./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/25_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-ext/25_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 7b20f00218841cf1eb7a04da6dc826575976e8d7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-ext/25_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 7b20f00218841cf1eb7a04da6dc826575976e8d7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:08:23,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:23,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:23,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:23,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:23,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:23,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:23,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:23,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:23,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:23,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:23,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:23,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:23,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:23,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:23,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:23,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:23,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:23,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:23,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:23,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:23,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:23,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:23,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:23,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:23,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:23,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:23,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:23,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:23,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:23,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:23,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:23,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:23,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:23,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:23,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:23,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:23,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:23,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:23,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:23,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:23,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:23,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:23,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:23,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:23,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:23,229 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:23,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:23,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:23,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:23,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:23,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:23,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:23,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:23,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:23,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:23,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:23,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:23,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:23,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:23,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:23,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:23,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:23,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:23,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:23,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:23,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:23,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:23,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:23,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:23,245 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 -> 7b20f00218841cf1eb7a04da6dc826575976e8d7 [2019-11-27 10:08:23,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:23,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:23,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:23,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:23,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:23,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-27 10:08:24,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12f0f60b/6ad6682f0c664e8baa2e58dbc51edc68/FLAG61ea1a039 [2019-11-27 10:08:25,146 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:25,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-27 10:08:25,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12f0f60b/6ad6682f0c664e8baa2e58dbc51edc68/FLAG61ea1a039 [2019-11-27 10:08:25,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12f0f60b/6ad6682f0c664e8baa2e58dbc51edc68 [2019-11-27 10:08:25,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:25,629 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:25,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:25,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:25,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:25,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:25" (1/1) ... [2019-11-27 10:08:25,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c87cf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:25, skipping insertion in model container [2019-11-27 10:08:25,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:25" (1/1) ... [2019-11-27 10:08:25,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:25,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:26,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:26,742 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:26,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:27,071 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:27,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27 WrapperNode [2019-11-27 10:08:27,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:27,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:27,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:27,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:27,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:27,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:27,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:27,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:27,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:27" (1/1) ... [2019-11-27 10:08:27,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:27,292 INFO L168 Benchmark]: Toolchain (without parser) took 1650.44 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 968.1 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:27,299 INFO L168 Benchmark]: CDTParser took 1.69 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 10:08:27,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1442.52 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.40 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:27,310 INFO L168 Benchmark]: Boogie Preprocessor took 75.34 ms. Allocated memory is still 1.0 GB. Free memory is still 968.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:27,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69 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 1442.52 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 123.40 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.34 ms. Allocated memory is still 1.0 GB. Free memory is still 968.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:30,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:30,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:30,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:30,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:30,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:30,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:31,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:31,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:31,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:31,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:31,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:31,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:31,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:31,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:31,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:31,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:31,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:31,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:31,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:31,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:31,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:31,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:31,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:31,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:31,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:31,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:31,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:31,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:31,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:31,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:31,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:31,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:31,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:31,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:31,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:31,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:31,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:31,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:31,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:31,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:31,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:31,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:31,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:31,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:31,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:31,167 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:31,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:31,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:31,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:31,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:31,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:31,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:31,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:31,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:31,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:31,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:31,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:31,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:31,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:31,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:31,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:31,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:31,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:31,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:31,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:31,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:31,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:31,181 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:31,181 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:31,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:31,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:31,183 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 -> 7b20f00218841cf1eb7a04da6dc826575976e8d7 [2019-11-27 10:08:31,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:31,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:31,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:31,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:31,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:31,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-27 10:08:31,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27af63086/38f127b53f0b4c38b48082e619a494a9/FLAGd341c7523 [2019-11-27 10:08:33,214 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:33,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2019-11-27 10:08:33,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27af63086/38f127b53f0b4c38b48082e619a494a9/FLAGd341c7523 [2019-11-27 10:08:33,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27af63086/38f127b53f0b4c38b48082e619a494a9 [2019-11-27 10:08:33,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:33,302 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:33,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:33,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:33,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:33,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:33" (1/1) ... [2019-11-27 10:08:33,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f922809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:33, skipping insertion in model container [2019-11-27 10:08:33,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:33" (1/1) ... [2019-11-27 10:08:33,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:33,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:34,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:34,526 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:34,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:34,868 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:34,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34 WrapperNode [2019-11-27 10:08:34,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:34,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:34,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:34,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:34,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:34,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:35,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:35,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:35,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:35,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:35,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:35,172 INFO L168 Benchmark]: Toolchain (without parser) took 1867.79 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 962.3 MB in the end (delta: -658.1 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:35,173 INFO L168 Benchmark]: CDTParser took 0.38 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 10:08:35,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1568.23 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 962.3 MB in the end (delta: -658.1 kB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:35,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.84 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:35,181 INFO L168 Benchmark]: Boogie Preprocessor took 107.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:35,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1568.23 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 962.3 MB in the end (delta: -658.1 kB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.84 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 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...