./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack_longest-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 1ed568caba4b883b0886336a3869d78e2ca18840 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-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 1ed568caba4b883b0886336a3869d78e2ca18840 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:07:52,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:52,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:52,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:52,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:52,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:52,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:52,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:52,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:52,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:52,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:52,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:52,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:52,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:52,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:52,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:52,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:52,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:52,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:52,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:52,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:52,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:52,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:52,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:52,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:52,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:52,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:52,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:52,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:52,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:52,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:52,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:52,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:52,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:52,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:52,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:52,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:52,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:52,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:52,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:52,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:52,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:52,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:52,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:52,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:52,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:52,821 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:52,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:52,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:52,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:52,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:52,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:52,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:52,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:52,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:52,828 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:52,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:52,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:52,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:52,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:52,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:52,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:52,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:52,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:52,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:52,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:52,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:52,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:52,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:52,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:52,838 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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-11-27 10:07:53,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:53,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:53,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:53,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:53,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:53,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-27 10:07:53,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267beefdc/8b6aad359c8f47468d8a49f3c133efc1/FLAGe912144ab [2019-11-27 10:07:54,923 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:54,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-27 10:07:54,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267beefdc/8b6aad359c8f47468d8a49f3c133efc1/FLAGe912144ab [2019-11-27 10:07:55,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267beefdc/8b6aad359c8f47468d8a49f3c133efc1 [2019-11-27 10:07:55,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:55,018 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:55,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:55,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:55,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:55,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:55" (1/1) ... [2019-11-27 10:07:55,039 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 10:07:55, skipping insertion in model container [2019-11-27 10:07:55,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:55" (1/1) ... [2019-11-27 10:07:55,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:55,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:56,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:56,421 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:56,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:56,911 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:56,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56 WrapperNode [2019-11-27 10:07:56,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:56,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:56,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:56,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:56,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:57,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:57,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:57,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:57,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56" (1/1) ... [2019-11-27 10:07:57,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:57,176 INFO L168 Benchmark]: Toolchain (without parser) took 2161.77 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 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:57,194 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:57,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1897.42 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 933.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:57,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.26 ms. Allocated memory is still 1.0 GB. Free memory is still 933.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:57,196 INFO L168 Benchmark]: Boogie Preprocessor took 76.58 ms. Allocated memory is still 1.0 GB. Free memory was 933.5 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 10:07:57,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1897.42 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 933.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.26 ms. Allocated memory is still 1.0 GB. Free memory is still 933.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.58 ms. Allocated memory is still 1.0 GB. Free memory was 933.5 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-da95e15 [2019-11-27 10:08:01,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:01,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:01,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:01,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:01,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:01,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:01,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:01,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:01,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:01,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:01,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:01,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:01,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:01,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:01,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:01,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:01,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:01,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:01,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:01,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:01,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:01,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:01,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:01,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:01,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:01,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:01,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:01,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:01,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:01,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:01,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:01,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:01,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:01,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:01,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:01,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:01,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:01,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:01,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:01,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:01,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:01,248 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:01,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:01,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:01,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:01,255 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:01,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:01,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:01,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:01,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:01,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:01,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:01,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:01,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:01,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:01,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:01,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:01,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:01,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:01,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:01,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:01,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:01,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:01,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:01,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:01,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:01,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:01,269 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:01,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:01,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:01,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:01,272 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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-11-27 10:08:01,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:01,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:01,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:01,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:01,850 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:01,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-27 10:08:02,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0a1357b/a68f92bf5fd44283bbcb674878691f35/FLAGabb05b722 [2019-11-27 10:08:03,307 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:03,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-1.i [2019-11-27 10:08:03,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0a1357b/a68f92bf5fd44283bbcb674878691f35/FLAGabb05b722 [2019-11-27 10:08:03,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0a1357b/a68f92bf5fd44283bbcb674878691f35 [2019-11-27 10:08:03,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:03,390 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:03,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:03,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:03,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:03,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6628c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:03, skipping insertion in model container [2019-11-27 10:08:03,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:03,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:04,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:04,867 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:05,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:05,433 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:05,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05 WrapperNode [2019-11-27 10:08:05,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:05,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:05,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:05,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:05,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:05,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,767 INFO L168 Benchmark]: Toolchain (without parser) took 2370.33 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 10:08:05,768 INFO L168 Benchmark]: CDTParser took 2.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:05,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2033.01 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 10:08:05,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.16 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 10:08:05,775 INFO L168 Benchmark]: Boogie Preprocessor took 130.71 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 10:08:05,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13 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 2033.01 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 189.16 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 130.71 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...