./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label42.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/Problem02_label42.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 a8726e54e507f4e5407a6f1ab8a73f56b359228a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label42.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 a8726e54e507f4e5407a6f1ab8a73f56b359228a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:21:28,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:28,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:28,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:28,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:28,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:28,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:28,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:28,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:28,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:28,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:28,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:28,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:28,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:28,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:28,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:28,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:28,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:28,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:28,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:28,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:28,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:28,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:28,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:28,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:28,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:28,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:28,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:28,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:28,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:28,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:28,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:28,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:28,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:28,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:28,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:28,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:28,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:28,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:28,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:28,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:28,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:28,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:28,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:28,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:28,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:28,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:28,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:28,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:28,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:28,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:28,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:28,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:28,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:28,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:28,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:28,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:28,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:28,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:28,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:28,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:28,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:28,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:28,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:28,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:28,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:28,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:28,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:28,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:28,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:28,230 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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2019-11-27 09:21:28,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:28,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:28,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:28,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:28,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:28,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-11-27 09:21:28,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3582f7237/d9ba96bcc3d64e1e89e6683e01ed8717/FLAG74d24c47a [2019-11-27 09:21:29,589 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:29,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-11-27 09:21:29,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3582f7237/d9ba96bcc3d64e1e89e6683e01ed8717/FLAG74d24c47a [2019-11-27 09:21:29,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3582f7237/d9ba96bcc3d64e1e89e6683e01ed8717 [2019-11-27 09:21:29,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:29,777 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:29,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:29,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:29,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:29,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:29" (1/1) ... [2019-11-27 09:21:29,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b847048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:29, skipping insertion in model container [2019-11-27 09:21:29,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:29" (1/1) ... [2019-11-27 09:21:29,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:29,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:30,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:30,631 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:30,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:30,836 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:30,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30 WrapperNode [2019-11-27 09:21:30,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:30,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:30,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:30,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:30,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:30,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:31,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:31,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:31,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:31,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:30" (1/1) ... [2019-11-27 09:21:31,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:31,130 INFO L168 Benchmark]: Toolchain (without parser) took 1351.13 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 966.6 MB in the end (delta: -4.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:31,131 INFO L168 Benchmark]: CDTParser took 0.22 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 09:21:31,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.92 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 972.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:31,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.98 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:31,136 INFO L168 Benchmark]: Boogie Preprocessor took 110.55 ms. Allocated memory is still 1.0 GB. Free memory is still 966.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:31,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1064.92 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 972.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.98 ms. Allocated memory is still 1.0 GB. Free memory was 972.3 MB in the beginning and 966.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.55 ms. Allocated memory is still 1.0 GB. Free memory is still 966.6 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-da95e15 [2019-11-27 09:21:33,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:33,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:33,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:33,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:33,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:33,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:33,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:33,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:33,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:33,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:33,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:33,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:33,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:33,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:33,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:33,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:33,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:33,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:33,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:33,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:33,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:33,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:33,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:33,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:33,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:33,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:33,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:33,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:33,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:33,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:33,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:33,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:33,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:33,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:33,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:33,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:33,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:33,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:33,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:33,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:33,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:33,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:33,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:33,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:33,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:33,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:33,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:33,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:33,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:33,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:33,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:33,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:33,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:33,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:33,990 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:33,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:33,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:33,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:33,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:33,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:33,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:33,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:33,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:33,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:33,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:33,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:33,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:33,995 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:33,995 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:33,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:33,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:33,997 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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2019-11-27 09:21:34,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:34,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:34,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:34,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:34,425 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:34,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-11-27 09:21:34,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53764b8f2/421c67d47e924410a52d2a77910ece3a/FLAG3562c22de [2019-11-27 09:21:35,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:35,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-11-27 09:21:35,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53764b8f2/421c67d47e924410a52d2a77910ece3a/FLAG3562c22de [2019-11-27 09:21:35,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53764b8f2/421c67d47e924410a52d2a77910ece3a [2019-11-27 09:21:35,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:35,560 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:35,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:35,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:35,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:35,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:35" (1/1) ... [2019-11-27 09:21:35,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de9f55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:35, skipping insertion in model container [2019-11-27 09:21:35,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:35" (1/1) ... [2019-11-27 09:21:35,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:35,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:36,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:36,407 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:36,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:36,628 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:36,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36 WrapperNode [2019-11-27 09:21:36,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:36,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:36,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:36,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:36,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:36,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:36,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:36,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:36,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:36" (1/1) ... [2019-11-27 09:21:36,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:36,918 INFO L168 Benchmark]: Toolchain (without parser) took 1353.76 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 956.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:36,921 INFO L168 Benchmark]: CDTParser took 0.24 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 09:21:36,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1067.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 967.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:36,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.46 ms. Allocated memory is still 1.0 GB. Free memory was 967.9 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:36,927 INFO L168 Benchmark]: Boogie Preprocessor took 120.70 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 09:21:36,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1067.95 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 967.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.46 ms. Allocated memory is still 1.0 GB. Free memory was 967.9 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.70 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...