./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/seq-mthreaded/rekcba_nxt.2.M1-1.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 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/seq-mthreaded/rekcba_nxt.2.M1-1.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 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:20:34,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:34,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:34,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:34,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:34,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:34,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:34,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:34,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:34,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:34,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:34,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:34,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:34,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:34,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:34,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:34,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:34,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:34,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:34,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:34,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:34,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:34,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:34,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:34,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:34,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:34,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:34,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:34,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:34,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:34,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:34,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:34,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:34,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:34,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:34,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:34,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:34,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:34,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:34,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:34,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:34,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:20:34,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:34,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:34,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:34,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:34,990 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:34,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:34,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:34,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:20:34,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:34,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:34,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:34,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:34,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:34,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:34,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:34,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:34,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:34,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:35,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:35,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:35,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:35,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:35,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:35,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:35,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:35,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:35,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:20:35,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:20:35,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:35,006 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 -> 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 [2019-11-24 21:20:35,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:35,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:35,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:35,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:35,677 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:35,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-24 21:20:35,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ca38a60/a3f91a05925c403ea9c9c36074b32b58/FLAG97e6984ff [2019-11-24 21:20:37,301 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:37,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-24 21:20:37,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ca38a60/a3f91a05925c403ea9c9c36074b32b58/FLAG97e6984ff [2019-11-24 21:20:37,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ca38a60/a3f91a05925c403ea9c9c36074b32b58 [2019-11-24 21:20:37,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:37,402 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:37,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:37,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:37,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:37,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:37" (1/1) ... [2019-11-24 21:20:37,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112358cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:37, skipping insertion in model container [2019-11-24 21:20:37,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:37" (1/1) ... [2019-11-24 21:20:37,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:37,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:39,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:39,273 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:39,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:39,867 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:39,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39 WrapperNode [2019-11-24 21:20:39,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:39,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:39,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:39,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:39,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:40,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:41,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:41,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:41,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:41,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:42,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:42,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:42,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:42,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:42,905 INFO L168 Benchmark]: Toolchain (without parser) took 5499.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 732.7 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,907 INFO L168 Benchmark]: CDTParser took 3.23 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. [2019-11-24 21:20:42,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2450.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 1247.69 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,918 INFO L168 Benchmark]: Boogie Preprocessor took 1779.24 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 732.7 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.23 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 2450.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1247.69 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 818.6 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1779.24 ms. Allocated memory is still 1.0 GB. Free memory was 818.6 MB in the beginning and 732.7 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 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 0.1.24-32f2683 [2019-11-24 21:20:47,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:47,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:47,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:47,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:47,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:47,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:47,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:47,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:47,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:47,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:47,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:47,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:47,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:47,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:47,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:47,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:47,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:47,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:47,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:47,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:47,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:47,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:47,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:47,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:47,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:47,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:47,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:47,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:47,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:47,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:47,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:47,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:47,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:47,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:47,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:47,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:47,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:47,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:47,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:47,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:47,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:20:47,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:47,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:47,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:47,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:47,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:47,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:47,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:47,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:47,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:47,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:47,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:47,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:47,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:47,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:20:47,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:20:47,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:47,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:47,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:47,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:47,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:47,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:47,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:47,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:47,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:47,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:47,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:47,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:47,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:20:47,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:20:47,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:47,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:20:47,503 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 -> 64aa7646f0904a7771c7e1ab7647bb6d53f5a8d4 [2019-11-24 21:20:48,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:48,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:48,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:48,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:48,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:48,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-24 21:20:48,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a179b910/ff48668b09cc452a9073646eedc909c5/FLAG20f37e32c [2019-11-24 21:20:49,787 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:49,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-24 21:20:49,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a179b910/ff48668b09cc452a9073646eedc909c5/FLAG20f37e32c [2019-11-24 21:20:49,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a179b910/ff48668b09cc452a9073646eedc909c5 [2019-11-24 21:20:49,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:49,909 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:49,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:49,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:49,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:49,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:49" (1/1) ... [2019-11-24 21:20:49,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:49, skipping insertion in model container [2019-11-24 21:20:49,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:49" (1/1) ... [2019-11-24 21:20:49,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:50,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:51,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:51,870 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:52,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:52,675 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:52,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52 WrapperNode [2019-11-24 21:20:52,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:52,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:52,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:52,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:52,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:52,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:54,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:54,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:54,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:54,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:54,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:54,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:54,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:54,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:54,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:55,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:55,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:52" (1/1) ... [2019-11-24 21:20:56,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:56,238 INFO L168 Benchmark]: Toolchain (without parser) took 6331.18 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 917.2 MB in the end (delta: 44.5 MB). Peak memory consumption was 324.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:56,240 INFO L168 Benchmark]: CDTParser took 1.32 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. [2019-11-24 21:20:56,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2769.43 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 904.7 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:56,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 1343.03 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 806.8 MB in the end (delta: 97.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:56,250 INFO L168 Benchmark]: Boogie Preprocessor took 2204.48 ms. Allocated memory is still 1.0 GB. Free memory was 806.8 MB in the beginning and 917.2 MB in the end (delta: -110.5 MB). Peak memory consumption was 169.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:56,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 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 2769.43 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 904.7 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1343.03 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 806.8 MB in the end (delta: 97.9 MB). Peak memory consumption was 97.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2204.48 ms. Allocated memory is still 1.0 GB. Free memory was 806.8 MB in the beginning and 917.2 MB in the end (delta: -110.5 MB). Peak memory consumption was 169.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...