./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_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/Problem01_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 dd54b1bc34218a081600cff9517fd9b1806e0ce2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem01_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 dd54b1bc34218a081600cff9517fd9b1806e0ce2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:20:44,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:44,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:44,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:44,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:44,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:44,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:44,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:44,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:44,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:44,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:44,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:44,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:44,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:44,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:44,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:44,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:44,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:44,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:44,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:44,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:44,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:44,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:44,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:44,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:44,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:44,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:44,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:44,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:44,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:44,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:44,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:44,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:44,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:44,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:44,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:44,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:44,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:44,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:44,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:44,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:44,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:20:44,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:44,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:44,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:44,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:44,832 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:44,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:44,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:44,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:20:44,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:44,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:44,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:44,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:44,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:44,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:44,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:44,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:44,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:44,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:44,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:44,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:44,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:44,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:44,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:44,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:44,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:44,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:20:44,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:20:44,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:44,848 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 -> dd54b1bc34218a081600cff9517fd9b1806e0ce2 [2019-11-27 09:20:45,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:45,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:45,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:45,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:45,403 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:45,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2019-11-27 09:20:45,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1caa1a7d/a4437401b23f4dd4970916df73ae79fe/FLAG172315278 [2019-11-27 09:20:46,805 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:46,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2019-11-27 09:20:46,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1caa1a7d/a4437401b23f4dd4970916df73ae79fe/FLAG172315278 [2019-11-27 09:20:46,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1caa1a7d/a4437401b23f4dd4970916df73ae79fe [2019-11-27 09:20:46,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:46,894 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:46,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:46,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:46,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:46,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:46" (1/1) ... [2019-11-27 09:20:46,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:46, skipping insertion in model container [2019-11-27 09:20:46,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:46" (1/1) ... [2019-11-27 09:20:46,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:47,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:48,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:48,177 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:48,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:48,451 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:48,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48 WrapperNode [2019-11-27 09:20:48,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:48,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:48,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:48,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:48,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:48,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:48,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:48,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:48,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:48" (1/1) ... [2019-11-27 09:20:48,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:48,841 INFO L168 Benchmark]: Toolchain (without parser) took 1941.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 967.5 MB in the end (delta: -7.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:48,842 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 09:20:48,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1562.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:48,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 213.51 ms. Allocated memory is still 1.0 GB. Free memory was 978.9 MB in the beginning and 973.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:48,848 INFO L168 Benchmark]: Boogie Preprocessor took 158.09 ms. Allocated memory is still 1.0 GB. Free memory was 973.2 MB in the beginning and 967.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:48,861 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 1562.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 213.51 ms. Allocated memory is still 1.0 GB. Free memory was 978.9 MB in the beginning and 973.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 158.09 ms. Allocated memory is still 1.0 GB. Free memory was 973.2 MB in the beginning and 967.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:20:52,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:52,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:52,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:52,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:52,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:52,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:52,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:52,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:52,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:52,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:52,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:52,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:52,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:52,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:52,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:52,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:52,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:52,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:52,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:52,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:52,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:52,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:52,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:52,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:52,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:52,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:52,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:52,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:52,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:52,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:52,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:52,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:52,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:52,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:52,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:52,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:52,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:52,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:52,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:52,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:52,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:20:52,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:52,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:52,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:52,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:52,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:52,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:52,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:52,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:52,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:52,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:52,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:52,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:52,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:20:52,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:20:52,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:52,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:52,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:52,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:52,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:52,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:52,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:52,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:52,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:52,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:52,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:52,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:52,869 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:20:52,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:20:52,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:52,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:20:52,871 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 -> dd54b1bc34218a081600cff9517fd9b1806e0ce2 [2019-11-27 09:20:53,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:53,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:53,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:53,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:53,492 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:53,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2019-11-27 09:20:53,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f49a6621/8a82d3d7a7b3411c88facaa4b496803d/FLAG24a5c274b [2019-11-27 09:20:54,901 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:54,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label21.c [2019-11-27 09:20:54,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f49a6621/8a82d3d7a7b3411c88facaa4b496803d/FLAG24a5c274b [2019-11-27 09:20:55,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f49a6621/8a82d3d7a7b3411c88facaa4b496803d [2019-11-27 09:20:55,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:55,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:55,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:55,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:55,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:55,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:55" (1/1) ... [2019-11-27 09:20:55,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94f6526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:55, skipping insertion in model container [2019-11-27 09:20:55,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:55" (1/1) ... [2019-11-27 09:20:55,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:55,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:56,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:56,581 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:56,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:56,835 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:56,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56 WrapperNode [2019-11-27 09:20:56,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:56,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:56,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:56,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:56,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:56,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:57,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:57,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:57,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:57,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:56" (1/1) ... [2019-11-27 09:20:57,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:57,253 INFO L168 Benchmark]: Toolchain (without parser) took 1875.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.5 MB in the end (delta: 916.9 kB). Peak memory consumption was 982.4 kB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,257 INFO L168 Benchmark]: CDTParser took 0.35 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 09:20:57,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1451.67 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 978.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.98 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 972.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:57,264 INFO L168 Benchmark]: Boogie Preprocessor took 190.78 ms. Allocated memory is still 1.0 GB. Free memory is still 972.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:57,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1451.67 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 978.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 210.98 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 972.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 190.78 ms. Allocated memory is still 1.0 GB. Free memory is still 972.2 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...