./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/Problem16_label20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cdc7d579d418415f2aa03257631ca8b8ed31aef ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem16_label20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cdc7d579d418415f2aa03257631ca8b8ed31aef ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:41:46,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:41:46,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:41:46,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:41:46,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:41:46,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:41:46,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:41:46,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:41:46,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:41:46,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:41:46,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:41:46,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:41:46,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:41:46,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:41:46,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:41:46,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:41:46,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:41:46,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:41:46,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:41:46,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:41:46,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:41:46,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:41:46,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:41:46,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:41:46,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:41:46,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:41:46,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:41:46,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:41:46,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:41:46,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:41:46,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:41:46,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:41:46,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:41:46,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:41:46,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:41:46,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:41:46,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:41:46,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:41:46,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:41:46,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:41:46,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:41:46,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:41:46,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:41:46,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:41:46,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:41:46,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:41:46,942 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:41:46,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:41:46,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:41:46,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:41:46,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:41:46,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:41:46,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:41:46,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:41:46,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:41:46,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:41:46,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:41:46,952 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:41:46,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:41:46,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:41:46,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:41:46,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:41:46,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:41:46,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:41:46,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:41:46,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:41:46,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:41:46,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:41:46,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:41:46,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:41:46,959 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 -> 0cdc7d579d418415f2aa03257631ca8b8ed31aef [2019-11-25 22:41:47,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:41:47,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:41:47,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:41:47,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:41:47,672 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:41:47,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label20.c [2019-11-25 22:41:47,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf629cec0/62c7eadab3bc4f3cb0c14464db950718/FLAG0f05909c0 [2019-11-25 22:41:49,470 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:41:49,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label20.c [2019-11-25 22:41:49,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf629cec0/62c7eadab3bc4f3cb0c14464db950718/FLAG0f05909c0 [2019-11-25 22:41:49,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf629cec0/62c7eadab3bc4f3cb0c14464db950718 [2019-11-25 22:41:49,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:41:49,573 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:41:49,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:41:49,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:41:49,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:41:49,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:41:49" (1/1) ... [2019-11-25 22:41:49,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:49, skipping insertion in model container [2019-11-25 22:41:49,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:41:49" (1/1) ... [2019-11-25 22:41:49,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:41:49,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:41:51,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:41:51,517 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:41:52,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:41:52,741 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:41:52,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52 WrapperNode [2019-11-25 22:41:52,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:41:52,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:41:52,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:41:52,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:41:52,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:52,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:41:53,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:41:53,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:41:53,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:41:53,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:41:52" (1/1) ... [2019-11-25 22:41:53,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:41:53,491 INFO L168 Benchmark]: Toolchain (without parser) took 3910.82 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 892.5 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:41:53,492 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:41:53,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3163.69 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 932.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:41:53,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.09 ms. Allocated memory is still 1.0 GB. Free memory was 932.7 MB in the beginning and 909.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:41:53,502 INFO L168 Benchmark]: Boogie Preprocessor took 389.64 ms. Allocated memory is still 1.0 GB. Free memory was 909.8 MB in the beginning and 892.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:41:53,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 3163.69 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 932.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 347.09 ms. Allocated memory is still 1.0 GB. Free memory was 932.7 MB in the beginning and 909.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 389.64 ms. Allocated memory is still 1.0 GB. Free memory was 909.8 MB in the beginning and 892.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 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 0.1.24-65d6cd2 [2019-11-25 22:41:57,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:41:57,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:41:57,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:41:57,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:41:57,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:41:57,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:41:57,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:41:57,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:41:57,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:41:57,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:41:57,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:41:57,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:41:57,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:41:57,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:41:57,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:41:57,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:41:57,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:41:57,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:41:57,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:41:57,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:41:57,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:41:57,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:41:57,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:41:57,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:41:57,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:41:57,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:41:57,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:41:57,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:41:57,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:41:57,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:41:57,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:41:57,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:41:57,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:41:57,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:41:57,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:41:57,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:41:57,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:41:57,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:41:57,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:41:57,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:41:57,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:41:57,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:41:57,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:41:57,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:41:57,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:41:57,673 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:41:57,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:41:57,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:41:57,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:41:57,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:41:57,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:41:57,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:41:57,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:41:57,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:41:57,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:41:57,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:41:57,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:41:57,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:41:57,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:41:57,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:41:57,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:41:57,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:41:57,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:41:57,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:41:57,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:41:57,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:41:57,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:41:57,687 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:41:57,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:41:57,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:41:57,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:41:57,690 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 -> 0cdc7d579d418415f2aa03257631ca8b8ed31aef [2019-11-25 22:41:58,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:41:58,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:41:58,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:41:58,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:41:58,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:41:58,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label20.c [2019-11-25 22:41:58,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654a932b7/8eab61102f414e8c9821f510e9288b29/FLAGd39034f8b [2019-11-25 22:41:59,948 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:41:59,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label20.c [2019-11-25 22:42:00,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654a932b7/8eab61102f414e8c9821f510e9288b29/FLAGd39034f8b [2019-11-25 22:42:00,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654a932b7/8eab61102f414e8c9821f510e9288b29 [2019-11-25 22:42:00,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:42:00,204 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:42:00,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:42:00,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:42:00,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:42:00,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:42:00" (1/1) ... [2019-11-25 22:42:00,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:00, skipping insertion in model container [2019-11-25 22:42:00,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:42:00" (1/1) ... [2019-11-25 22:42:00,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:42:00,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:42:02,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:42:02,210 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:42:02,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:42:02,830 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:42:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02 WrapperNode [2019-11-25 22:42:02,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:42:02,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:42:02,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:42:02,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:42:02,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:02,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:42:03,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:42:03,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:42:03,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:42:03,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:42:02" (1/1) ... [2019-11-25 22:42:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:42:03,351 INFO L168 Benchmark]: Toolchain (without parser) took 3142.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 908.0 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:42:03,352 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-25 22:42:03,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2626.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 931.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:42:03,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 273.90 ms. Allocated memory is still 1.0 GB. Free memory was 931.0 MB in the beginning and 919.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:42:03,362 INFO L168 Benchmark]: Boogie Preprocessor took 233.61 ms. Allocated memory is still 1.0 GB. Free memory was 919.5 MB in the beginning and 908.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:42:03,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 2626.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 931.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 273.90 ms. Allocated memory is still 1.0 GB. Free memory was 931.0 MB in the beginning and 919.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 233.61 ms. Allocated memory is still 1.0 GB. Free memory was 919.5 MB in the beginning and 908.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...