./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label38.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/Problem01_label38.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 5d9bfdaf23db32516d1ccf8929c6af5e4a9d3bd0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label38.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 5d9bfdaf23db32516d1ccf8929c6af5e4a9d3bd0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:42:36,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:36,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:36,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:36,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:36,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:36,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:36,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:36,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:36,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:36,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:36,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:36,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:36,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:36,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:36,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:36,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:36,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:36,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:36,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:36,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:36,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:36,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:36,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:36,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:36,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:36,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:36,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:36,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:36,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:36,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:36,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:36,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:36,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:36,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:36,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:36,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:36,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:36,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:36,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:36,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:36,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:36,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:36,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:36,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:36,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:36,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:36,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:36,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:36,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:36,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:36,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:36,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:36,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:36,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:36,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:36,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:36,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:36,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:36,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:36,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:36,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:36,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:36,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:36,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:36,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:36,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:36,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:36,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:36,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:36,932 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 -> 5d9bfdaf23db32516d1ccf8929c6af5e4a9d3bd0 [2019-11-27 15:42:37,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:37,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:37,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:37,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:37,615 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:37,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label38.c [2019-11-27 15:42:37,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffcb0541/98dc00927df44a5792d74153f0391461/FLAG59b725aba [2019-11-27 15:42:39,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:39,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label38.c [2019-11-27 15:42:39,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffcb0541/98dc00927df44a5792d74153f0391461/FLAG59b725aba [2019-11-27 15:42:39,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffcb0541/98dc00927df44a5792d74153f0391461 [2019-11-27 15:42:39,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:39,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:39,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:39,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:39,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:39,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:39" (1/1) ... [2019-11-27 15:42:39,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:39, skipping insertion in model container [2019-11-27 15:42:39,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:39" (1/1) ... [2019-11-27 15:42:39,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:39,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:40,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:40,396 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:40,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:40,755 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:40,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40 WrapperNode [2019-11-27 15:42:40,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:40,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:40,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:40,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:40,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:40,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:41,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:41,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:41,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:41,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:40" (1/1) ... [2019-11-27 15:42:41,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:41,196 INFO L168 Benchmark]: Toolchain (without parser) took 2039.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 955.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:41,197 INFO L168 Benchmark]: CDTParser took 3.67 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 15:42:41,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1604.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 966.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:41,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 251.30 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:41,210 INFO L168 Benchmark]: Boogie Preprocessor took 176.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:41,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.67 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 1604.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 966.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 251.30 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 176.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.1 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 0.1.24-509859d [2019-11-27 15:42:45,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:45,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:45,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:45,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:45,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:45,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:45,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:45,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:45,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:45,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:45,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:45,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:45,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:45,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:45,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:45,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:45,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:45,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:45,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:45,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:45,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:45,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:45,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:45,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:45,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:45,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:45,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:45,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:45,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:45,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:45,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:45,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:45,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:45,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:45,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:45,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:45,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:45,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:45,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:45,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:45,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:42:45,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:45,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:45,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:45,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:45,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:45,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:45,493 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:45,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:45,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:45,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:45,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:45,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:45,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:42:45,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:42:45,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:45,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:45,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:45,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:45,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:45,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:45,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:45,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:45,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:45,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:45,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:45,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:45,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:42:45,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:42:45,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:45,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:42:45,509 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 -> 5d9bfdaf23db32516d1ccf8929c6af5e4a9d3bd0 [2019-11-27 15:42:46,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:46,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:46,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:46,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:46,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:46,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label38.c [2019-11-27 15:42:46,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535915747/10de74b42745489b8cedabb759964eae/FLAG5e4e44d25 [2019-11-27 15:42:47,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:47,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label38.c [2019-11-27 15:42:47,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535915747/10de74b42745489b8cedabb759964eae/FLAG5e4e44d25 [2019-11-27 15:42:47,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535915747/10de74b42745489b8cedabb759964eae [2019-11-27 15:42:47,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:47,710 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:47,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:47,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:47,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:47,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:47" (1/1) ... [2019-11-27 15:42:47,734 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 03:42:47, skipping insertion in model container [2019-11-27 15:42:47,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:47" (1/1) ... [2019-11-27 15:42:47,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:47,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:48,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:48,980 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:49,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:49,324 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:49,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49 WrapperNode [2019-11-27 15:42:49,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:49,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:49,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:49,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:49,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:49,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:49,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:49,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:49,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:49" (1/1) ... [2019-11-27 15:42:49,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:49,761 INFO L168 Benchmark]: Toolchain (without parser) took 2050.70 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 955.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:49,762 INFO L168 Benchmark]: CDTParser took 0.43 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 15:42:49,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1612.82 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 966.4 MB in the end (delta: 989.2 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:49,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.98 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:49,771 INFO L168 Benchmark]: Boogie Preprocessor took 210.61 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:49,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1612.82 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 966.4 MB in the end (delta: 989.2 kB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 212.98 ms. Allocated memory is still 1.0 GB. Free memory was 966.4 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.61 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 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...