./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label20.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/Problem14_label20.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 e270e5e3415ea982f52c61bbca04c42d8c680c74 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem14_label20.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 e270e5e3415ea982f52c61bbca04c42d8c680c74 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:35:32,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:35:32,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:35:32,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:35:32,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:35:32,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:35:32,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:35:32,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:35:32,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:35:32,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:35:32,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:35:32,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:35:32,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:35:32,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:35:32,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:35:32,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:35:32,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:35:32,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:35:32,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:35:32,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:35:32,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:35:32,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:35:32,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:35:32,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:35:32,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:35:32,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:35:32,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:35:32,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:35:32,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:35:32,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:35:32,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:35:32,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:35:32,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:35:32,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:35:32,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:35:32,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:35:32,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:35:32,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:35:32,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:35:32,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:35:32,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:35:32,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:35:32,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:35:32,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:35:32,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:35:32,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:35:32,464 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:35:32,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:35:32,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:35:32,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:35:32,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:35:32,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:35:32,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:35:32,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:35:32,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:35:32,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:35:32,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:35:32,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:35:32,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:35:32,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:35:32,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:35:32,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:35:32,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:35:32,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:35:32,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:35:32,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:35:32,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:35:32,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:35:32,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:35:32,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:35:32,479 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 -> e270e5e3415ea982f52c61bbca04c42d8c680c74 [2019-11-27 09:35:33,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:35:33,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:35:33,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:35:33,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:35:33,074 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:35:33,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2019-11-27 09:35:33,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4016df6f8/6a16ad10ae6b4740afee82865f858845/FLAGad0902879 [2019-11-27 09:35:34,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:35:34,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2019-11-27 09:35:34,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4016df6f8/6a16ad10ae6b4740afee82865f858845/FLAGad0902879 [2019-11-27 09:35:34,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4016df6f8/6a16ad10ae6b4740afee82865f858845 [2019-11-27 09:35:34,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:35:34,599 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:35:34,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:35:34,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:35:34,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:35:34,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:35:34" (1/1) ... [2019-11-27 09:35:34,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730116ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:34, skipping insertion in model container [2019-11-27 09:35:34,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:35:34" (1/1) ... [2019-11-27 09:35:34,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:35:34,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:35:35,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:35:35,970 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:35:36,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:35:36,339 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:35:36,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36 WrapperNode [2019-11-27 09:35:36,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:35:36,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:35:36,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:35:36,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:35:36,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:35:36,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:35:36,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:35:36,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:35:36,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:36" (1/1) ... [2019-11-27 09:35:36,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:35:36,803 INFO L168 Benchmark]: Toolchain (without parser) took 2197.99 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 955.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:36,805 INFO L168 Benchmark]: CDTParser took 1.40 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 09:35:36,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1737.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 33.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:36,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 252.70 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:36,814 INFO L168 Benchmark]: Boogie Preprocessor took 194.64 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 955.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:36,827 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 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 1737.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 33.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 252.70 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.64 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 955.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 09:35:40,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:35:40,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:35:40,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:35:40,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:35:40,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:35:40,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:35:40,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:35:40,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:35:40,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:35:40,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:35:40,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:35:40,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:35:40,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:35:40,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:35:40,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:35:40,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:35:40,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:35:40,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:35:40,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:35:40,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:35:40,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:35:40,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:35:40,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:35:40,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:35:40,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:35:40,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:35:40,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:35:40,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:35:40,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:35:40,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:35:40,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:35:40,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:35:40,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:35:40,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:35:40,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:35:40,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:35:40,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:35:40,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:35:40,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:35:40,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:35:40,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:35:40,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:35:40,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:35:40,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:35:40,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:35:40,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:35:40,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:35:40,951 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:35:40,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:35:40,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:35:40,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:35:40,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:35:40,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:35:40,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:35:40,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:35:40,957 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:35:40,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:35:40,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:35:40,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:35:40,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:35:40,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:35:40,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:35:40,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:35:40,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:35:40,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:35:40,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:35:40,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:35:40,964 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:35:40,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:35:40,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:35:40,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:35:40,967 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 -> e270e5e3415ea982f52c61bbca04c42d8c680c74 [2019-11-27 09:35:41,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:35:41,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:35:41,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:35:41,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:35:41,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:35:41,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2019-11-27 09:35:41,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7052594aa/afae5c3491054deaa05bef0554af3cb4/FLAG62f357875 [2019-11-27 09:35:42,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:35:42,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2019-11-27 09:35:43,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7052594aa/afae5c3491054deaa05bef0554af3cb4/FLAG62f357875 [2019-11-27 09:35:43,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7052594aa/afae5c3491054deaa05bef0554af3cb4 [2019-11-27 09:35:43,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:35:43,069 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:35:43,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:35:43,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:35:43,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:35:43,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:35:43" (1/1) ... [2019-11-27 09:35:43,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:43, skipping insertion in model container [2019-11-27 09:35:43,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:35:43" (1/1) ... [2019-11-27 09:35:43,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:35:43,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:35:44,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:35:44,565 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:35:45,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:35:45,053 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:35:45,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45 WrapperNode [2019-11-27 09:35:45,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:35:45,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:35:45,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:35:45,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:35:45,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:35:45,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:35:45,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:35:45,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:35:45,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:35:45" (1/1) ... [2019-11-27 09:35:45,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:35:45,460 INFO L168 Benchmark]: Toolchain (without parser) took 2388.62 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 943.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:45,464 INFO L168 Benchmark]: CDTParser took 1.56 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 09:35:45,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1992.75 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 954.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:45,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 949.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:45,473 INFO L168 Benchmark]: Boogie Preprocessor took 180.64 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 943.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:35:45,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56 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 1992.75 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 954.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 201.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 949.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.64 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 943.4 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...