./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label01.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 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label01.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 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:42:52,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:52,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:52,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:52,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:52,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:52,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:52,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:52,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:52,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:52,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:52,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:52,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:52,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:52,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:52,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:52,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:52,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:52,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:52,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:52,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:52,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:52,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:52,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:52,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:52,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:52,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:52,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:52,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:52,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:52,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:52,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:52,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:52,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:52,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:52,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:52,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:52,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:52,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:52,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:52,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:52,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:52,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:52,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:52,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:52,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:52,578 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:52,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:52,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:52,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:52,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:52,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:52,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:52,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:52,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:52,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:52,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:52,586 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:52,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:52,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:52,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:52,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:52,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:52,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:52,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:52,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:52,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:52,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:52,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:52,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:52,597 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 -> 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd [2019-11-27 15:42:53,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:53,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:53,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:53,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:53,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:53,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2019-11-27 15:42:53,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a39db6a/36f95e3a9d72441a90106c862d9e33ee/FLAG5d4bca1f5 [2019-11-27 15:42:54,701 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:54,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2019-11-27 15:42:54,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a39db6a/36f95e3a9d72441a90106c862d9e33ee/FLAG5d4bca1f5 [2019-11-27 15:42:54,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a39db6a/36f95e3a9d72441a90106c862d9e33ee [2019-11-27 15:42:54,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:54,795 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:54,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:54,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:54,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:54,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:54" (1/1) ... [2019-11-27 15:42:54,821 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 27.11 03:42:54, skipping insertion in model container [2019-11-27 15:42:54,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:54" (1/1) ... [2019-11-27 15:42:54,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:54,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:56,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:56,074 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:56,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:56,410 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:56,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56 WrapperNode [2019-11-27 15:42:56,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:56,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:56,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:56,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:56,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:56,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:56,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:56,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:56,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:56" (1/1) ... [2019-11-27 15:42:56,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:56,820 INFO L168 Benchmark]: Toolchain (without parser) took 2018.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 967.1 MB in the end (delta: 331.1 kB). Peak memory consumption was 396.6 kB. Max. memory is 12.5 GB. [2019-11-27 15:42:56,825 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:42:56,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1613.58 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 972.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:56,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:56,830 INFO L168 Benchmark]: Boogie Preprocessor took 171.72 ms. Allocated memory is still 1.0 GB. Free memory is still 967.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:42:56,842 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1613.58 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 972.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 225.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 171.72 ms. Allocated memory is still 1.0 GB. Free memory is still 967.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:43:00,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:00,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:00,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:00,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:00,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:00,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:00,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:00,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:00,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:00,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:00,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:00,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:00,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:00,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:00,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:00,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:00,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:00,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:00,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:00,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:00,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:00,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:00,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:00,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:00,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:00,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:00,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:00,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:00,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:00,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:00,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:00,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:00,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:00,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:00,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:00,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:00,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:00,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:00,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:00,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:00,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:00,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:00,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:00,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:00,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:00,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:00,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:00,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:00,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:00,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:00,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:00,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:00,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:00,975 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:00,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:00,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:00,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:00,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:00,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:00,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:00,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:00,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:00,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:00,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:00,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:00,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:00,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:00,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:00,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:00,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:00,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:00,988 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 -> 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd [2019-11-27 15:43:01,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:01,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:01,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:01,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:01,630 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:01,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2019-11-27 15:43:01,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6d11ae6/fd03b91870234219b04945501db069ac/FLAGce9a68565 [2019-11-27 15:43:03,055 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:03,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2019-11-27 15:43:03,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6d11ae6/fd03b91870234219b04945501db069ac/FLAGce9a68565 [2019-11-27 15:43:03,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6d11ae6/fd03b91870234219b04945501db069ac [2019-11-27 15:43:03,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:03,160 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:03,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:03,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:03,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:03,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,183 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 27.11 03:43:03, skipping insertion in model container [2019-11-27 15:43:03,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:03" (1/1) ... [2019-11-27 15:43:03,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:03,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:04,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:04,290 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:04,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:04,635 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:04,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04 WrapperNode [2019-11-27 15:43:04,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:04,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:04,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:04,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:04,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:04,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:04,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:04,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:04,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:04,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:05,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:04" (1/1) ... [2019-11-27 15:43:05,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:05,048 INFO L168 Benchmark]: Toolchain (without parser) took 1881.17 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 950.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,049 INFO L168 Benchmark]: CDTParser took 0.42 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 15:43:05,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1477.91 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 962.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.32 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,058 INFO L168 Benchmark]: Boogie Preprocessor took 193.89 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:05,071 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1477.91 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 962.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 203.32 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.89 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 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...