./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/gcd-2.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-atomic/gcd-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1695f92e2931d9a1525ac9e329f840f66d114c73 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-atomic/gcd-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1695f92e2931d9a1525ac9e329f840f66d114c73 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:12:58,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:58,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:58,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:58,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:58,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:58,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:58,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:58,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:58,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:58,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:58,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:58,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:58,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:58,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:58,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:58,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:58,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:58,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:58,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:58,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:58,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:58,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:58,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:58,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:58,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:58,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:58,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:58,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:58,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:58,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:58,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:58,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:58,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:58,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:58,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:58,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:58,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:58,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:58,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:58,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:58,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:58,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:58,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:58,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:58,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:58,629 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:58,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:58,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:58,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:58,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:58,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:58,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:58,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:58,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:58,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:58,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:58,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:58,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:58,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:58,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:58,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:58,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:58,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:58,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:58,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:58,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:58,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:58,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:58,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:58,645 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 -> 1695f92e2931d9a1525ac9e329f840f66d114c73 [2019-11-25 23:12:59,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:59,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:59,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:59,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:59,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:59,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-25 23:12:59,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c229d2bcc/9b1b368bd67b4d989914d222a115e880/FLAGa3c3f3380 [2019-11-25 23:13:00,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:00,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-25 23:13:00,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c229d2bcc/9b1b368bd67b4d989914d222a115e880/FLAGa3c3f3380 [2019-11-25 23:13:00,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c229d2bcc/9b1b368bd67b4d989914d222a115e880 [2019-11-25 23:13:00,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:00,789 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:00,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:00,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:00,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:00,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d6d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:00, skipping insertion in model container [2019-11-25 23:13:00,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:00,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:01,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:01,981 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:02,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:02,306 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:02,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02 WrapperNode [2019-11-25 23:13:02,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:02,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:02,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:02,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:02,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:02,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02" (1/1) ... [2019-11-25 23:13:02,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,593 INFO L168 Benchmark]: Toolchain (without parser) took 1797.13 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: 729.8 kB). Peak memory consumption was 795.4 kB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,597 INFO L168 Benchmark]: CDTParser took 0.41 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 23:13:02,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1513.32 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 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.49 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,611 INFO L168 Benchmark]: Boogie Preprocessor took 106.93 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 23:13:02,620 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1513.32 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 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.49 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 106.93 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. 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 23:13:06,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:06,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:06,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:06,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:06,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:06,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:06,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:06,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:06,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:06,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:06,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:06,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:06,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:06,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:06,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:06,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:06,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:06,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:06,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:06,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:06,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:06,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:06,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:06,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:06,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:06,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:06,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:06,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:06,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:06,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:06,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:06,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:06,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:06,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:06,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:06,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:06,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:06,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:06,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:06,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:06,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:06,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:06,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:06,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:06,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:06,648 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:06,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:06,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:06,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:06,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:06,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:06,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:06,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:06,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:06,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:06,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:06,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:06,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:06,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:06,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:06,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:06,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:06,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:06,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:06,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:06,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:06,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:06,663 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:06,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:06,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:06,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:06,666 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 -> 1695f92e2931d9a1525ac9e329f840f66d114c73 [2019-11-25 23:13:07,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:07,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:07,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:07,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:07,254 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:07,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-25 23:13:07,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9451cdeb5/3523bd98f55a45eeb191e28489a6959a/FLAGaab059209 [2019-11-25 23:13:08,615 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:08,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-25 23:13:08,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9451cdeb5/3523bd98f55a45eeb191e28489a6959a/FLAGaab059209 [2019-11-25 23:13:08,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9451cdeb5/3523bd98f55a45eeb191e28489a6959a [2019-11-25 23:13:08,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:08,709 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:08,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:08,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:08,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:08,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2b324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08, skipping insertion in model container [2019-11-25 23:13:08,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:08,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:09,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:09,938 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:10,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:10,276 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:10,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10 WrapperNode [2019-11-25 23:13:10,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:10,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:10,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:10,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:10,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:10,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:10,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:10,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:10,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:10" (1/1) ... [2019-11-25 23:13:10,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:10,566 INFO L168 Benchmark]: Toolchain (without parser) took 1856.07 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 956.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:10,567 INFO L168 Benchmark]: CDTParser took 0.43 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 23:13:10,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1567.62 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 962.4 MB in the end (delta: -689.4 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:10,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.53 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:10,588 INFO L168 Benchmark]: Boogie Preprocessor took 96.74 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:10,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1567.62 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 962.4 MB in the end (delta: -689.4 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.53 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.74 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 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...