./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/szymanski.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 e53ed3e60647ae986bdffbbdb754e5112804a196 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/szymanski.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 e53ed3e60647ae986bdffbbdb754e5112804a196 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:13:04,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:04,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:04,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:04,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:04,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:04,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:04,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:04,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:04,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:04,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:04,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:04,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:04,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:04,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:04,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:04,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:04,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:04,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:04,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:04,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:04,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:04,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:04,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:04,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:04,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:04,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:04,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:04,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:04,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:04,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:04,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:04,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:05,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:05,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:05,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:05,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:05,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:05,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:05,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:05,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:05,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:13:05,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:05,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:05,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:05,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:05,061 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:05,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:05,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:05,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:13:05,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:05,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:05,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:05,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:05,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:05,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:05,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:05,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:05,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:05,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:05,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:05,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:05,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:05,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:05,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:05,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:05,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:05,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:13:05,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:13:05,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:05,075 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 -> e53ed3e60647ae986bdffbbdb754e5112804a196 [2019-11-25 23:13:05,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:05,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:05,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:05,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:05,624 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:05,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-25 23:13:05,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42180aafe/5ecfd4229e08477198cfb2ef08584e85/FLAG2ff68abca [2019-11-25 23:13:07,035 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:07,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-25 23:13:07,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42180aafe/5ecfd4229e08477198cfb2ef08584e85/FLAG2ff68abca [2019-11-25 23:13:07,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42180aafe/5ecfd4229e08477198cfb2ef08584e85 [2019-11-25 23:13:07,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:07,126 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:07,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:07,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:07,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:07,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:07" (1/1) ... [2019-11-25 23:13:07,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d6d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:07, skipping insertion in model container [2019-11-25 23:13:07,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:07" (1/1) ... [2019-11-25 23:13:07,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:07,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:08,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:08,257 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:08,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:08,568 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:08,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08 WrapperNode [2019-11-25 23:13:08,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:08,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:08,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:08,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:08,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:08,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:08,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:08,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:08,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:08" (1/1) ... [2019-11-25 23:13:08,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:08,815 INFO L168 Benchmark]: Toolchain (without parser) took 1685.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 961.1 MB in the end (delta: 578.4 kB). Peak memory consumption was 644.0 kB. Max. memory is 12.5 GB. [2019-11-25 23:13:08,820 INFO L168 Benchmark]: CDTParser took 1.45 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 23:13:08,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1440.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:08,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.97 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:08,826 INFO L168 Benchmark]: Boogie Preprocessor took 104.72 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:08,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 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 1440.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.97 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.72 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 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 23:13:12,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:12,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:12,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:12,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:12,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:12,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:12,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:12,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:12,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:12,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:12,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:12,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:12,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:12,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:12,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:12,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:12,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:12,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:12,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:12,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:12,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:12,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:12,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:12,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:12,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:12,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:12,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:12,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:12,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:12,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:12,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:12,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:12,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:12,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:12,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:12,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:12,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:12,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:12,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:12,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:12,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:12,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:12,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:12,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:12,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:12,958 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:12,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:12,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:12,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:12,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:12,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:12,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:12,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:12,965 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:12,965 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:12,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:12,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:12,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:12,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:12,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:12,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:12,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:12,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:12,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:12,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:12,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:12,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:12,972 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:12,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:12,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:12,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:12,975 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 -> e53ed3e60647ae986bdffbbdb754e5112804a196 [2019-11-25 23:13:13,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:13,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:13,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:13,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:13,563 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:13,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-25 23:13:13,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e284a49/16c1e9afe9434775aacae4bb0c51fe24/FLAG40d0cf6e5 [2019-11-25 23:13:14,878 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:14,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski.i [2019-11-25 23:13:14,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e284a49/16c1e9afe9434775aacae4bb0c51fe24/FLAG40d0cf6e5 [2019-11-25 23:13:15,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e284a49/16c1e9afe9434775aacae4bb0c51fe24 [2019-11-25 23:13:15,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:15,387 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:15,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:15,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:15,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:15,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be22f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15, skipping insertion in model container [2019-11-25 23:13:15,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:15,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:16,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:16,532 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:16,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:16,868 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:16,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16 WrapperNode [2019-11-25 23:13:16,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:16,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:16,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:16,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:16,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:16,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:16,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:16,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:16,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:16,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:17,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:16" (1/1) ... [2019-11-25 23:13:17,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:17,124 INFO L168 Benchmark]: Toolchain (without parser) took 1732.15 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:17,129 INFO L168 Benchmark]: CDTParser took 3.10 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 23:13:17,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1480.85 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:17,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.43 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:17,138 INFO L168 Benchmark]: Boogie Preprocessor took 116.59 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:17,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10 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 1480.85 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 124.43 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 116.59 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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...