./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dad9539bf2db149292212fcb1359717a79b79e5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dad9539bf2db149292212fcb1359717a79b79e5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:07:51,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:07:51,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:07:51,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:07:51,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:07:51,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:07:51,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:07:51,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:07:51,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:07:51,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:07:51,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:07:51,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:07:51,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:07:51,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:07:51,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:07:52,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:07:52,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:07:52,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:07:52,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:07:52,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:07:52,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:07:52,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:07:52,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:07:52,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:07:52,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:07:52,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:07:52,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:07:52,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:07:52,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:07:52,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:07:52,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:07:52,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:07:52,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:07:52,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:07:52,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:07:52,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:07:52,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:07:52,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:07:52,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:07:52,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:07:52,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:07:52,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:07:52,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:07:52,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:07:52,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:07:52,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:07:52,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:07:52,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:07:52,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:07:52,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:07:52,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:07:52,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:07:52,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:07:52,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:07:52,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:07:52,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:07:52,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:07:52,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:07:52,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:07:52,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:07:52,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:07:52,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:07:52,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:07:52,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:07:52,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:07:52,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:07:52,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:07:52,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:07:52,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:07:52,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:07:52,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-27 10:07:52,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:07:52,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:07:52,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:07:52,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:07:52,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:07:52,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-27 10:07:52,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c421a104b/56a1b066eef2476e8d5b9b61eb5de7d1/FLAG8d4eaef17 [2019-11-27 10:07:54,278 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:07:54,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-27 10:07:54,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c421a104b/56a1b066eef2476e8d5b9b61eb5de7d1/FLAG8d4eaef17 [2019-11-27 10:07:54,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c421a104b/56a1b066eef2476e8d5b9b61eb5de7d1 [2019-11-27 10:07:54,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:07:54,373 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:07:54,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:54,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:07:54,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:07:54,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:54" (1/1) ... [2019-11-27 10:07:54,398 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 10:07:54, skipping insertion in model container [2019-11-27 10:07:54,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:07:54" (1/1) ... [2019-11-27 10:07:54,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:07:54,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:07:55,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:55,804 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:07:55,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:07:56,410 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:07:56,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:07:56 WrapperNode [2019-11-27 10:07:56,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:07:56,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:56,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:07:56,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:07:56,442 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 10:07:56,515 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 10:07:56,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:07:56,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:07:56,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:07:56,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:07:56,636 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 10:07:56,640 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 10:07:56,662 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 10:07:56,665 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 10:07:56,692 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 10:07:56,705 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 10:07:56,712 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 10:07:56,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:07:56,743 INFO L168 Benchmark]: Toolchain (without parser) took 2359.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 937.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:56,745 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:56,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2037.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 943.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:56,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.51 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:07:56,756 INFO L168 Benchmark]: Boogie Preprocessor took 115.50 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 937.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:07:56,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2037.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 943.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 195.51 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 115.50 ms. Allocated memory is still 1.0 GB. Free memory was 943.5 MB in the beginning and 937.8 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 10:08:00,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:00,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:00,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:00,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:00,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:00,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:00,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:00,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:00,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:00,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:00,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:00,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:00,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:00,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:00,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:00,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:00,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:00,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:00,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:00,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:00,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:00,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:00,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:00,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:00,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:00,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:00,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:00,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:00,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:00,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:00,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:00,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:00,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:00,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:00,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:00,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:00,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:00,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:00,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:00,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:00,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:00,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:00,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:00,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:00,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:00,857 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:00,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:00,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:00,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:00,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:00,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:00,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:00,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:00,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:00,865 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:00,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:00,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:00,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:00,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:00,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:00,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:00,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:00,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:00,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:00,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:00,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:00,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:00,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:00,875 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:00,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:00,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:00,879 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dad9539bf2db149292212fcb1359717a79b79e5 [2019-11-27 10:08:01,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:01,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:01,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:01,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:01,549 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:01,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack-1.i [2019-11-27 10:08:01,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9124e7db3/a7863243344541ae973d55051742323e/FLAG19953bc84 [2019-11-27 10:08:03,037 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:03,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack-1.i [2019-11-27 10:08:03,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9124e7db3/a7863243344541ae973d55051742323e/FLAG19953bc84 [2019-11-27 10:08:03,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9124e7db3/a7863243344541ae973d55051742323e [2019-11-27 10:08:03,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:03,138 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:03,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:03,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:03,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:03,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,162 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 10:08:03,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:03,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:04,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:04,618 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:04,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:05,187 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:05,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05 WrapperNode [2019-11-27 10:08:05,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:05,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:05,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:05,216 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 10:08:05,289 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 10:08:05,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:05,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:05,413 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 10:08:05,413 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 10:08:05,432 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 10:08:05,436 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 10:08:05,476 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 10:08:05,494 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 10:08:05,506 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 10:08:05,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,539 INFO L168 Benchmark]: Toolchain (without parser) took 2390.55 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 932.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,540 INFO L168 Benchmark]: CDTParser took 0.40 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 10:08:05,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2051.35 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 10:08:05,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.96 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,547 INFO L168 Benchmark]: Boogie Preprocessor took 136.06 ms. Allocated memory is still 1.0 GB. Free memory is still 932.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:05,556 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 2051.35 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 196.96 ms. Allocated memory is still 1.0 GB. Free memory was 937.8 MB in the beginning and 932.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 136.06 ms. Allocated memory is still 1.0 GB. Free memory is still 932.0 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...