./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label31.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/Problem02_label31.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 ec451dfa87bae03634c3df96f95bbd4db2c274c1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label31.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 ec451dfa87bae03634c3df96f95bbd4db2c274c1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:40:08,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:40:08,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:40:08,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:40:08,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:40:08,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:40:08,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:40:08,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:40:08,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:40:08,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:40:08,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:40:08,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:40:08,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:40:08,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:40:08,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:40:08,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:40:08,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:40:08,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:40:08,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:40:08,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:40:08,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:40:08,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:40:08,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:40:08,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:40:08,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:40:08,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:40:08,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:40:08,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:40:08,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:40:08,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:40:08,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:40:08,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:40:08,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:40:08,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:40:08,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:40:08,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:40:08,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:40:08,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:40:08,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:40:08,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:40:08,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:40:08,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:40:08,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:40:08,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:40:08,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:40:08,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:40:08,753 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:40:08,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:40:08,755 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:40:08,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:40:08,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:40:08,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:40:08,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:40:08,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:40:08,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:40:08,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:40:08,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:40:08,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:40:08,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:40:08,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:40:08,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:40:08,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:40:08,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:40:08,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:40:08,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:40:08,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:40:08,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:40:08,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:40:08,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:40:08,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:40:08,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:40:08,773 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 -> ec451dfa87bae03634c3df96f95bbd4db2c274c1 [2019-11-24 20:40:09,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:40:09,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:40:09,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:40:09,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:40:09,427 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:40:09,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label31.c [2019-11-24 20:40:09,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f3b2373/073f847130764913814e34fdc16399ff/FLAGc5485f210 [2019-11-24 20:40:10,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:40:10,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label31.c [2019-11-24 20:40:10,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f3b2373/073f847130764913814e34fdc16399ff/FLAGc5485f210 [2019-11-24 20:40:10,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f3b2373/073f847130764913814e34fdc16399ff [2019-11-24 20:40:10,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:40:10,913 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:40:10,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:10,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:40:10,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:40:10,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:10" (1/1) ... [2019-11-24 20:40:10,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:10, skipping insertion in model container [2019-11-24 20:40:10,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:10" (1/1) ... [2019-11-24 20:40:10,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:40:11,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:40:12,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:12,066 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:40:12,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:12,394 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:40:12,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12 WrapperNode [2019-11-24 20:40:12,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:12,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:12,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:40:12,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:40:12,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:12,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:40:12,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:40:12,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:40:12,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:12" (1/1) ... [2019-11-24 20:40:12,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:40:12,773 INFO L168 Benchmark]: Toolchain (without parser) took 1856.19 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 955.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:12,778 INFO L168 Benchmark]: CDTParser took 3.83 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 20:40:12,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1477.80 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 967.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:12,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:12,789 INFO L168 Benchmark]: Boogie Preprocessor took 181.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 955.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:12,800 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.83 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 1477.80 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 967.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 183.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 955.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 20:40:16,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:40:16,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:40:16,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:40:16,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:40:16,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:40:16,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:40:16,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:40:16,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:40:16,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:40:16,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:40:16,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:40:16,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:40:16,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:40:16,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:40:16,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:40:16,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:40:16,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:40:16,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:40:16,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:40:16,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:40:16,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:40:16,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:40:16,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:40:16,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:40:16,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:40:16,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:40:16,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:40:16,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:40:16,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:40:16,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:40:16,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:40:16,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:40:16,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:40:16,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:40:16,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:40:16,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:40:16,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:40:16,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:40:16,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:40:16,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:40:16,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:40:16,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:40:16,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:40:16,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:40:16,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:40:16,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:40:16,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:40:16,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:40:16,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:40:16,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:40:16,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:40:16,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:40:16,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:40:16,931 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:40:16,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:40:16,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:40:16,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:40:16,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:40:16,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:40:16,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:40:16,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:40:16,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:40:16,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:40:16,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:40:16,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:40:16,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:40:16,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:40:16,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:40:16,938 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:40:16,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:40:16,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:40:16,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:40:16,942 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 -> ec451dfa87bae03634c3df96f95bbd4db2c274c1 [2019-11-24 20:40:17,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:40:17,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:40:17,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:40:17,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:40:17,582 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:40:17,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label31.c [2019-11-24 20:40:17,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5078be9c0/8539c7f222b148f59ab6f43d4d9d9eb2/FLAG7aac4dee8 [2019-11-24 20:40:18,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:40:18,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label31.c [2019-11-24 20:40:19,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5078be9c0/8539c7f222b148f59ab6f43d4d9d9eb2/FLAG7aac4dee8 [2019-11-24 20:40:19,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5078be9c0/8539c7f222b148f59ab6f43d4d9d9eb2 [2019-11-24 20:40:19,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:40:19,064 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:40:19,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:19,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:40:19,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:40:19,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:19" (1/1) ... [2019-11-24 20:40:19,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:19, skipping insertion in model container [2019-11-24 20:40:19,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:19" (1/1) ... [2019-11-24 20:40:19,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:40:19,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:40:20,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:20,233 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:40:20,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:20,559 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:40:20,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20 WrapperNode [2019-11-24 20:40:20,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:20,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:20,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:40:20,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:40:20,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:20,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:40:20,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:40:20,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:40:20,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:20" (1/1) ... [2019-11-24 20:40:20,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:40:20,986 INFO L168 Benchmark]: Toolchain (without parser) took 1909.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 955.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:20,987 INFO L168 Benchmark]: CDTParser took 1.30 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 20:40:20,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1494.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.5 MB in the end (delta: 882.4 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:20,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 222.75 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:20,997 INFO L168 Benchmark]: Boogie Preprocessor took 185.33 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:21,007 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.30 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 1494.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.5 MB in the end (delta: 882.4 kB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 222.75 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 185.33 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...