,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:59,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:59,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:59,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:59,405 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:59,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:59,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:59,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:59,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:59,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:59,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:59,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:59,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:59,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:59,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:59,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:59,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:59,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:59,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:59,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:59,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:59,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:59,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:59,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:59,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:59,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:59,419 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:59,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:59,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:59,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:59,426 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 -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-25 23:12:59,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:59,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:59,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:59,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:59,979 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:59,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-25 23:13:00,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096a9991b/9a13f254bef74b7ca965c027d21d72ab/FLAG39d31ca43 [2019-11-25 23:13:01,237 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:01,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-25 23:13:01,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096a9991b/9a13f254bef74b7ca965c027d21d72ab/FLAG39d31ca43 [2019-11-25 23:13:01,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096a9991b/9a13f254bef74b7ca965c027d21d72ab [2019-11-25 23:13:01,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:01,788 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:01,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:01,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:01,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:01,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:01" (1/1) ... [2019-11-25 23:13:01,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8bcb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:01, skipping insertion in model container [2019-11-25 23:13:01,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:01" (1/1) ... [2019-11-25 23:13:01,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:01,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:03,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:03,184 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:03,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:03,682 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:03,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03 WrapperNode [2019-11-25 23:13:03,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:03,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:03,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:03,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:03,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:03,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:03,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:03,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:03,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:03" (1/1) ... [2019-11-25 23:13:03,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:03,994 INFO L168 Benchmark]: Toolchain (without parser) took 2200.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 933.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:03,995 INFO L168 Benchmark]: CDTParser took 0.23 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 23:13:03,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1883.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 939.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:04,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.62 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 23:13:04,001 INFO L168 Benchmark]: Boogie Preprocessor took 126.28 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. [2019-11-25 23:13:04,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1883.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 939.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.62 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 126.28 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...