./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-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-da95e15 [2019-11-27 10:08:01,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:01,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:01,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:01,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:01,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:01,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:01,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:01,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:01,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:01,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:01,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:01,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:01,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:01,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:01,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:01,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:01,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:01,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:01,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:01,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:01,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:01,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:01,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:01,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:01,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:01,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:01,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:01,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:01,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:01,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:01,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:01,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:01,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:01,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:01,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:01,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:01,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:01,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:01,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:01,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:01,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:08:01,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:01,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:01,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:01,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:01,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:01,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:01,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:01,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:08:01,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:01,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:01,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:01,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:01,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:01,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:01,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:01,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:01,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:01,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:01,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:01,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:01,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:01,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:01,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:01,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:01,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:01,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:08:01,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:08:01,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:01,406 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 [2019-11-27 10:08:02,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:02,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:02,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:02,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:02,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:02,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-27 10:08:02,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ec3f612/f0c32bd1a4694d29a59712fcf25e6d1c/FLAG9732a2cd7 [2019-11-27 10:08:03,469 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:03,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-27 10:08:03,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ec3f612/f0c32bd1a4694d29a59712fcf25e6d1c/FLAG9732a2cd7 [2019-11-27 10:08:03,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ec3f612/f0c32bd1a4694d29a59712fcf25e6d1c [2019-11-27 10:08:03,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:03,568 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:03,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:03,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:03,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:03,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cd1333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:03, skipping insertion in model container [2019-11-27 10:08:03,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:03" (1/1) ... [2019-11-27 10:08:03,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:03,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:04,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:04,679 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:04,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:05,003 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:05,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05 WrapperNode [2019-11-27 10:08:05,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:05,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:05,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:05,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:05,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:05,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:05,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:05" (1/1) ... [2019-11-27 10:08:05,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:05,244 INFO L168 Benchmark]: Toolchain (without parser) took 1659.78 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 966.7 MB in the end (delta: 701.9 kB). Peak memory consumption was 767.4 kB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,252 INFO L168 Benchmark]: CDTParser took 0.40 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 10:08:05,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1433.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:05,262 INFO L168 Benchmark]: Boogie Preprocessor took 77.86 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:05,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1433.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 140.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 77.86 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:08:09,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:08:09,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:08:09,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:08:09,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:08:09,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:08:09,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:08:09,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:08:09,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:08:09,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:08:09,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:08:09,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:08:09,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:08:09,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:08:09,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:08:09,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:08:09,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:08:09,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:08:09,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:08:09,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:08:09,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:08:09,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:08:09,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:08:09,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:08:09,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:08:09,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:08:09,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:08:09,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:08:09,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:08:09,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:08:09,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:08:09,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:08:09,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:08:09,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:08:09,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:08:09,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:08:09,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:08:09,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:08:09,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:08:09,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:08:09,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:08:09,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:08:09,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:08:09,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:08:09,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:08:09,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:08:09,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:08:09,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:08:09,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:08:09,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:08:09,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:08:09,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:08:09,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:08:09,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:08:09,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:08:09,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:08:09,316 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:08:09,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:08:09,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:08:09,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:08:09,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:08:09,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:08:09,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:08:09,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:08:09,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:08:09,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:08:09,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:08:09,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:08:09,325 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:08:09,325 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:08:09,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:08:09,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:08:09,327 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 [2019-11-27 10:08:09,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:08:09,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:08:09,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:08:09,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:08:09,929 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:08:09,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-27 10:08:10,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d827803/1aa3290af58840e5bbcc9a04ca35e984/FLAG9afff5a5e [2019-11-27 10:08:11,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:08:11,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/gcd-2.i [2019-11-27 10:08:11,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d827803/1aa3290af58840e5bbcc9a04ca35e984/FLAG9afff5a5e [2019-11-27 10:08:11,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d827803/1aa3290af58840e5bbcc9a04ca35e984 [2019-11-27 10:08:11,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:08:11,417 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:08:11,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:11,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:08:11,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:08:11,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:11" (1/1) ... [2019-11-27 10:08:11,453 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 27.11 10:08:11, skipping insertion in model container [2019-11-27 10:08:11,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:08:11" (1/1) ... [2019-11-27 10:08:11,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:08:11,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:08:12,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:12,609 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:08:12,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:08:12,932 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:08:12,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12 WrapperNode [2019-11-27 10:08:12,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:08:12,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:12,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:08:12,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:08:12,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:08:13,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:08:13,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:08:13,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:08:13,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:08:12" (1/1) ... [2019-11-27 10:08:13,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:08:13,198 INFO L168 Benchmark]: Toolchain (without parser) took 1770.48 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 962.3 MB in the end (delta: -647.3 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:13,209 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:13,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1500.36 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 968.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:13,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.99 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:08:13,216 INFO L168 Benchmark]: Boogie Preprocessor took 117.69 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:08:13,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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 1500.36 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 968.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.99 ms. Allocated memory is still 1.0 GB. Free memory was 968.1 MB in the beginning and 962.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.69 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 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...