./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 17:14:38,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:14:38,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:14:38,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:14:38,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:14:38,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:14:38,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:14:38,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:14:38,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:14:38,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:14:38,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:14:38,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:14:38,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:14:38,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:14:38,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:14:38,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:14:38,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:14:38,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:14:38,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:14:38,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:14:38,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:14:38,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:14:38,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:14:38,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:14:38,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:14:38,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:14:38,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:14:38,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:14:38,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:14:38,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:14:38,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:14:38,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:14:38,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:14:38,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:14:38,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:14:38,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:14:38,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:14:38,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:14:38,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:14:38,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:14:38,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:14:38,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:14:38,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:14:38,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:14:38,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:14:38,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:14:38,801 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:14:38,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:14:38,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:14:38,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:14:38,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:14:38,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:14:38,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:14:38,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:14:38,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:14:38,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:14:38,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:14:38,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:14:38,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:14:38,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:14:38,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:14:38,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:14:38,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:14:38,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:14:38,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:14:38,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:14:38,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:14:38,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:14:38,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:14:38,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:14:38,817 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 [2019-11-26 17:14:39,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:14:39,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:14:39,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:14:39,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:14:39,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:14:39,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-26 17:14:39,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd98ebe3f/d5d2e42102dc4871b80ffa9312a8ca17/FLAG4d302f571 [2019-11-26 17:14:41,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:14:41,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-26 17:14:41,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd98ebe3f/d5d2e42102dc4871b80ffa9312a8ca17/FLAG4d302f571 [2019-11-26 17:14:41,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd98ebe3f/d5d2e42102dc4871b80ffa9312a8ca17 [2019-11-26 17:14:41,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:14:41,143 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:14:41,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:41,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:14:41,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:14:41,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:41,171 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 26.11 05:14:41, skipping insertion in model container [2019-11-26 17:14:41,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:41,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:14:41,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:14:42,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:43,050 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:14:43,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:43,625 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:14:43,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43 WrapperNode [2019-11-26 17:14:43,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:43,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:43,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:14:43,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:14:43,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:43,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:44,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:44,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:14:44,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:14:44,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:14:44,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:44,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:45,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:45,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:45,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:45,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:46,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:43" (1/1) ... [2019-11-26 17:14:46,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:14:46,281 INFO L168 Benchmark]: Toolchain (without parser) took 5133.78 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 732.4 MB in the end (delta: 223.5 MB). Peak memory consumption was 223.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,285 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-26 17:14:46,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2482.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.5 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 1157.29 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 818.7 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,296 INFO L168 Benchmark]: Boogie Preprocessor took 1481.51 ms. Allocated memory is still 1.0 GB. Free memory was 818.7 MB in the beginning and 732.4 MB in the end (delta: 86.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 2482.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 927.5 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1157.29 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 818.7 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1481.51 ms. Allocated memory is still 1.0 GB. Free memory was 818.7 MB in the beginning and 732.4 MB in the end (delta: 86.2 MB). Peak memory consumption was 86.2 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 0.1.24-025d5a2 [2019-11-26 17:14:50,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:14:50,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:14:50,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:14:50,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:14:50,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:14:50,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:14:50,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:14:50,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:14:50,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:14:50,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:14:50,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:14:50,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:14:50,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:14:50,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:14:50,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:14:50,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:14:50,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:14:50,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:14:50,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:14:50,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:14:50,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:14:50,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:14:50,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:14:50,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:14:50,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:14:50,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:14:50,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:14:50,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:14:50,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:14:50,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:14:50,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:14:50,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:14:50,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:14:50,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:14:50,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:14:50,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:14:50,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:14:50,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:14:50,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:14:50,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:14:50,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:14:51,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:14:51,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:14:51,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:14:51,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:14:51,008 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:14:51,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:14:51,011 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:14:51,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:14:51,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:14:51,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:14:51,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:14:51,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:14:51,016 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:14:51,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:14:51,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:14:51,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:14:51,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:14:51,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:14:51,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:14:51,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:14:51,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:14:51,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:14:51,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:14:51,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:14:51,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:14:51,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:14:51,027 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:14:51,027 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:14:51,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:14:51,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:14:51,029 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 [2019-11-26 17:14:51,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:14:51,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:14:51,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:14:51,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:14:51,702 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:14:51,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-26 17:14:51,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69c670b0d/a172be62c3dd439682fbc6b644b567b8/FLAG57b4ddd71 [2019-11-26 17:14:53,426 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:14:53,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-11-26 17:14:53,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69c670b0d/a172be62c3dd439682fbc6b644b567b8/FLAG57b4ddd71 [2019-11-26 17:14:53,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69c670b0d/a172be62c3dd439682fbc6b644b567b8 [2019-11-26 17:14:53,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:14:53,520 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:14:53,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:53,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:14:53,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:14:53,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:53" (1/1) ... [2019-11-26 17:14:53,551 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 26.11 05:14:53, skipping insertion in model container [2019-11-26 17:14:53,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:53" (1/1) ... [2019-11-26 17:14:53,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:14:53,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:14:55,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:55,588 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:14:56,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:56,457 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:14:56,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56 WrapperNode [2019-11-26 17:14:56,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:56,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:56,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:14:56,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:14:56,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:56,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:57,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:57,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:14:57,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:14:57,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:14:57,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:57,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:58,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:58,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:58,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:59,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:14:59,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:56" (1/1) ... [2019-11-26 17:15:00,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:15:00,145 INFO L168 Benchmark]: Toolchain (without parser) took 6619.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 916.5 MB in the end (delta: 45.2 MB). Peak memory consumption was 324.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:00,146 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-26 17:15:00,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2923.54 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 910.4 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:00,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 1279.89 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 801.6 MB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:00,157 INFO L168 Benchmark]: Boogie Preprocessor took 2395.31 ms. Allocated memory is still 1.0 GB. Free memory was 801.6 MB in the beginning and 916.5 MB in the end (delta: -115.0 MB). Peak memory consumption was 164.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:00,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 2923.54 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 910.4 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1279.89 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 801.6 MB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2395.31 ms. Allocated memory is still 1.0 GB. Free memory was 801.6 MB in the beginning and 916.5 MB in the end (delta: -115.0 MB). Peak memory consumption was 164.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...