./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --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/systemc/pc_sfifo_2.cil-2.c -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 df684da5e5a56662a7be6091ec5bb0a21e1453c5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/systemc/pc_sfifo_2.cil-2.c -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 df684da5e5a56662a7be6091ec5bb0a21e1453c5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:00:20,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:20,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:20,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:20,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:20,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:20,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:20,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:20,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:20,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:20,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:20,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:20,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:20,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:20,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:20,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:20,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:20,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:20,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:20,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:20,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:20,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:20,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:20,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:20,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:20,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:20,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:20,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:20,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:20,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:20,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:20,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:20,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:20,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:20,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:20,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:20,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:20,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:20,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:20,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:20,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:20,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:00:21,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:21,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:21,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:21,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:21,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:21,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:21,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:21,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:00:21,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:21,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:21,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:21,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:21,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:21,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:21,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:21,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:21,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:21,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:21,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:21,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:21,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:21,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:21,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:21,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:21,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:21,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:00:21,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:00:21,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:21,073 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 -> df684da5e5a56662a7be6091ec5bb0a21e1453c5 [2019-11-27 10:00:21,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:21,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:21,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:21,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:21,698 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:21,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2019-11-27 10:00:21,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464b92482/aaec01051ae14230b1c066d3852ef800/FLAG432468a1b [2019-11-27 10:00:22,923 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:22,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2019-11-27 10:00:22,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464b92482/aaec01051ae14230b1c066d3852ef800/FLAG432468a1b [2019-11-27 10:00:22,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464b92482/aaec01051ae14230b1c066d3852ef800 [2019-11-27 10:00:22,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:22,999 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:23,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:23,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:23,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:23,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:22" (1/1) ... [2019-11-27 10:00:23,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23, skipping insertion in model container [2019-11-27 10:00:23,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:22" (1/1) ... [2019-11-27 10:00:23,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:23,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:23,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:23,633 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:23,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:23,872 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:23,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23 WrapperNode [2019-11-27 10:00:23,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:23,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:23,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:23,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:23,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:23,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:23,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:23,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:23,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:23,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:24,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:23" (1/1) ... [2019-11-27 10:00:24,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:24,074 INFO L168 Benchmark]: Toolchain (without parser) took 1073.72 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:24,090 INFO L168 Benchmark]: CDTParser took 1.27 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 10:00:24,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.30 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:24,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:24,097 INFO L168 Benchmark]: Boogie Preprocessor took 75.99 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:24,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 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 871.30 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.99 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.5 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-da95e15 [2019-11-27 10:00:27,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:00:27,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:00:28,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:00:28,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:00:28,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:00:28,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:00:28,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:00:28,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:00:28,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:00:28,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:00:28,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:00:28,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:00:28,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:00:28,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:00:28,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:00:28,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:00:28,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:00:28,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:00:28,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:00:28,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:00:28,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:00:28,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:00:28,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:00:28,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:00:28,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:00:28,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:00:28,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:00:28,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:00:28,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:00:28,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:00:28,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:00:28,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:00:28,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:00:28,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:00:28,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:00:28,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:00:28,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:00:28,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:00:28,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:00:28,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:00:28,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:00:28,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:00:28,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:00:28,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:00:28,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:00:28,222 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:00:28,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:00:28,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:00:28,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:00:28,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:00:28,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:00:28,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:00:28,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:00:28,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:00:28,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:00:28,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:00:28,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:00:28,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:00:28,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:00:28,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:00:28,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:00:28,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:00:28,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:00:28,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:00:28,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:00:28,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:00:28,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:00:28,236 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:00:28,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:00:28,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:00:28,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:00:28,240 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 -> df684da5e5a56662a7be6091ec5bb0a21e1453c5 [2019-11-27 10:00:28,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:00:28,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:00:28,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:00:28,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:00:28,858 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:00:28,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2019-11-27 10:00:29,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f344134d/14b3db1edeaa45dcb2491cb19878a5f2/FLAGf81285b9c [2019-11-27 10:00:30,080 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:00:30,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2019-11-27 10:00:30,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f344134d/14b3db1edeaa45dcb2491cb19878a5f2/FLAGf81285b9c [2019-11-27 10:00:30,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f344134d/14b3db1edeaa45dcb2491cb19878a5f2 [2019-11-27 10:00:30,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:00:30,196 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:00:30,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:30,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:00:30,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:00:30,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:30" (1/1) ... [2019-11-27 10:00:30,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:30, skipping insertion in model container [2019-11-27 10:00:30,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:00:30" (1/1) ... [2019-11-27 10:00:30,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:00:30,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:00:30,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:30,907 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:00:31,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:00:31,149 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:00:31,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31 WrapperNode [2019-11-27 10:00:31,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:00:31,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:31,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:00:31,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:00:31,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:00:31,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:00:31,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:00:31,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:00:31,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:00:31" (1/1) ... [2019-11-27 10:00:31,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:00:31,374 INFO L168 Benchmark]: Toolchain (without parser) took 1171.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 984.2 MB in the end (delta: -15.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:00:31,379 INFO L168 Benchmark]: CDTParser took 0.32 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 10:00:31,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:31,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.77 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:31,387 INFO L168 Benchmark]: Boogie Preprocessor took 83.67 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:00:31,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 956.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 991.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.77 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 989.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.67 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 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...