./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/26_stack_cas_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 70a7f5d2678f2a87bedae4847a575cf1429cdbcf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/26_stack_cas_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 70a7f5d2678f2a87bedae4847a575cf1429cdbcf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:13:22,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:22,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:22,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:22,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:22,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:22,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:22,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:22,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:22,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:22,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:22,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:22,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:22,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:22,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:22,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:22,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:22,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:22,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:22,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:22,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:22,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:22,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:22,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:22,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:22,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:22,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:22,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:22,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:22,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:22,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:22,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:22,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:22,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:22,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:22,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:22,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:22,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:22,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:22,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:22,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:22,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:13:22,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:22,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:22,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:22,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:22,627 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:22,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:22,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:22,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:13:22,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:22,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:22,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:22,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:22,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:22,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:22,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:22,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:22,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:22,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:22,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:22,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:22,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:22,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:22,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:22,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:22,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:22,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:13:22,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:13:22,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:22,640 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 -> 70a7f5d2678f2a87bedae4847a575cf1429cdbcf [2019-11-25 23:13:23,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:23,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:23,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:23,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:23,208 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:23,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2019-11-25 23:13:23,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7beaf0a00/c6a19dd5c97346c1a8d116865fbca4e2/FLAG5ee2730eb [2019-11-25 23:13:24,555 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:24,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2019-11-25 23:13:24,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7beaf0a00/c6a19dd5c97346c1a8d116865fbca4e2/FLAG5ee2730eb [2019-11-25 23:13:25,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7beaf0a00/c6a19dd5c97346c1a8d116865fbca4e2 [2019-11-25 23:13:25,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:25,060 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:25,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:25,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:25,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:25,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:25" (1/1) ... [2019-11-25 23:13:25,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0a35f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:25, skipping insertion in model container [2019-11-25 23:13:25,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:25" (1/1) ... [2019-11-25 23:13:25,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:25,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:26,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:26,225 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:26,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:26,567 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:26,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26 WrapperNode [2019-11-25 23:13:26,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:26,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:26,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:26,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:26,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:26,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:26,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:26,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:26,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:26" (1/1) ... [2019-11-25 23:13:26,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:26,849 INFO L168 Benchmark]: Toolchain (without parser) took 1781.02 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 962.5 MB in the end (delta: -803.6 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:26,864 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:26,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1503.62 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 962.5 MB in the end (delta: -803.6 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:26,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.96 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:26,872 INFO L168 Benchmark]: Boogie Preprocessor took 101.37 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:26,886 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 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 1503.62 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 962.5 MB in the end (delta: -803.6 kB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.96 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.37 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 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 0.1.24-65d6cd2 [2019-11-25 23:13:30,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:30,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:30,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:30,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:30,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:30,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:30,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:30,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:30,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:30,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:30,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:30,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:30,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:30,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:30,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:30,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:30,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:30,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:30,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:30,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:30,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:30,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:30,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:30,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:30,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:30,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:30,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:30,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:30,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:30,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:30,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:30,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:30,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:30,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:30,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:30,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:30,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:30,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:30,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:30,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:30,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:30,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:30,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:30,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:30,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:30,884 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:30,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:30,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:30,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:30,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:30,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:30,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:30,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:30,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:30,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:30,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:30,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:30,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:30,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:30,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:30,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:30,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:30,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:30,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:30,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:30,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:30,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:30,899 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:30,900 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:30,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:30,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:30,904 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 -> 70a7f5d2678f2a87bedae4847a575cf1429cdbcf [2019-11-25 23:13:31,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:31,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:31,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:31,517 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:31,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:31,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2019-11-25 23:13:31,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5d6b5a7/0e59975440784605bd5afb750fbe3e20/FLAG099ddc1ac [2019-11-25 23:13:32,896 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:32,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2019-11-25 23:13:32,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5d6b5a7/0e59975440784605bd5afb750fbe3e20/FLAG099ddc1ac [2019-11-25 23:13:32,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a5d6b5a7/0e59975440784605bd5afb750fbe3e20 [2019-11-25 23:13:32,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:32,992 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:33,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:33,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:33,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:33,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:32" (1/1) ... [2019-11-25 23:13:33,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1636fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:33, skipping insertion in model container [2019-11-25 23:13:33,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:32" (1/1) ... [2019-11-25 23:13:33,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:33,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:34,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:34,169 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:34,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:34,532 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:34,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34 WrapperNode [2019-11-25 23:13:34,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:34,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:34,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:34,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:34,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:34,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:34,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:34,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:34,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:34" (1/1) ... [2019-11-25 23:13:34,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:34,825 INFO L168 Benchmark]: Toolchain (without parser) took 1825.26 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 955.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:34,828 INFO L168 Benchmark]: CDTParser took 2.11 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. [2019-11-25 23:13:34,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1534.00 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 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:34,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:34,840 INFO L168 Benchmark]: Boogie Preprocessor took 113.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:34,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.11 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 1534.00 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 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.39 ms. Allocated memory is still 1.0 GB. Free memory was 961.0 MB in the beginning and 955.3 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...