./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-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/26_stack_cas_longer-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 9cc98becb110d1f943367586ff959fb8675b7712 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_longer-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 9cc98becb110d1f943367586ff959fb8675b7712 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:08:24,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:24,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:24,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:24,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:24,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:24,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:24,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:24,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:24,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:24,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:24,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:24,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:24,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:24,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:24,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:24,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:24,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:24,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:24,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:24,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:24,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:24,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:24,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:24,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:24,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:24,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:24,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:24,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:24,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:24,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:24,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:24,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:24,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:24,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:24,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:24,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:24,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:24,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:24,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:24,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:24,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:24,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:24,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:24,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:24,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:24,816 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:24,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:24,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:24,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:24,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:24,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:24,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:24,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:24,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:24,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:24,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:24,822 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:24,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:24,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:24,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:24,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:24,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:24,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:24,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:24,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:24,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:24,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:24,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:24,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:24,829 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 -> 9cc98becb110d1f943367586ff959fb8675b7712 [2019-11-27 10:08:25,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:25,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:25,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:25,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:25,395 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:25,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 10:08:25,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce0a2645f/86b5e30c0d354f61bc330809e983f074/FLAG722f8385c [2019-11-27 10:08:26,751 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:26,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 10:08:26,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce0a2645f/86b5e30c0d354f61bc330809e983f074/FLAG722f8385c [2019-11-27 10:08:26,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce0a2645f/86b5e30c0d354f61bc330809e983f074 [2019-11-27 10:08:26,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:26,848 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:26,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:26,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:26,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:26,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:26, skipping insertion in model container [2019-11-27 10:08:26,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:26" (1/1) ... [2019-11-27 10:08:26,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:27,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:27,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:27,976 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:28,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:28,336 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:28,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28 WrapperNode [2019-11-27 10:08:28,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:28,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:28,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:28,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:28,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:28,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:28,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:28,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:28,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:28" (1/1) ... [2019-11-27 10:08:28,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:28,591 INFO L168 Benchmark]: Toolchain (without parser) took 1739.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 960.9 MB in the end (delta: -681.2 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:28,593 INFO L168 Benchmark]: CDTParser took 0.42 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 10:08:28,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1489.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:28,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.97 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:28,612 INFO L168 Benchmark]: Boogie Preprocessor took 95.56 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:28,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1489.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.97 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 95.56 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 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 10:08:32,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:32,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:32,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:32,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:32,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:32,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:32,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:32,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:32,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:32,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:32,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:32,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:32,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:32,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:32,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:32,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:32,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:32,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:32,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:32,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:32,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:32,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:32,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:32,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:32,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:32,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:32,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:32,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:32,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:32,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:32,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:32,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:32,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:32,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:32,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:32,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:32,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:32,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:32,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:32,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:32,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:32,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:32,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:32,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:32,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:32,742 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:32,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:32,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:32,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:32,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:32,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:32,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:32,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:32,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:32,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:32,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:32,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:32,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:32,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:32,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:32,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:32,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:32,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:32,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:32,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:32,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:32,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:32,756 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:32,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:32,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:32,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:32,759 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 -> 9cc98becb110d1f943367586ff959fb8675b7712 [2019-11-27 10:08:33,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:33,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:33,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:33,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:33,318 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:33,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 10:08:33,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63bf88e98/41bb04717beb4ca48a5ad7375097a5c6/FLAGb7ed78a36 [2019-11-27 10:08:34,636 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:34,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2019-11-27 10:08:34,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63bf88e98/41bb04717beb4ca48a5ad7375097a5c6/FLAGb7ed78a36 [2019-11-27 10:08:34,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63bf88e98/41bb04717beb4ca48a5ad7375097a5c6 [2019-11-27 10:08:34,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:34,738 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:34,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:34,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:34,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:34,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:34,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:34, skipping insertion in model container [2019-11-27 10:08:34,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:34" (1/1) ... [2019-11-27 10:08:34,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:34,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:35,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:35,996 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:36,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:36,361 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:36,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36 WrapperNode [2019-11-27 10:08:36,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:36,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:36,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:36,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:36,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:36,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:36,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:36,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:36,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:36" (1/1) ... [2019-11-27 10:08:36,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:36,668 INFO L168 Benchmark]: Toolchain (without parser) took 1924.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:36,669 INFO L168 Benchmark]: CDTParser took 0.32 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 10:08:36,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1611.39 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 961.0 MB in the end (delta: 698.3 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:36,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.76 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. [2019-11-27 10:08:36,680 INFO L168 Benchmark]: Boogie Preprocessor took 127.66 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. [2019-11-27 10:08:36,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1611.39 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 961.0 MB in the end (delta: 698.3 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.76 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 127.66 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...