./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack_longest-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 194d8141f2fe46add34fe842cbce6b591bb89557 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/stack_longest-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 194d8141f2fe46add34fe842cbce6b591bb89557 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:26:08,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:08,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:08,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:08,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:08,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:08,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:08,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:08,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:08,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:08,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:08,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:08,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:08,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:08,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:08,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:08,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:08,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:08,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:08,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:08,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:08,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:08,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:08,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:08,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:08,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:08,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:08,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:08,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:08,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:08,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:08,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:08,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:08,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:08,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:08,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:08,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:08,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:08,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:08,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:08,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:08,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:08,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:08,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:08,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:08,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:08,431 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:08,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:08,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:08,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:08,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:08,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:08,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:08,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:08,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:08,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:08,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:08,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:08,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:08,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:08,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:08,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:08,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:08,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:08,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:08,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:08,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:08,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:08,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:08,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:08,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:08,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-24 21:26:08,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:09,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:09,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:09,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:09,028 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:09,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-24 21:26:09,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac13b2cc2/f1323842716b411bbbc5fa3c8a5bac8c/FLAGa2a0a657e [2019-11-24 21:26:10,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:10,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-24 21:26:10,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac13b2cc2/f1323842716b411bbbc5fa3c8a5bac8c/FLAGa2a0a657e [2019-11-24 21:26:10,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac13b2cc2/f1323842716b411bbbc5fa3c8a5bac8c [2019-11-24 21:26:10,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:10,554 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:10,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:10,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:10,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:10,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:10,581 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 24.11 09:26:10, skipping insertion in model container [2019-11-24 21:26:10,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:10" (1/1) ... [2019-11-24 21:26:10,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:10,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:11,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:11,918 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:12,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:12,468 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:12,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12 WrapperNode [2019-11-24 21:26:12,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:12,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:12,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:12,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:12,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:12,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:12,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:12,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:12,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:12" (1/1) ... [2019-11-24 21:26:12,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:12,786 INFO L168 Benchmark]: Toolchain (without parser) took 2226.92 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 927.9 MB in the end (delta: 33.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:12,791 INFO L168 Benchmark]: CDTParser took 1.99 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. [2019-11-24 21:26:12,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1912.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 933.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:12,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.88 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:12,799 INFO L168 Benchmark]: Boogie Preprocessor took 113.68 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 927.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:12,810 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 1912.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 933.6 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.88 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.68 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 927.9 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 0.1.24-32f2683 [2019-11-24 21:26:16,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:16,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:16,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:16,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:16,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:16,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:16,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:16,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:16,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:16,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:16,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:16,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:16,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:16,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:16,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:16,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:16,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:16,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:16,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:16,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:16,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:16,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:16,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:16,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:16,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:16,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:16,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:16,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:16,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:16,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:16,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:16,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:16,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:16,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:16,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:16,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:16,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:16,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:16,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:16,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:16,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:16,980 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:16,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:16,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:16,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:16,989 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:16,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:16,990 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:16,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:16,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:16,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:16,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:16,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:16,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:16,998 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:16,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:16,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:16,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:16,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:17,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:17,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:17,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:17,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:17,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:17,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:17,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:17,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:17,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:17,007 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:17,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:17,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:17,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:17,013 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 194d8141f2fe46add34fe842cbce6b591bb89557 [2019-11-24 21:26:17,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:17,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:17,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:17,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:17,691 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:17,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-24 21:26:17,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6aedfeb7/c5dc40c492eb4af189b3cb2111413150/FLAG2a9661426 [2019-11-24 21:26:19,073 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:19,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longest-2.i [2019-11-24 21:26:19,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6aedfeb7/c5dc40c492eb4af189b3cb2111413150/FLAG2a9661426 [2019-11-24 21:26:19,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6aedfeb7/c5dc40c492eb4af189b3cb2111413150 [2019-11-24 21:26:19,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:19,156 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:19,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:19,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:19,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:19,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:19, skipping insertion in model container [2019-11-24 21:26:19,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:19" (1/1) ... [2019-11-24 21:26:19,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:19,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:20,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:20,508 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:20,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:21,094 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:21,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21 WrapperNode [2019-11-24 21:26:21,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:21,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:21,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:21,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:21,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:21,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:21,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:21,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:21,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:21" (1/1) ... [2019-11-24 21:26:21,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:21,423 INFO L168 Benchmark]: Toolchain (without parser) took 2260.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 932.2 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:21,425 INFO L168 Benchmark]: CDTParser took 2.93 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:21,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1928.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 937.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:21,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.89 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:21,437 INFO L168 Benchmark]: Boogie Preprocessor took 130.54 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:21,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.93 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1928.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 937.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 182.89 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.54 ms. Allocated memory is still 1.0 GB. Free memory is still 932.2 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...