./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem17_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/Problem17_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 79a2b9b3df0deda592133ad8079a83707bf29ec3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem17_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 79a2b9b3df0deda592133ad8079a83707bf29ec3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:37:31,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:31,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:31,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:31,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:37:31,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:37:31,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:37:31,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:37:31,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:37:31,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:37:31,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:37:31,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:37:31,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:37:31,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:37:31,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:37:31,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:37:31,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:37:31,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:37:31,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:37:31,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:37:31,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:37:31,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:37:31,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:37:31,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:37:31,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:37:31,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:37:31,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:37:31,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:37:31,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:37:31,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:37:31,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:37:31,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:37:31,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:37:31,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:37:31,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:37:31,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:37:31,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:37:31,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:37:31,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:37:31,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:37:31,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:37:31,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:37:31,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:37:31,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:37:31,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:37:31,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:37:31,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:37:31,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:37:31,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:37:31,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:37:31,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:37:31,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:37:31,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:37:31,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:37:31,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:37:31,993 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:37:31,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:37:31,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:37:31,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:37:31,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:37:31,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:37:31,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:37:31,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:37:31,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:37:31,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:37:31,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:37:31,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:37:32,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:37:32,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:37:32,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:37:32,002 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 -> 79a2b9b3df0deda592133ad8079a83707bf29ec3 [2019-11-27 09:37:32,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:37:32,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:37:32,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:37:32,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:37:32,642 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:37:32,643 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2019-11-27 09:37:32,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041f8d170/507f3b00f8074b1c8ae7f6351746add0/FLAG3626dbc95 [2019-11-27 09:37:34,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:34,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2019-11-27 09:37:34,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041f8d170/507f3b00f8074b1c8ae7f6351746add0/FLAG3626dbc95 [2019-11-27 09:37:34,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041f8d170/507f3b00f8074b1c8ae7f6351746add0 [2019-11-27 09:37:34,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:34,482 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:34,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:34,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:34,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:34,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:34" (1/1) ... [2019-11-27 09:37:34,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:34, skipping insertion in model container [2019-11-27 09:37:34,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:34" (1/1) ... [2019-11-27 09:37:34,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:34,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:37:36,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:36,877 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:37:37,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:37,753 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:37:37,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37 WrapperNode [2019-11-27 09:37:37,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:37,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:37,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:37:37,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:37:37,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:37,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:38,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:38,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:37:38,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:37:38,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:37:38,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:38,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:38,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:38,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:38,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:38,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:39,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:37" (1/1) ... [2019-11-27 09:37:39,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:37:39,289 INFO L168 Benchmark]: Toolchain (without parser) took 4798.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.5 MB in the beginning and 795.9 MB in the end (delta: 165.6 MB). Peak memory consumption was 165.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:39,290 INFO L168 Benchmark]: CDTParser took 1.55 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. [2019-11-27 09:37:39,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3266.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 893.6 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:39,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 751.80 ms. Allocated memory is still 1.0 GB. Free memory was 893.6 MB in the beginning and 830.5 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:39,301 INFO L168 Benchmark]: Boogie Preprocessor took 769.11 ms. Allocated memory is still 1.0 GB. Free memory was 830.5 MB in the beginning and 795.9 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:39,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55 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 3266.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 893.6 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 751.80 ms. Allocated memory is still 1.0 GB. Free memory was 893.6 MB in the beginning and 830.5 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 769.11 ms. Allocated memory is still 1.0 GB. Free memory was 830.5 MB in the beginning and 795.9 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 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-da95e15 [2019-11-27 09:37:43,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:37:43,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:37:43,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:37:43,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:37:43,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:37:43,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:37:43,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:37:43,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:37:43,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:37:43,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:37:43,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:37:43,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:37:43,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:37:43,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:37:43,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:37:43,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:37:43,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:37:43,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:37:43,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:37:43,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:37:43,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:37:43,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:37:43,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:37:43,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:37:43,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:37:43,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:37:43,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:37:43,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:37:43,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:37:43,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:37:43,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:37:43,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:37:43,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:37:43,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:37:43,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:37:43,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:37:43,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:37:43,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:37:43,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:37:43,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:37:43,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:37:43,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:37:43,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:37:43,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:37:43,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:37:43,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:37:43,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:37:43,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:37:43,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:37:43,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:37:43,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:37:43,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:37:43,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:37:43,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:37:43,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:37:43,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:37:43,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:37:43,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:37:43,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:37:43,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:37:43,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:37:43,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:37:43,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:37:43,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:37:43,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:37:43,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:37:43,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:37:43,698 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:37:43,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:37:43,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:37:43,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:37:43,703 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 -> 79a2b9b3df0deda592133ad8079a83707bf29ec3 [2019-11-27 09:37:44,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:37:44,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:37:44,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:37:44,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:37:44,272 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:37:44,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2019-11-27 09:37:44,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed0de0f8/0de92c7d4e954f3a9da7b99b03f479e4/FLAG0724452bd [2019-11-27 09:37:46,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:37:46,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2019-11-27 09:37:46,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed0de0f8/0de92c7d4e954f3a9da7b99b03f479e4/FLAG0724452bd [2019-11-27 09:37:46,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed0de0f8/0de92c7d4e954f3a9da7b99b03f479e4 [2019-11-27 09:37:46,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:37:46,152 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:37:46,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:46,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:37:46,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:37:46,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:46" (1/1) ... [2019-11-27 09:37:46,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff3520c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:46, skipping insertion in model container [2019-11-27 09:37:46,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:37:46" (1/1) ... [2019-11-27 09:37:46,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:37:46,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:37:48,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:48,962 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:37:50,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:37:50,290 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:37:50,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50 WrapperNode [2019-11-27 09:37:50,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:37:50,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:50,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:37:50,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:37:50,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:37:50,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:37:50,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:37:50,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:37:50,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:50,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:51,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:37:50" (1/1) ... [2019-11-27 09:37:51,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:37:51,120 INFO L168 Benchmark]: Toolchain (without parser) took 4963.56 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 787.1 MB in the end (delta: 167.5 MB). Peak memory consumption was 167.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:51,121 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 09:37:51,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4139.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 832.9 MB in the end (delta: 115.9 MB). Peak memory consumption was 116.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:51,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 392.05 ms. Allocated memory is still 1.0 GB. Free memory was 832.9 MB in the beginning and 810.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:51,132 INFO L168 Benchmark]: Boogie Preprocessor took 426.57 ms. Allocated memory is still 1.0 GB. Free memory was 810.0 MB in the beginning and 787.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:37:51,141 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 4139.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 832.9 MB in the end (delta: 115.9 MB). Peak memory consumption was 116.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 392.05 ms. Allocated memory is still 1.0 GB. Free memory was 832.9 MB in the beginning and 810.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 426.57 ms. Allocated memory is still 1.0 GB. Free memory was 810.0 MB in the beginning and 787.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...