./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label27.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 e1af67db67a88433de1a31e57b46e50dcbb6e7d8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label27.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 e1af67db67a88433de1a31e57b46e50dcbb6e7d8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:42:34,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:34,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:34,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:34,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:34,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:34,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:34,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:34,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:34,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:34,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:34,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:34,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:34,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:34,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:34,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:34,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:34,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:34,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:34,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:34,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:34,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:34,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:34,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:34,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:34,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:34,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:34,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:34,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:34,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:34,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:34,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:34,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:34,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:34,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:34,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:34,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:34,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:34,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:34,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:34,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:34,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:42:34,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:34,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:34,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:34,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:34,536 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:34,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:34,537 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:34,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:42:34,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:34,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:34,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:34,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:34,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:34,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:34,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:34,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:34,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:34,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:34,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:34,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:34,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:34,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:34,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:34,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:34,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:34,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:42:34,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:42:34,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:34,552 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 -> e1af67db67a88433de1a31e57b46e50dcbb6e7d8 [2019-11-27 15:42:35,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:35,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:35,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:35,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:35,206 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:35,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2019-11-27 15:42:35,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257fbe3d3/9f744b7461e94ea288650eb8388d66b0/FLAG75dcc3105 [2019-11-27 15:42:36,589 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:36,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2019-11-27 15:42:36,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257fbe3d3/9f744b7461e94ea288650eb8388d66b0/FLAG75dcc3105 [2019-11-27 15:42:37,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257fbe3d3/9f744b7461e94ea288650eb8388d66b0 [2019-11-27 15:42:37,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:37,055 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:37,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:37,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:37,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:37,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:37" (1/1) ... [2019-11-27 15:42:37,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:37, skipping insertion in model container [2019-11-27 15:42:37,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:37" (1/1) ... [2019-11-27 15:42:37,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:37,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:38,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:38,133 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:38,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:38,484 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:38,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38 WrapperNode [2019-11-27 15:42:38,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:38,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:38,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:38,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:38,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:38,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:38,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:38,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:38,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:38" (1/1) ... [2019-11-27 15:42:38,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:38,846 INFO L168 Benchmark]: Toolchain (without parser) took 1785.20 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 972.1 MB in the end (delta: -10.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:42:38,852 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:42:38,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1426.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:38,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.50 ms. Allocated memory is still 1.0 GB. Free memory was 983.6 MB in the beginning and 977.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:38,863 INFO L168 Benchmark]: Boogie Preprocessor took 177.66 ms. Allocated memory is still 1.0 GB. Free memory was 977.9 MB in the beginning and 972.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:38,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 1426.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 166.50 ms. Allocated memory is still 1.0 GB. Free memory was 983.6 MB in the beginning and 977.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 177.66 ms. Allocated memory is still 1.0 GB. Free memory was 977.9 MB in the beginning and 972.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:42:42,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:42:42,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:42:42,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:42:42,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:42:42,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:42:42,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:42:42,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:42:42,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:42:42,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:42:42,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:42:42,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:42:42,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:42:42,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:42:42,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:42:42,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:42:42,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:42:42,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:42:42,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:42:42,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:42:42,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:42:42,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:42:42,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:42:42,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:42:42,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:42:42,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:42:42,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:42:42,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:42:42,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:42:42,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:42:42,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:42:42,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:42:42,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:42:42,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:42:42,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:42:42,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:42:42,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:42:42,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:42:42,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:42:42,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:42:42,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:42:42,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:42:43,013 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:42:43,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:42:43,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:42:43,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:42:43,022 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:42:43,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:42:43,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:42:43,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:42:43,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:42:43,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:42:43,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:42:43,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:42:43,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:42:43,030 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:42:43,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:42:43,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:42:43,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:42:43,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:42:43,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:42:43,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:42:43,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:42:43,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:42:43,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:42:43,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:42:43,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:42:43,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:42:43,037 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:42:43,038 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:42:43,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:42:43,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:42:43,044 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 -> e1af67db67a88433de1a31e57b46e50dcbb6e7d8 [2019-11-27 15:42:43,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:42:43,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:42:43,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:42:43,613 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:42:43,616 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:42:43,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2019-11-27 15:42:43,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be221c1e8/53382808f8ac4553b185f5195e4b0285/FLAG21200eb0e [2019-11-27 15:42:45,101 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:42:45,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2019-11-27 15:42:45,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be221c1e8/53382808f8ac4553b185f5195e4b0285/FLAG21200eb0e [2019-11-27 15:42:45,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be221c1e8/53382808f8ac4553b185f5195e4b0285 [2019-11-27 15:42:45,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:42:45,194 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:42:45,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:45,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:42:45,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:42:45,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:45" (1/1) ... [2019-11-27 15:42:45,215 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 03:42:45, skipping insertion in model container [2019-11-27 15:42:45,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:42:45" (1/1) ... [2019-11-27 15:42:45,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:42:45,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:42:46,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:46,443 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:42:46,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:42:46,779 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:42:46,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46 WrapperNode [2019-11-27 15:42:46,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:42:46,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:46,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:42:46,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:42:46,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:46,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:46,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:42:46,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:42:46,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:42:46,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:42:46,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:46,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:47,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:47,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:47,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:47,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:47,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:42:46" (1/1) ... [2019-11-27 15:42:47,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:42:47,148 INFO L168 Benchmark]: Toolchain (without parser) took 1949.24 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 955.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:47,149 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:42:47,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1585.49 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:47,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.36 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:47,156 INFO L168 Benchmark]: Boogie Preprocessor took 166.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:42:47,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1585.49 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 188.36 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 166.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 955.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...