./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_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/Problem01_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 3774d82389353be2170e26cc4e53c0d06e3cb94d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_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 3774d82389353be2170e26cc4e53c0d06e3cb94d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:20:29,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:29,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:29,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:29,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:29,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:29,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:29,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:29,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:29,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:29,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:29,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:29,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:29,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:29,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:29,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:29,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:29,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:29,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:29,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:29,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:29,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:29,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:29,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:29,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:29,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:29,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:29,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:29,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:29,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:29,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:29,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:29,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:29,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:29,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:29,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:29,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:29,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:29,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:29,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:29,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:29,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:20:29,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:29,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:29,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:29,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:29,410 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:29,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:29,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:29,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:20:29,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:29,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:29,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:29,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:29,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:29,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:29,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:29,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:29,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:29,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:29,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:29,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:29,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:29,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:29,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:29,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:29,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:29,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:20:29,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:20:29,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:29,427 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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2019-11-27 09:20:29,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:30,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:30,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:30,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:30,028 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:30,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-27 09:20:30,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0140b4cb3/04673af13ddd4ad9a0ffb4e66353394f/FLAG632aa6ef9 [2019-11-27 09:20:31,541 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:31,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-27 09:20:31,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0140b4cb3/04673af13ddd4ad9a0ffb4e66353394f/FLAG632aa6ef9 [2019-11-27 09:20:31,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0140b4cb3/04673af13ddd4ad9a0ffb4e66353394f [2019-11-27 09:20:31,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:31,643 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:31,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:31,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:31,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:31,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:31" (1/1) ... [2019-11-27 09:20:31,671 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 09:20:31, skipping insertion in model container [2019-11-27 09:20:31,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:31" (1/1) ... [2019-11-27 09:20:31,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:31,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:32,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:32,962 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:33,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:33,319 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:33,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33 WrapperNode [2019-11-27 09:20:33,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:33,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:33,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:33,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:33,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:33,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:33,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:33,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:33,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:33" (1/1) ... [2019-11-27 09:20:33,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:33,745 INFO L168 Benchmark]: Toolchain (without parser) took 2103.20 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: 213.2 kB). Peak memory consumption was 278.8 kB. Max. memory is 12.5 GB. [2019-11-27 09:20:33,752 INFO L168 Benchmark]: CDTParser took 0.39 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 09:20:33,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1678.60 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 972.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:33,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.98 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:33,764 INFO L168 Benchmark]: Boogie Preprocessor took 189.65 ms. Allocated memory is still 1.0 GB. Free memory was 967.2 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 09:20:33,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1678.60 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 972.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 220.98 ms. Allocated memory is still 1.0 GB. Free memory was 972.9 MB in the beginning and 967.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 189.65 ms. Allocated memory is still 1.0 GB. Free memory was 967.2 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 09:20:37,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:20:37,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:20:37,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:20:37,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:20:37,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:20:37,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:20:37,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:20:37,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:20:37,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:20:37,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:20:37,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:20:37,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:20:37,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:20:37,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:20:37,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:20:37,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:20:37,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:20:37,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:20:37,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:20:37,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:20:37,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:20:37,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:20:37,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:20:37,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:20:37,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:20:37,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:20:37,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:20:37,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:20:37,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:20:37,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:20:37,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:20:37,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:20:37,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:20:37,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:20:37,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:20:37,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:20:37,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:20:37,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:20:37,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:20:37,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:20:37,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:20:37,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:20:37,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:20:38,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:20:38,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:20:38,004 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:20:38,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:20:38,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:20:38,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:20:38,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:20:38,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:20:38,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:20:38,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:20:38,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:20:38,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:20:38,009 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:20:38,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:20:38,012 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:20:38,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:20:38,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:20:38,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:20:38,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:20:38,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:20:38,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:20:38,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:20:38,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:20:38,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:20:38,018 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:20:38,018 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:20:38,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:20:38,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:20:38,020 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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2019-11-27 09:20:38,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:20:38,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:20:38,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:20:38,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:20:38,677 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:20:38,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-27 09:20:38,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9238e11cf/aac0b5fa0aa548bfacce01a0bfdaa0c9/FLAG8ec6e4ce1 [2019-11-27 09:20:40,180 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:20:40,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-11-27 09:20:40,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9238e11cf/aac0b5fa0aa548bfacce01a0bfdaa0c9/FLAG8ec6e4ce1 [2019-11-27 09:20:40,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9238e11cf/aac0b5fa0aa548bfacce01a0bfdaa0c9 [2019-11-27 09:20:40,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:20:40,271 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:20:40,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:40,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:20:40,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:20:40,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:40" (1/1) ... [2019-11-27 09:20:40,294 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 09:20:40, skipping insertion in model container [2019-11-27 09:20:40,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:20:40" (1/1) ... [2019-11-27 09:20:40,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:20:40,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:20:41,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:41,646 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:20:41,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:20:41,977 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:20:41,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41 WrapperNode [2019-11-27 09:20:41,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:20:41,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:41,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:20:41,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:20:42,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:20:42,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:20:42,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:20:42,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:20:42,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:20:41" (1/1) ... [2019-11-27 09:20:42,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:20:42,390 INFO L168 Benchmark]: Toolchain (without parser) took 2114.81 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 962.2 MB in the end (delta: -484.9 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:20:42,391 INFO L168 Benchmark]: CDTParser took 0.36 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 09:20:42,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1709.00 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 973.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:42,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.87 ms. Allocated memory is still 1.0 GB. Free memory was 973.6 MB in the beginning and 967.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:42,401 INFO L168 Benchmark]: Boogie Preprocessor took 179.13 ms. Allocated memory is still 1.0 GB. Free memory was 967.9 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:20:42,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1709.00 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 973.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 219.87 ms. Allocated memory is still 1.0 GB. Free memory was 973.6 MB in the beginning and 967.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.13 ms. Allocated memory is still 1.0 GB. Free memory was 967.9 MB in the beginning and 962.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...