./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/Problem02_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem02_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:43:08,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:08,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:08,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:08,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:08,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:08,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:08,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:08,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:08,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:08,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:08,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:08,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:08,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:08,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:08,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:08,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:08,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:08,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:08,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:08,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:08,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:08,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:08,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:08,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:08,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:08,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:08,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:08,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:08,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:08,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:08,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:08,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:08,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:08,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:08,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:08,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:08,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:08,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:08,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:08,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:08,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:08,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:08,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:08,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:08,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:08,613 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:08,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:08,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:08,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:08,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:08,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:08,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:08,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:08,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:08,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:08,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:08,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:08,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:08,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:08,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:08,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:08,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:08,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:08,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:08,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:08,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:08,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:08,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:08,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:08,629 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-27 15:43:09,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:09,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:09,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:09,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:09,240 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:09,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 15:43:09,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b721afa6f/27ebaba2f3e943688f2157d124cdc328/FLAG1895b8905 [2019-11-27 15:43:10,703 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:10,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 15:43:10,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b721afa6f/27ebaba2f3e943688f2157d124cdc328/FLAG1895b8905 [2019-11-27 15:43:10,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b721afa6f/27ebaba2f3e943688f2157d124cdc328 [2019-11-27 15:43:10,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:10,784 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:10,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:10,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:10,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:10,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:10,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:10, skipping insertion in model container [2019-11-27 15:43:10,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:10" (1/1) ... [2019-11-27 15:43:10,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:10,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:12,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:12,017 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:12,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:12,430 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:12,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12 WrapperNode [2019-11-27 15:43:12,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:12,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:12,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:12,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:12,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:12,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:12,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:12,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:12,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:12,814 INFO L168 Benchmark]: Toolchain (without parser) took 2022.16 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 960.8 MB in the end (delta: 887.4 kB). Peak memory consumption was 952.9 kB. Max. memory is 12.5 GB. [2019-11-27 15:43:12,815 INFO L168 Benchmark]: CDTParser took 0.31 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 15:43:12,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1643.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:12,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.31 ms. Allocated memory is still 1.0 GB. Free memory is still 966.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:12,825 INFO L168 Benchmark]: Boogie Preprocessor took 174.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:12,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 1643.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 196.31 ms. Allocated memory is still 1.0 GB. Free memory is still 966.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 174.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. 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 0.1.24-509859d [2019-11-27 15:43:16,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:16,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:16,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:16,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:16,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:16,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:16,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:16,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:16,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:16,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:16,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:16,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:16,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:16,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:16,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:16,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:16,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:16,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:16,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:16,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:16,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:16,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:16,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:16,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:16,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:16,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:16,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:16,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:16,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:16,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:16,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:16,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:16,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:16,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:16,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:16,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:16,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:16,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:16,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:16,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:16,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:16,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:16,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:16,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:16,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:16,928 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:16,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:16,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:16,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:16,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:16,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:16,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:16,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:16,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:16,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:16,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:16,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:16,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:16,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:16,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:16,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:16,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:16,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:16,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:16,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:16,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:16,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:16,943 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:16,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:16,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:16,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:16,947 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-27 15:43:17,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:17,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:17,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:17,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:17,621 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:17,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 15:43:17,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098169000/4d570b0e861f4db4b69c119ffc17a28f/FLAG400f14eed [2019-11-27 15:43:19,099 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:19,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 15:43:19,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098169000/4d570b0e861f4db4b69c119ffc17a28f/FLAG400f14eed [2019-11-27 15:43:19,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098169000/4d570b0e861f4db4b69c119ffc17a28f [2019-11-27 15:43:19,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:19,186 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:19,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:19,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:19,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:19,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:19, skipping insertion in model container [2019-11-27 15:43:19,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:19" (1/1) ... [2019-11-27 15:43:19,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:19,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:20,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:20,459 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:20,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:20,814 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:20,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20 WrapperNode [2019-11-27 15:43:20,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:20,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:20,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:20,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:20,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:20,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:21,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:21,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:21,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:21,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:21,156 INFO L168 Benchmark]: Toolchain (without parser) took 1966.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 966.4 MB in the end (delta: -4.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:21,157 INFO L168 Benchmark]: CDTParser took 0.40 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 15:43:21,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1629.37 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 972.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:21,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.67 ms. Allocated memory is still 1.0 GB. Free memory was 972.1 MB in the beginning and 966.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:21,163 INFO L168 Benchmark]: Boogie Preprocessor took 118.76 ms. Allocated memory is still 1.0 GB. Free memory is still 966.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:21,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1629.37 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 972.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 210.67 ms. Allocated memory is still 1.0 GB. Free memory was 972.1 MB in the beginning and 966.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.76 ms. Allocated memory is still 1.0 GB. Free memory is still 966.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...