./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/singleton.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/singleton.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 f3491af59218a0433b9de95fff59451438a5c03e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/singleton.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 f3491af59218a0433b9de95fff59451438a5c03e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:12:49,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:49,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:49,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:49,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:49,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:49,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:49,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:49,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:49,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:49,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:49,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:49,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:49,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:49,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:49,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:49,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:49,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:49,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:49,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:49,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:49,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:49,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:49,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:49,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:49,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:49,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:49,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:49,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:49,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:49,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:49,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:49,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:49,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:49,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:49,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:49,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:49,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:49,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:49,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:49,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:49,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:12:49,376 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:49,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:49,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:49,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:49,384 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:49,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:49,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:49,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:12:49,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:49,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:49,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:49,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:49,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:49,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:49,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:49,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:49,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:49,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:49,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:49,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:49,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:49,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:49,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:49,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:49,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:49,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:12:49,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:12:49,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:49,400 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 -> f3491af59218a0433b9de95fff59451438a5c03e [2019-11-25 23:12:49,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:49,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:49,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:49,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:49,963 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:49,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton.i [2019-11-25 23:12:50,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b47e42bd/1c18b14cd3da4946a49d495dad1fdef6/FLAGff72e2f62 [2019-11-25 23:12:51,511 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:12:51,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton.i [2019-11-25 23:12:51,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b47e42bd/1c18b14cd3da4946a49d495dad1fdef6/FLAGff72e2f62 [2019-11-25 23:12:51,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b47e42bd/1c18b14cd3da4946a49d495dad1fdef6 [2019-11-25 23:12:51,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:12:51,620 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:12:51,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:51,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:12:51,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:12:51,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:51" (1/1) ... [2019-11-25 23:12:51,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dacc51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:51, skipping insertion in model container [2019-11-25 23:12:51,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:12:51" (1/1) ... [2019-11-25 23:12:51,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:12:51,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:12:53,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:53,128 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:12:53,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:12:53,633 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:12:53,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53 WrapperNode [2019-11-25 23:12:53,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:12:53,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:53,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:12:53,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:12:53,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:12:53,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:12:53,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:12:53,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:12:53,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:12:53" (1/1) ... [2019-11-25 23:12:53,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:12:53,915 INFO L168 Benchmark]: Toolchain (without parser) took 2276.82 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 920.6 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:53,918 INFO L168 Benchmark]: CDTParser took 1.28 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 23:12:53,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2013.58 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 926.3 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:53,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.68 ms. Allocated memory is still 1.0 GB. Free memory is still 926.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:12:53,925 INFO L168 Benchmark]: Boogie Preprocessor took 91.22 ms. Allocated memory is still 1.0 GB. Free memory was 926.3 MB in the beginning and 920.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:12:53,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 2013.58 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 926.3 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.68 ms. Allocated memory is still 1.0 GB. Free memory is still 926.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.22 ms. Allocated memory is still 1.0 GB. Free memory was 926.3 MB in the beginning and 920.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:12:57,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:12:57,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:12:57,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:12:57,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:12:57,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:12:57,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:12:57,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:12:57,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:12:57,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:12:57,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:12:57,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:12:57,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:12:57,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:12:57,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:12:57,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:12:57,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:12:57,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:12:57,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:12:57,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:12:57,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:12:57,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:12:57,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:12:57,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:12:57,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:12:57,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:12:57,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:12:57,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:12:57,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:12:57,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:12:57,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:12:57,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:12:58,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:12:58,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:12:58,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:12:58,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:12:58,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:12:58,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:12:58,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:12:58,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:12:58,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:12:58,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:12:58,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:12:58,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:12:58,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:12:58,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:12:58,067 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:12:58,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:12:58,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:12:58,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:12:58,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:12:58,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:12:58,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:12:58,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:12:58,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:12:58,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:12:58,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:12:58,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:12:58,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:12:58,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:12:58,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:12:58,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:12:58,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:12:58,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:12:58,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:12:58,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:12:58,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:12:58,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:12:58,081 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:12:58,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:12:58,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:12:58,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:12:58,084 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 -> f3491af59218a0433b9de95fff59451438a5c03e [2019-11-25 23:12:58,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:12:58,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:12:58,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:12:58,667 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:12:58,670 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:12:58,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/singleton.i [2019-11-25 23:12:58,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc5239ab/8350530762c145ba9177b9729f052dcc/FLAGb1bb41ada [2019-11-25 23:13:00,120 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:00,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/singleton.i [2019-11-25 23:13:00,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc5239ab/8350530762c145ba9177b9729f052dcc/FLAGb1bb41ada [2019-11-25 23:13:00,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc5239ab/8350530762c145ba9177b9729f052dcc [2019-11-25 23:13:00,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:00,221 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:00,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:00,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:00,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:00,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a7b033 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 23:13:00,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:00" (1/1) ... [2019-11-25 23:13:00,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:00,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:01,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:01,850 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:02,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:02,460 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:02,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:02 WrapperNode [2019-11-25 23:13:02,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:02,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:02,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:02,491 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 23:13:02,577 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 23:13:02,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:02,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:02,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:02,671 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 23:13:02,671 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 23:13:02,695 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 23:13:02,703 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 23:13:02,748 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 23:13:02,752 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 23:13:02,771 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 23:13:02,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:02,798 INFO L168 Benchmark]: Toolchain (without parser) took 2570.32 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 920.5 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,804 INFO L168 Benchmark]: CDTParser took 2.89 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 23:13:02,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2238.03 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 926.3 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.03 ms. Allocated memory is still 1.0 GB. Free memory was 926.3 MB in the beginning and 920.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:02,814 INFO L168 Benchmark]: Boogie Preprocessor took 142.69 ms. Allocated memory is still 1.0 GB. Free memory is still 920.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:02,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.89 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 2238.03 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 926.3 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.03 ms. Allocated memory is still 1.0 GB. Free memory was 926.3 MB in the beginning and 920.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 142.69 ms. Allocated memory is still 1.0 GB. Free memory is still 920.5 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...