./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 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-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 0.1.24-32f2683 [2019-11-24 21:26:15,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:15,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:15,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:15,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:15,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:15,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:15,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:15,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:15,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:15,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:15,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:15,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:15,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:15,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:15,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:15,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:15,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:15,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:15,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:15,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:15,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:15,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:15,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:15,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:15,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:15,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:15,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:15,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:15,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:15,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:15,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:15,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:15,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:15,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:15,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:15,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:15,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:15,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:15,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:15,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:15,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:26:15,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:15,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:15,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:15,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:15,519 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:15,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:15,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:15,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:26:15,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:15,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:15,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:15,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:15,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:15,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:15,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:15,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:15,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:15,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:15,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:15,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:15,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:15,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:15,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:15,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:15,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:15,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:15,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:26:15,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:26:15,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:15,530 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 [2019-11-24 21:26:16,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:16,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:16,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:16,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:16,030 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:16,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-24 21:26:16,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513e46fa8/32edf30c18d5457983adefb834a52ce9/FLAGfe0847252 [2019-11-24 21:26:16,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:16,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-24 21:26:17,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513e46fa8/32edf30c18d5457983adefb834a52ce9/FLAGfe0847252 [2019-11-24 21:26:17,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513e46fa8/32edf30c18d5457983adefb834a52ce9 [2019-11-24 21:26:17,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:17,170 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:17,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:17,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:17,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:17,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:17" (1/1) ... [2019-11-24 21:26:17,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:17, skipping insertion in model container [2019-11-24 21:26:17,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:17" (1/1) ... [2019-11-24 21:26:17,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:17,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:17,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:17,962 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:18,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:18,170 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:18,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18 WrapperNode [2019-11-24 21:26:18,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:18,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:18,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:18,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:18,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:18,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:18,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:18,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:18,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:18" (1/1) ... [2019-11-24 21:26:18,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:18,361 INFO L168 Benchmark]: Toolchain (without parser) took 1185.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 961.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:18,363 INFO L168 Benchmark]: CDTParser took 3.12 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:18,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1000.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:18,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.65 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. [2019-11-24 21:26:18,379 INFO L168 Benchmark]: Boogie Preprocessor took 72.70 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. [2019-11-24 21:26:18,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.12 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 1000.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 966.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.65 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 72.70 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 0.1.24-32f2683 [2019-11-24 21:26:21,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:26:21,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:26:21,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:26:21,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:26:21,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:26:21,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:26:21,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:26:21,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:26:21,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:26:21,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:26:21,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:26:21,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:26:21,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:26:21,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:26:21,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:26:21,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:26:21,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:26:21,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:26:21,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:26:21,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:26:21,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:26:21,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:26:21,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:26:21,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:26:21,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:26:21,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:26:21,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:26:21,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:26:21,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:26:21,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:26:21,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:26:21,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:26:21,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:26:21,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:26:21,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:26:21,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:26:21,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:26:21,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:26:21,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:26:21,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:26:21,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:26:21,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:26:21,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:26:21,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:26:21,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:26:21,272 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:26:21,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:26:21,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:26:21,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:26:21,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:26:21,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:26:21,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:26:21,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:26:21,280 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:26:21,280 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:26:21,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:26:21,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:26:21,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:26:21,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:26:21,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:26:21,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:26:21,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:26:21,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:26:21,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:26:21,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:26:21,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:26:21,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:26:21,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:26:21,288 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:26:21,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:26:21,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:26:21,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:26:21,292 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 [2019-11-24 21:26:21,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:26:21,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:26:21,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:26:21,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:26:21,764 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:26:21,767 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-24 21:26:21,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323ab73b0/fce25fa4a556499080a35dcb0c2629db/FLAG1ab887ef3 [2019-11-24 21:26:22,684 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:26:22,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-24 21:26:22,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323ab73b0/fce25fa4a556499080a35dcb0c2629db/FLAG1ab887ef3 [2019-11-24 21:26:22,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323ab73b0/fce25fa4a556499080a35dcb0c2629db [2019-11-24 21:26:22,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:26:22,899 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:26:22,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:22,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:26:22,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:26:22,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:22" (1/1) ... [2019-11-24 21:26:22,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567e1af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:22, skipping insertion in model container [2019-11-24 21:26:22,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:26:22" (1/1) ... [2019-11-24 21:26:22,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:26:23,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:26:23,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:23,695 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:26:23,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:26:23,914 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:26:23,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23 WrapperNode [2019-11-24 21:26:23,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:26:23,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:23,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:26:23,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:26:23,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:23,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:26:24,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:26:24,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:26:24,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:26:24,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:26:23" (1/1) ... [2019-11-24 21:26:24,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:26:24,078 INFO L168 Benchmark]: Toolchain (without parser) took 1177.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 961.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:24,084 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:26:24,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1011.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 966.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:26:24,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.44 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. [2019-11-24 21:26:24,093 INFO L168 Benchmark]: Boogie Preprocessor took 70.73 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. [2019-11-24 21:26:24,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1011.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 966.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 87.44 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 70.73 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...