./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label04.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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label04.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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:04,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:04,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:04,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:04,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:04,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:04,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:04,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:04,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:04,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:04,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:04,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:04,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:04,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:04,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:04,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:04,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:04,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:04,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:04,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:04,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:04,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:04,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:04,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:04,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:04,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:04,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:04,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:04,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:04,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:04,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:04,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:04,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:04,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:04,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:04,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:04,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:04,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:04,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:04,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:04,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:04,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:04,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:04,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:04,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:04,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:04,530 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:04,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:04,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:04,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:04,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:04,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:04,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:04,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:04,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:04,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:04,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:04,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:04,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:04,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:04,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:04,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:04,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:04,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:04,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:04,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:04,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:04,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:04,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:04,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:04,547 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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-27 09:21:05,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:05,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:05,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:05,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:05,187 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:05,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 09:21:05,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7a6cd5d/baa017f45b65475db7dabc26182d670d/FLAG7d9334683 [2019-11-27 09:21:06,657 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:06,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 09:21:06,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7a6cd5d/baa017f45b65475db7dabc26182d670d/FLAG7d9334683 [2019-11-27 09:21:06,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7a6cd5d/baa017f45b65475db7dabc26182d670d [2019-11-27 09:21:06,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:06,749 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:06,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:06,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:06,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:06,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:06" (1/1) ... [2019-11-27 09:21:06,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:06, skipping insertion in model container [2019-11-27 09:21:06,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:06" (1/1) ... [2019-11-27 09:21:06,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:06,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:08,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:08,048 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:08,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:08,470 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:08,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08 WrapperNode [2019-11-27 09:21:08,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:08,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:08,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:08,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:08,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:08,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:08,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:08,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:08" (1/1) ... [2019-11-27 09:21:08,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:08,890 INFO L168 Benchmark]: Toolchain (without parser) took 2130.74 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: 158.2 kB). Peak memory consumption was 223.8 kB. Max. memory is 12.5 GB. [2019-11-27 09:21:08,892 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:08,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1722.30 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 09:21:08,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.26 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 09:21:08,909 INFO L168 Benchmark]: Boogie Preprocessor took 190.11 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 09:21:08,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1722.30 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 210.26 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 190.11 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-da95e15 [2019-11-27 09:21:12,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:12,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:12,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:12,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:12,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:12,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:12,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:12,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:12,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:12,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:12,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:13,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:13,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:13,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:13,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:13,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:13,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:13,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:13,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:13,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:13,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:13,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:13,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:13,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:13,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:13,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:13,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:13,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:13,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:13,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:13,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:13,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:13,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:13,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:13,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:13,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:13,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:13,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:13,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:13,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:13,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:13,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:13,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:13,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:13,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:13,153 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:13,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:13,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:13,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:13,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:13,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:13,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:13,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:13,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:13,163 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:13,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:13,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:13,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:13,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:13,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:13,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:13,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:13,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:13,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:13,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:13,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:13,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:13,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:13,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:13,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:13,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:13,173 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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-27 09:21:13,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:13,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:13,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:13,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:13,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:13,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 09:21:14,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6827c5467/2e0a18a7f1b147da94fa199f1f6ff73b/FLAGb5d6734d0 [2019-11-27 09:21:15,328 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:15,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-27 09:21:15,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6827c5467/2e0a18a7f1b147da94fa199f1f6ff73b/FLAGb5d6734d0 [2019-11-27 09:21:15,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6827c5467/2e0a18a7f1b147da94fa199f1f6ff73b [2019-11-27 09:21:15,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:15,428 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:15,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:15,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:15,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:15,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:15" (1/1) ... [2019-11-27 09:21:15,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6a88b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:15, skipping insertion in model container [2019-11-27 09:21:15,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:15" (1/1) ... [2019-11-27 09:21:15,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:15,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:16,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:16,729 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:17,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:17,097 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:17,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17 WrapperNode [2019-11-27 09:21:17,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:17,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:17,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:17,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:17,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:17,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:17,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:17,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:17,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:17" (1/1) ... [2019-11-27 09:21:17,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:17,435 INFO L168 Benchmark]: Toolchain (without parser) took 1999.74 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 950.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:17,436 INFO L168 Benchmark]: CDTParser took 2.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:17,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1668.05 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 962.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:17,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.88 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:17,443 INFO L168 Benchmark]: Boogie Preprocessor took 163.64 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:17,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.40 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 1668.05 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 962.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.88 ms. Allocated memory is still 1.0 GB. Free memory was 962.2 MB in the beginning and 956.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 163.64 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 950.8 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...