./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/queue_ok_longest.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 4ed0796d7239cf5c6686ccfabbff4294cd680027 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/queue_ok_longest.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 4ed0796d7239cf5c6686ccfabbff4294cd680027 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:29:34,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:34,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:34,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:34,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:34,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:34,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:34,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:34,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:34,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:34,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:34,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:34,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:34,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:34,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:35,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:35,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:35,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:35,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:35,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:35,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:35,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:35,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:35,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:35,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:35,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:35,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:35,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:35,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:35,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:35,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:35,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:35,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:35,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:35,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:35,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:35,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:35,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:35,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:35,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:35,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:35,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:29:35,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:35,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:35,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:35,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:35,137 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:35,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:35,138 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:35,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:29:35,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:35,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:35,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:35,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:35,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:35,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:35,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:35,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:35,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:35,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:35,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:35,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:35,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:35,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:35,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:35,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:35,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:35,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:29:35,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:29:35,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:35,152 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 -> 4ed0796d7239cf5c6686ccfabbff4294cd680027 [2019-11-27 16:29:35,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:35,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:35,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:35,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:35,786 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:35,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longest.i [2019-11-27 16:29:35,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baaa7cca4/ace4daab21204660b04bb2471e635548/FLAGd780cdca7 [2019-11-27 16:29:37,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:37,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longest.i [2019-11-27 16:29:37,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baaa7cca4/ace4daab21204660b04bb2471e635548/FLAGd780cdca7 [2019-11-27 16:29:37,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baaa7cca4/ace4daab21204660b04bb2471e635548 [2019-11-27 16:29:37,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:37,328 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:37,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:37,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:37,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:37,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:37" (1/1) ... [2019-11-27 16:29:37,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7694153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:37, skipping insertion in model container [2019-11-27 16:29:37,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:37" (1/1) ... [2019-11-27 16:29:37,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:37,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:38,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:38,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:38,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:39,248 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:39,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39 WrapperNode [2019-11-27 16:29:39,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:39,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:39,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:39,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:39,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:39,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:39,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:39,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:39,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:39" (1/1) ... [2019-11-27 16:29:39,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:39,581 INFO L168 Benchmark]: Toolchain (without parser) took 2246.54 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 937.8 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:39,582 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-27 16:29:39,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1916.69 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 943.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:39,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.29 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:39,591 INFO L168 Benchmark]: Boogie Preprocessor took 122.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 937.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:39,600 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1916.69 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 943.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 194.29 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 122.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 937.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:29:43,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:29:43,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:29:43,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:29:43,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:29:43,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:29:43,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:29:43,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:29:43,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:29:43,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:29:43,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:29:43,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:29:43,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:29:43,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:29:43,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:29:43,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:29:43,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:29:43,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:29:43,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:29:43,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:29:43,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:29:43,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:29:43,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:29:43,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:29:43,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:29:43,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:29:43,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:29:43,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:29:43,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:29:43,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:29:43,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:29:43,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:29:43,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:29:43,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:29:43,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:29:43,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:29:43,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:29:43,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:29:43,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:29:43,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:29:43,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:29:43,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:29:43,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:29:43,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:29:43,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:29:43,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:29:43,703 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:29:43,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:29:43,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:29:43,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:29:43,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:29:43,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:29:43,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:29:43,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:29:43,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:29:43,712 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:29:43,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:29:43,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:29:43,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:29:43,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:29:43,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:29:43,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:29:43,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:29:43,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:29:43,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:29:43,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:29:43,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:29:43,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:29:43,719 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:29:43,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:29:43,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:29:43,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:29:43,722 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 -> 4ed0796d7239cf5c6686ccfabbff4294cd680027 [2019-11-27 16:29:44,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:29:44,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:29:44,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:29:44,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:29:44,288 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:29:44,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok_longest.i [2019-11-27 16:29:44,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8663a72f9/30da203418774440b9ebbc22ec88af98/FLAGbfe001770 [2019-11-27 16:29:45,679 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:29:45,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok_longest.i [2019-11-27 16:29:45,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8663a72f9/30da203418774440b9ebbc22ec88af98/FLAGbfe001770 [2019-11-27 16:29:45,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8663a72f9/30da203418774440b9ebbc22ec88af98 [2019-11-27 16:29:45,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:29:45,768 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:29:45,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:45,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:29:45,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:29:45,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:45" (1/1) ... [2019-11-27 16:29:45,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281e5afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:45, skipping insertion in model container [2019-11-27 16:29:45,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:29:45" (1/1) ... [2019-11-27 16:29:45,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:29:45,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:29:47,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:47,217 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:29:47,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:29:47,720 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:29:47,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47 WrapperNode [2019-11-27 16:29:47,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:29:47,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:47,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:29:47,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:29:47,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:29:47,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:29:47,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:29:47,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:29:47,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:47,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:48,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:48,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:48,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:29:47" (1/1) ... [2019-11-27 16:29:48,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:29:48,067 INFO L168 Benchmark]: Toolchain (without parser) took 2291.73 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 927.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:48,074 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-27 16:29:48,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1951.25 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 933.5 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:48,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.39 ms. Allocated memory is still 1.0 GB. Free memory was 933.5 MB in the beginning and 927.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:29:48,088 INFO L168 Benchmark]: Boogie Preprocessor took 130.83 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:29:48,101 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1951.25 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 933.5 MB in the end (delta: 33.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 201.39 ms. Allocated memory is still 1.0 GB. Free memory was 933.5 MB in the beginning and 927.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.83 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 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...