./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label21.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/eca-rers2012/Problem12_label21.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 8ddcb7ac53cc464cbe950f25ea0d8f3bbca8a796 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem12_label21.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 8ddcb7ac53cc464cbe950f25ea0d8f3bbca8a796 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:52:22,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:52:22,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:52:22,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:52:22,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:52:22,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:52:22,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:52:22,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:52:22,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:52:22,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:52:22,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:52:22,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:52:22,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:52:22,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:52:22,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:52:22,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:52:22,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:52:22,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:52:22,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:52:22,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:52:22,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:52:22,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:52:22,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:52:22,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:52:22,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:52:22,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:52:22,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:52:22,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:52:22,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:52:22,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:52:22,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:52:22,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:52:22,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:52:22,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:52:22,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:52:22,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:52:22,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:52:22,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:52:22,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:52:22,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:52:22,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:52:22,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:52:22,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:52:22,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:52:22,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:52:22,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:52:22,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:52:22,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:52:22,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:52:22,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:52:22,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:52:22,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:52:22,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:52:22,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:52:22,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:52:22,583 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:52:22,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:52:22,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:52:22,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:52:22,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:52:22,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:52:22,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:52:22,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:52:22,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:52:22,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:52:22,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:52:22,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:52:22,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:52:22,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:52:22,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:52:22,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:52:22,593 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 -> 8ddcb7ac53cc464cbe950f25ea0d8f3bbca8a796 [2019-11-24 20:52:23,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:52:23,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:52:23,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:52:23,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:52:23,186 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:52:23,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label21.c [2019-11-24 20:52:23,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8509bbd35/ccf62cbe5f5c4de2a11b34233aac7fa8/FLAGfa6d2383f [2019-11-24 20:52:25,052 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:52:25,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label21.c [2019-11-24 20:52:25,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8509bbd35/ccf62cbe5f5c4de2a11b34233aac7fa8/FLAGfa6d2383f [2019-11-24 20:52:25,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8509bbd35/ccf62cbe5f5c4de2a11b34233aac7fa8 [2019-11-24 20:52:25,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:52:25,189 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:52:25,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:25,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:52:25,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:52:25,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:25" (1/1) ... [2019-11-24 20:52:25,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:25, skipping insertion in model container [2019-11-24 20:52:25,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:25" (1/1) ... [2019-11-24 20:52:25,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:52:25,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:52:28,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:28,210 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:52:29,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:29,550 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:52:29,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29 WrapperNode [2019-11-24 20:52:29,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:29,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:29,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:52:29,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:52:29,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:29,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:30,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:30,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:52:30,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:52:30,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:52:30,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:30,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:30,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:30,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:30,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:30,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:31,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:29" (1/1) ... [2019-11-24 20:52:31,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:52:31,785 INFO L168 Benchmark]: Toolchain (without parser) took 6589.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 911.6 MB in the end (delta: 38.6 MB). Peak memory consumption was 318.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:31,787 INFO L168 Benchmark]: CDTParser took 2.12 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 20:52:31,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4355.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 820.9 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:31,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 836.32 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 752.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:31,796 INFO L168 Benchmark]: Boogie Preprocessor took 1386.80 ms. Allocated memory is still 1.0 GB. Free memory was 752.1 MB in the beginning and 911.6 MB in the end (delta: -159.5 MB). Peak memory consumption was 119.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:31,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.12 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 4355.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 820.9 MB in the end (delta: 129.4 MB). Peak memory consumption was 129.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 836.32 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 752.1 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1386.80 ms. Allocated memory is still 1.0 GB. Free memory was 752.1 MB in the beginning and 911.6 MB in the end (delta: -159.5 MB). Peak memory consumption was 119.9 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 20:52:35,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:52:35,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:52:35,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:52:35,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:52:35,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:52:35,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:52:35,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:52:35,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:52:35,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:52:35,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:52:35,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:52:35,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:52:35,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:52:35,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:52:35,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:52:35,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:52:35,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:52:35,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:52:35,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:52:35,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:52:35,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:52:35,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:52:35,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:52:35,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:52:35,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:52:35,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:52:35,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:52:35,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:52:35,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:52:35,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:52:35,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:52:35,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:52:35,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:52:35,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:52:35,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:52:35,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:52:35,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:52:35,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:52:35,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:52:35,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:52:35,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:52:35,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:52:35,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:52:35,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:52:35,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:52:35,895 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:52:35,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:52:35,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:52:35,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:52:35,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:52:35,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:52:35,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:52:35,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:52:35,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:52:35,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:52:35,902 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:52:35,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:52:35,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:52:35,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:52:35,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:52:35,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:52:35,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:52:35,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:52:35,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:52:35,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:52:35,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:52:35,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:52:35,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:52:35,910 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:52:35,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:52:35,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:52:35,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:52:35,912 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 -> 8ddcb7ac53cc464cbe950f25ea0d8f3bbca8a796 [2019-11-24 20:52:36,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:52:36,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:52:36,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:52:36,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:52:36,493 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:52:36,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label21.c [2019-11-24 20:52:36,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50af9f0c/0fddd5ab92d040df8ab543bdf10f1917/FLAG31f3b124d [2019-11-24 20:52:38,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:52:38,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label21.c [2019-11-24 20:52:38,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50af9f0c/0fddd5ab92d040df8ab543bdf10f1917/FLAG31f3b124d [2019-11-24 20:52:38,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50af9f0c/0fddd5ab92d040df8ab543bdf10f1917 [2019-11-24 20:52:38,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:52:38,524 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:52:38,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:38,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:52:38,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:52:38,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:38" (1/1) ... [2019-11-24 20:52:38,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:38, skipping insertion in model container [2019-11-24 20:52:38,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:38" (1/1) ... [2019-11-24 20:52:38,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:52:38,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:52:42,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:42,071 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:52:43,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:43,753 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:52:43,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43 WrapperNode [2019-11-24 20:52:43,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:43,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:43,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:52:43,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:52:43,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:43,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:44,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:44,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:52:44,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:52:44,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:52:44,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:44,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:44,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:44,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:44,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:44,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:45,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:43" (1/1) ... [2019-11-24 20:52:45,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:52:45,181 INFO L168 Benchmark]: Toolchain (without parser) took 6652.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 939.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 290.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:45,184 INFO L168 Benchmark]: CDTParser took 0.34 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 20:52:45,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5227.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 769.3 MB in the end (delta: 185.2 MB). Peak memory consumption was 185.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:45,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 571.64 ms. Allocated memory is still 1.0 GB. Free memory was 769.3 MB in the beginning and 734.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:45,193 INFO L168 Benchmark]: Boogie Preprocessor took 843.77 ms. Allocated memory is still 1.0 GB. Free memory was 734.9 MB in the beginning and 939.2 MB in the end (delta: -204.3 MB). Peak memory consumption was 70.9 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:45,204 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 5227.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 769.3 MB in the end (delta: 185.2 MB). Peak memory consumption was 185.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 571.64 ms. Allocated memory is still 1.0 GB. Free memory was 769.3 MB in the beginning and 734.9 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 843.77 ms. Allocated memory is still 1.0 GB. Free memory was 734.9 MB in the beginning and 939.2 MB in the end (delta: -204.3 MB). Peak memory consumption was 70.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...