./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label53.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/Problem18_label53.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 e743c1c7d5a4716717006e39b7cebdcab40edb4e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem18_label53.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 e743c1c7d5a4716717006e39b7cebdcab40edb4e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:38:44,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:44,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:44,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:44,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:44,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:44,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:44,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:44,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:44,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:44,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:44,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:44,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:44,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:44,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:44,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:44,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:44,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:44,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:44,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:44,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:44,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:44,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:44,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:44,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:44,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:44,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:44,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:44,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:44,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:44,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:44,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:44,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:44,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:44,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:44,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:44,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:44,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:44,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:44,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:44,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:44,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:38:44,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:44,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:44,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:44,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:44,946 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:44,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:44,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:44,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:38:44,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:44,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:44,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:44,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:44,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:44,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:44,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:44,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:44,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:44,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:44,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:44,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:44,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:44,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:44,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:44,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:44,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:44,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:38:44,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:38:44,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:44,963 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 -> e743c1c7d5a4716717006e39b7cebdcab40edb4e [2019-11-27 09:38:45,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:45,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:45,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:45,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:45,684 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:45,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label53.c [2019-11-27 09:38:45,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790e20b27/6fe2c957a3a94d87a3716815a5f99271/FLAGa8bf41ef2 [2019-11-27 09:38:47,440 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:47,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label53.c [2019-11-27 09:38:47,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790e20b27/6fe2c957a3a94d87a3716815a5f99271/FLAGa8bf41ef2 [2019-11-27 09:38:47,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790e20b27/6fe2c957a3a94d87a3716815a5f99271 [2019-11-27 09:38:47,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:47,567 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:47,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:47,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:47,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:47,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:47" (1/1) ... [2019-11-27 09:38:47,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae0ad6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:47, skipping insertion in model container [2019-11-27 09:38:47,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:47" (1/1) ... [2019-11-27 09:38:47,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:47,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:38:50,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:50,230 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:38:51,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:38:51,263 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:38:51,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51 WrapperNode [2019-11-27 09:38:51,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:51,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:51,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:38:51,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:38:51,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:51,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:51,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:38:51,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:38:51,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:38:51,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:38:51,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:51,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:51,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:51,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:52,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:52,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:52,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:51" (1/1) ... [2019-11-27 09:38:52,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:38:52,444 INFO L168 Benchmark]: Toolchain (without parser) took 4869.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 804.3 MB in the end (delta: 146.0 MB). Peak memory consumption was 146.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:52,448 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 09:38:52,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3696.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.6 MB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:52,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 584.35 ms. Allocated memory is still 1.0 GB. Free memory was 873.6 MB in the beginning and 827.7 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:52,455 INFO L168 Benchmark]: Boogie Preprocessor took 579.23 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:38:52,467 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 3696.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 873.6 MB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 584.35 ms. Allocated memory is still 1.0 GB. Free memory was 873.6 MB in the beginning and 827.7 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 579.23 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 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 09:38:56,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:38:56,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:38:56,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:38:56,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:38:56,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:38:56,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:38:56,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:38:56,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:38:56,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:38:56,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:38:56,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:38:56,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:38:56,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:38:56,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:38:56,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:38:56,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:38:56,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:38:56,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:38:56,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:38:56,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:38:56,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:38:56,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:38:56,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:38:56,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:38:56,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:38:56,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:38:56,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:38:56,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:38:56,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:38:56,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:38:56,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:38:56,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:38:56,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:38:56,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:38:56,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:38:56,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:38:56,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:38:56,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:38:56,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:38:56,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:38:56,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:38:56,644 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:38:56,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:38:56,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:38:56,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:38:56,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:38:56,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:38:56,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:38:56,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:38:56,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:38:56,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:38:56,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:38:56,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:38:56,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:38:56,659 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:38:56,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:38:56,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:38:56,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:38:56,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:38:56,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:38:56,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:38:56,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:38:56,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:38:56,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:38:56,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:38:56,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:38:56,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:38:56,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:38:56,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:38:56,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:38:56,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:38:56,670 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 -> e743c1c7d5a4716717006e39b7cebdcab40edb4e [2019-11-27 09:38:57,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:38:57,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:38:57,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:38:57,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:38:57,277 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:38:57,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label53.c [2019-11-27 09:38:57,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cea07e9b/70aeecd94ded4237934ee1286c615909/FLAGf3be70516 [2019-11-27 09:38:58,981 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:38:58,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label53.c [2019-11-27 09:38:59,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cea07e9b/70aeecd94ded4237934ee1286c615909/FLAGf3be70516 [2019-11-27 09:38:59,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cea07e9b/70aeecd94ded4237934ee1286c615909 [2019-11-27 09:38:59,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:38:59,107 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:38:59,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:38:59,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:38:59,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:38:59,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:59" (1/1) ... [2019-11-27 09:38:59,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:38:59, skipping insertion in model container [2019-11-27 09:38:59,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:38:59" (1/1) ... [2019-11-27 09:38:59,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:38:59,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:39:02,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:39:02,069 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:39:03,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:39:03,185 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:39:03,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03 WrapperNode [2019-11-27 09:39:03,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:39:03,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:39:03,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:39:03,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:39:03,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:39:03,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:39:03,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:39:03,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:39:03,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:39:03" (1/1) ... [2019-11-27 09:39:03,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:39:03,993 INFO L168 Benchmark]: Toolchain (without parser) took 4877.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 798.7 MB in the end (delta: 151.5 MB). Peak memory consumption was 151.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:03,994 INFO L168 Benchmark]: CDTParser took 0.43 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 09:39:03,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4078.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:03,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 416.55 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 821.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:04,001 INFO L168 Benchmark]: Boogie Preprocessor took 374.92 ms. Allocated memory is still 1.0 GB. Free memory was 821.7 MB in the beginning and 798.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:39:04,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 4078.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 845.1 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 416.55 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 821.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 374.92 ms. Allocated memory is still 1.0 GB. Free memory was 821.7 MB in the beginning and 798.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...