./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem13_label20.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/Problem13_label20.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 cb18b6c79c99bbe1877c6cd59c97a7ba19c05fbb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem13_label20.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 cb18b6c79c99bbe1877c6cd59c97a7ba19c05fbb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:56:21,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:56:21,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:56:21,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:56:21,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:56:21,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:56:21,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:56:21,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:56:21,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:56:21,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:56:21,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:56:21,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:56:21,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:56:21,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:56:21,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:56:21,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:56:21,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:56:21,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:56:21,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:56:21,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:56:21,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:56:21,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:56:21,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:56:21,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:56:21,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:56:21,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:56:21,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:56:21,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:56:21,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:56:21,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:56:21,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:56:21,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:56:21,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:56:21,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:56:21,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:56:21,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:56:21,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:56:21,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:56:21,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:56:21,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:56:21,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:56:21,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:56:21,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:56:21,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:56:21,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:56:21,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:56:21,403 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:56:21,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:56:21,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:56:21,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:56:21,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:56:21,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:56:21,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:56:21,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:56:21,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:56:21,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:56:21,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:56:21,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:56:21,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:56:21,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:56:21,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:56:21,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:56:21,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:56:21,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:56:21,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:56:21,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:56:21,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:56:21,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:56:21,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:56:21,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:56:21,423 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 -> cb18b6c79c99bbe1877c6cd59c97a7ba19c05fbb [2019-11-27 15:56:21,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:56:22,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:56:22,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:56:22,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:56:22,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:56:22,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem13_label20.c [2019-11-27 15:56:22,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a73eaff/f10dcef7e2064aa4aab1789ccf76e830/FLAG8f857a22b [2019-11-27 15:56:23,994 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:56:23,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem13_label20.c [2019-11-27 15:56:24,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a73eaff/f10dcef7e2064aa4aab1789ccf76e830/FLAG8f857a22b [2019-11-27 15:56:24,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a73eaff/f10dcef7e2064aa4aab1789ccf76e830 [2019-11-27 15:56:24,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:24,531 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:24,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:24,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:24,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:24,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:24" (1/1) ... [2019-11-27 15:56:24,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff3520c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:24, skipping insertion in model container [2019-11-27 15:56:24,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:24" (1/1) ... [2019-11-27 15:56:24,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:24,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:28,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:28,440 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:30,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:30,270 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:30,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30 WrapperNode [2019-11-27 15:56:30,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:30,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:30,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:30,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:30,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:30,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:31,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:31,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:31,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:31,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:31,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:31,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:32,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:32,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:32,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:32,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:32,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:30" (1/1) ... [2019-11-27 15:56:33,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:33,041 INFO L168 Benchmark]: Toolchain (without parser) took 8506.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 807.2 MB in the end (delta: 143.0 MB). Peak memory consumption was 143.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:33,042 INFO L168 Benchmark]: CDTParser took 2.71 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 15:56:33,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5741.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 772.4 MB in the end (delta: 177.9 MB). Peak memory consumption was 177.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:33,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 1516.73 ms. Allocated memory is still 1.0 GB. Free memory was 772.4 MB in the beginning and 872.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 129.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:33,051 INFO L168 Benchmark]: Boogie Preprocessor took 1238.26 ms. Allocated memory is still 1.0 GB. Free memory was 872.2 MB in the beginning and 807.2 MB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:33,062 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.71 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 5741.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 772.4 MB in the end (delta: 177.9 MB). Peak memory consumption was 177.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1516.73 ms. Allocated memory is still 1.0 GB. Free memory was 772.4 MB in the beginning and 872.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 129.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1238.26 ms. Allocated memory is still 1.0 GB. Free memory was 872.2 MB in the beginning and 807.2 MB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 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 15:56:36,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:56:37,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:56:37,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:56:37,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:56:37,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:56:37,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:56:37,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:56:37,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:56:37,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:56:37,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:56:37,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:56:37,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:56:37,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:56:37,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:56:37,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:56:37,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:56:37,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:56:37,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:56:37,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:56:37,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:56:37,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:56:37,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:56:37,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:56:37,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:56:37,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:56:37,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:56:37,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:56:37,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:56:37,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:56:37,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:56:37,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:56:37,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:56:37,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:56:37,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:56:37,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:56:37,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:56:37,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:56:37,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:56:37,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:56:37,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:56:37,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:56:37,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:56:37,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:56:37,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:56:37,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:56:37,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:56:37,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:56:37,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:56:37,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:56:37,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:56:37,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:56:37,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:56:37,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:56:37,248 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:56:37,248 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:56:37,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:56:37,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:56:37,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:56:37,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:56:37,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:56:37,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:56:37,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:56:37,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:56:37,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:56:37,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:56:37,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:56:37,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:56:37,255 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:56:37,255 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:56:37,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:56:37,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:56:37,259 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 -> cb18b6c79c99bbe1877c6cd59c97a7ba19c05fbb [2019-11-27 15:56:37,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:56:37,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:56:37,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:56:37,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:56:37,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:56:37,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem13_label20.c [2019-11-27 15:56:38,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a704773/5b29708682254dc18507529a4fbb9bab/FLAGec19df1d2 [2019-11-27 15:56:39,772 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:56:39,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem13_label20.c [2019-11-27 15:56:39,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a704773/5b29708682254dc18507529a4fbb9bab/FLAGec19df1d2 [2019-11-27 15:56:40,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a704773/5b29708682254dc18507529a4fbb9bab [2019-11-27 15:56:40,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:56:40,206 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:56:40,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:40,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:56:40,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:56:40,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:40" (1/1) ... [2019-11-27 15:56:40,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:40, skipping insertion in model container [2019-11-27 15:56:40,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:56:40" (1/1) ... [2019-11-27 15:56:40,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:40,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:44,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:44,368 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:46,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:46,268 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:46,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46 WrapperNode [2019-11-27 15:56:46,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:46,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:46,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:46,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:46,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:46,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:46,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:46,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:46,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:46,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:47,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:46" (1/1) ... [2019-11-27 15:56:47,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:47,661 INFO L168 Benchmark]: Toolchain (without parser) took 7449.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 881.5 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:47,662 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:56:47,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6062.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 715.3 MB in the end (delta: 235.0 MB). Peak memory consumption was 235.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:47,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 714.90 ms. Allocated memory is still 1.0 GB. Free memory was 715.3 MB in the beginning and 920.4 MB in the end (delta: -205.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:47,673 INFO L168 Benchmark]: Boogie Preprocessor took 662.35 ms. Allocated memory is still 1.0 GB. Free memory was 920.4 MB in the beginning and 881.5 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:47,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 6062.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 715.3 MB in the end (delta: 235.0 MB). Peak memory consumption was 235.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 714.90 ms. Allocated memory is still 1.0 GB. Free memory was 715.3 MB in the beginning and 920.4 MB in the end (delta: -205.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 662.35 ms. Allocated memory is still 1.0 GB. Free memory was 920.4 MB in the beginning and 881.5 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...