./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label56.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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label56.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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:43:25,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:25,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:25,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:25,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:25,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:25,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:25,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:25,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:25,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:25,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:25,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:25,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:25,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:25,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:25,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:25,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:25,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:26,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:26,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:26,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:26,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:26,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:26,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:26,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:26,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:26,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:26,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:26,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:26,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:26,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:26,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:26,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:26,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:26,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:26,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:26,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:26,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:26,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:26,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:26,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:26,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:26,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:26,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:26,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:26,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:26,116 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:26,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:26,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:26,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:26,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:26,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:26,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:26,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:26,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:26,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:26,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:26,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:26,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:26,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:26,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:26,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:26,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:26,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:26,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:26,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:26,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:26,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:26,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:26,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:26,134 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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2019-11-27 15:43:26,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:26,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:26,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:26,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:26,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:26,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 15:43:26,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1d3adc/4a158ad00f7b43e198a28a57f3403a4e/FLAG143b7864b [2019-11-27 15:43:28,141 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:28,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 15:43:28,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1d3adc/4a158ad00f7b43e198a28a57f3403a4e/FLAG143b7864b [2019-11-27 15:43:28,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf1d3adc/4a158ad00f7b43e198a28a57f3403a4e [2019-11-27 15:43:28,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:28,235 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:28,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:28,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:28,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:28,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:28,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7397f0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:28, skipping insertion in model container [2019-11-27 15:43:28,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:28" (1/1) ... [2019-11-27 15:43:28,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:28,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:29,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:29,425 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:29,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:29,763 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:29,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29 WrapperNode [2019-11-27 15:43:29,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:29,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:29,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:29,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:29,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:29,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:29,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:29,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:29,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:29,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:29,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:29,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:30,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:30,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:30,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:30,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:30,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:29" (1/1) ... [2019-11-27 15:43:30,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:30,175 INFO L168 Benchmark]: Toolchain (without parser) took 1940.39 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 961.5 MB in the end (delta: 169.1 kB). Peak memory consumption was 234.7 kB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,179 INFO L168 Benchmark]: CDTParser took 0.46 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 15:43:30,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1525.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.31 ms. Allocated memory is still 1.0 GB. Free memory was 973.0 MB in the beginning and 967.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,194 INFO L168 Benchmark]: Boogie Preprocessor took 192.09 ms. Allocated memory is still 1.0 GB. Free memory was 967.3 MB in the beginning and 961.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:30,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1525.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 973.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 208.31 ms. Allocated memory is still 1.0 GB. Free memory was 973.0 MB in the beginning and 967.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 192.09 ms. Allocated memory is still 1.0 GB. Free memory was 967.3 MB in the beginning and 961.5 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 0.1.24-509859d [2019-11-27 15:43:34,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:34,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:34,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:34,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:34,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:34,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:34,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:34,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:34,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:34,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:34,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:34,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:34,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:34,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:34,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:34,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:34,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:34,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:34,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:34,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:34,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:34,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:34,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:34,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:34,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:34,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:34,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:34,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:34,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:34,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:34,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:34,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:34,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:34,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:34,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:34,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:34,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:34,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:34,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:34,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:34,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:34,437 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:34,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:34,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:34,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:34,445 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:34,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:34,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:34,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:34,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:34,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:34,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:34,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:34,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:34,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:34,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:34,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:34,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:34,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:34,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:34,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:34,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:34,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:34,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:34,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:34,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:34,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:34,460 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:34,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:34,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:34,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:34,463 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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2019-11-27 15:43:35,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:35,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:35,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:35,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:35,119 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:35,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 15:43:35,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98c9491f/b1c31f21fcb74895813fbfefdfbc6f7b/FLAG07b57064a [2019-11-27 15:43:36,530 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:36,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2019-11-27 15:43:36,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98c9491f/b1c31f21fcb74895813fbfefdfbc6f7b/FLAG07b57064a [2019-11-27 15:43:36,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98c9491f/b1c31f21fcb74895813fbfefdfbc6f7b [2019-11-27 15:43:36,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:36,623 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:36,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:36,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:36,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:36,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:36" (1/1) ... [2019-11-27 15:43:36,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:36, skipping insertion in model container [2019-11-27 15:43:36,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:36" (1/1) ... [2019-11-27 15:43:36,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:36,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:37,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:37,818 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:38,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:38,155 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:38,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38 WrapperNode [2019-11-27 15:43:38,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:38,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:38,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:38,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:38,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:38,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:38,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:38,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:38,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:38" (1/1) ... [2019-11-27 15:43:38,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:38,546 INFO L168 Benchmark]: Toolchain (without parser) took 1923.11 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 960.8 MB in the end (delta: 900.3 kB). Peak memory consumption was 965.8 kB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,551 INFO L168 Benchmark]: CDTParser took 3.17 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 15:43:38,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1530.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.2 MB in the end (delta: -10.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.29 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:38,556 INFO L168 Benchmark]: Boogie Preprocessor took 171.32 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 15:43:38,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.17 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 1530.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.2 MB in the end (delta: -10.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 209.29 ms. Allocated memory is still 1.0 GB. Free memory was 972.2 MB in the beginning and 966.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 171.32 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...