./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem06_label20.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/eca-rers2012/Problem06_label20.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 a5327d97d76e13f621be02c12c29ff9614d29820 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/eca-rers2012/Problem06_label20.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 a5327d97d76e13f621be02c12c29ff9614d29820 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:24:36,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:24:36,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:24:36,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:24:36,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:24:36,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:24:36,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:24:36,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:24:36,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:24:36,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:24:36,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:24:36,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:24:36,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:24:36,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:24:36,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:24:36,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:24:36,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:24:36,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:24:36,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:24:36,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:24:36,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:24:36,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:24:36,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:24:36,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:24:36,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:24:36,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:24:36,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:24:36,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:24:36,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:24:36,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:24:36,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:24:36,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:24:37,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:24:37,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:24:37,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:24:37,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:24:37,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:24:37,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:24:37,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:24:37,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:24:37,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:24:37,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:24:37,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:24:37,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:24:37,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:24:37,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:24:37,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:24:37,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:24:37,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:24:37,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:24:37,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:24:37,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:24:37,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:24:37,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:24:37,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:24:37,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:24:37,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:24:37,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:24:37,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:24:37,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:24:37,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:24:37,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:24:37,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:24:37,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:24:37,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:24:37,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:24:37,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:24:37,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:24:37,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:24:37,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:24:37,071 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 -> a5327d97d76e13f621be02c12c29ff9614d29820 [2019-11-27 09:24:37,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:24:37,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:24:37,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:24:37,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:24:37,490 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:24:37,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2019-11-27 09:24:37,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b98daaf/0fe2d42e4ba74168ae2fdc5fd8490aba/FLAG45c0a1a0c [2019-11-27 09:24:39,054 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:24:39,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2019-11-27 09:24:39,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b98daaf/0fe2d42e4ba74168ae2fdc5fd8490aba/FLAG45c0a1a0c [2019-11-27 09:24:39,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b98daaf/0fe2d42e4ba74168ae2fdc5fd8490aba [2019-11-27 09:24:39,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:24:39,653 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:24:39,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:24:39,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:24:39,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:24:39,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:24:39" (1/1) ... [2019-11-27 09:24:39,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:39, skipping insertion in model container [2019-11-27 09:24:39,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:24:39" (1/1) ... [2019-11-27 09:24:39,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:24:40,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:24:43,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:24:43,203 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:24:44,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:24:45,053 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:24:45,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45 WrapperNode [2019-11-27 09:24:45,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:24:45,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:24:45,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:24:45,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:24:45,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:24:45,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:24:45,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:24:45,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:24:45,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:45,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:45" (1/1) ... [2019-11-27 09:24:46,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:24:46,042 INFO L168 Benchmark]: Toolchain (without parser) took 6383.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 784.7 MB in the end (delta: 146.9 MB). Peak memory consumption was 146.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:46,043 INFO L168 Benchmark]: CDTParser took 0.23 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 09:24:46,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5399.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 911.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 272.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:46,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 481.11 ms. Allocated memory is still 1.0 GB. Free memory was 911.8 MB in the beginning and 836.2 MB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:46,050 INFO L168 Benchmark]: Boogie Preprocessor took 495.84 ms. Allocated memory is still 1.0 GB. Free memory was 836.2 MB in the beginning and 784.7 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:46,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 5399.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 911.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 272.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 481.11 ms. Allocated memory is still 1.0 GB. Free memory was 911.8 MB in the beginning and 836.2 MB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 495.84 ms. Allocated memory is still 1.0 GB. Free memory was 836.2 MB in the beginning and 784.7 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 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 09:24:48,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:24:48,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:24:48,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:24:48,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:24:48,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:24:48,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:24:48,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:24:48,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:24:48,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:24:48,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:24:48,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:24:48,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:24:48,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:24:48,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:24:48,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:24:48,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:24:48,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:24:48,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:24:48,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:24:48,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:24:48,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:24:48,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:24:48,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:24:48,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:24:48,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:24:48,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:24:48,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:24:48,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:24:48,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:24:48,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:24:48,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:24:48,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:24:48,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:24:48,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:24:48,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:24:48,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:24:48,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:24:48,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:24:48,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:24:48,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:24:48,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:24:48,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:24:48,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:24:48,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:24:48,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:24:48,958 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:24:48,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:24:48,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:24:48,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:24:48,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:24:48,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:24:48,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:24:48,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:24:48,960 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:24:48,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:24:48,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:24:48,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:24:48,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:24:48,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:24:48,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:24:48,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:24:48,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:24:48,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:24:48,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:24:48,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:24:48,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:24:48,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:24:48,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:24:48,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:24:48,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:24:48,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:24:48,970 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 -> a5327d97d76e13f621be02c12c29ff9614d29820 [2019-11-27 09:24:49,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:24:49,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:24:49,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:24:49,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:24:49,490 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:24:49,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2019-11-27 09:24:49,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ffa6635/09269d012df0467c9aeb3a87feda5097/FLAG4c353475a [2019-11-27 09:24:50,865 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:24:50,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2019-11-27 09:24:50,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ffa6635/09269d012df0467c9aeb3a87feda5097/FLAG4c353475a [2019-11-27 09:24:51,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ffa6635/09269d012df0467c9aeb3a87feda5097 [2019-11-27 09:24:51,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:24:51,140 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:24:51,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:24:51,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:24:51,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:24:51,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:24:51" (1/1) ... [2019-11-27 09:24:51,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785470ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:51, skipping insertion in model container [2019-11-27 09:24:51,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:24:51" (1/1) ... [2019-11-27 09:24:51,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:24:51,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:24:55,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:24:55,046 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:24:56,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:24:56,925 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:24:56,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56 WrapperNode [2019-11-27 09:24:56,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:24:56,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:24:56,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:24:56,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:24:56,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:24:57,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:24:57,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:24:57,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:24:57,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:57,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:24:56" (1/1) ... [2019-11-27 09:24:58,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:24:58,071 INFO L168 Benchmark]: Toolchain (without parser) took 6925.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 763.3 MB in the end (delta: 168.3 MB). Peak memory consumption was 168.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:58,072 INFO L168 Benchmark]: CDTParser took 4.54 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 09:24:58,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5786.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 893.2 MB in the end (delta: 38.4 MB). Peak memory consumption was 268.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:58,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 585.53 ms. Allocated memory is still 1.0 GB. Free memory was 893.2 MB in the beginning and 823.2 MB in the end (delta: 70.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:58,081 INFO L168 Benchmark]: Boogie Preprocessor took 544.98 ms. Allocated memory is still 1.0 GB. Free memory was 823.2 MB in the beginning and 763.3 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:24:58,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.54 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 5786.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 931.6 MB in the beginning and 893.2 MB in the end (delta: 38.4 MB). Peak memory consumption was 268.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 585.53 ms. Allocated memory is still 1.0 GB. Free memory was 893.2 MB in the beginning and 823.2 MB in the end (delta: 70.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 544.98 ms. Allocated memory is still 1.0 GB. Free memory was 823.2 MB in the beginning and 763.3 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...