./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_label26.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 aced3db685c61109ac5aa137b04226bec6bd3022 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label26.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 aced3db685c61109ac5aa137b04226bec6bd3022 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:51:09,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:09,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:09,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:09,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:09,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:09,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:09,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:09,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:09,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:09,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:09,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:09,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:09,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:09,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:09,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:09,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:09,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:09,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:09,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:09,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:09,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:09,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:09,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:09,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:09,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:09,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:09,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:09,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:09,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:09,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:09,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:09,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:09,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:09,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:09,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:09,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:09,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:09,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:09,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:09,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:09,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:51:09,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:09,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:09,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:09,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:09,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:09,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:09,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:09,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:51:09,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:09,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:09,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:09,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:09,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:09,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:09,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:09,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:09,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:09,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:09,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:09,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:09,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:09,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:09,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:09,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:09,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:09,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:51:09,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:51:09,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:09,987 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 -> aced3db685c61109ac5aa137b04226bec6bd3022 [2019-11-26 16:51:10,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:10,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:10,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:10,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:10,742 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:10,743 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-26 16:51:10,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94b914e2/6b031fcf69084c63a4454d30f406c79e/FLAG510049500 [2019-11-26 16:51:12,595 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:12,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-26 16:51:12,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94b914e2/6b031fcf69084c63a4454d30f406c79e/FLAG510049500 [2019-11-26 16:51:12,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94b914e2/6b031fcf69084c63a4454d30f406c79e [2019-11-26 16:51:12,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:12,722 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:12,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:12,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:12,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:12,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:12" (1/1) ... [2019-11-26 16:51:12,747 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 26.11 04:51:12, skipping insertion in model container [2019-11-26 16:51:12,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:12" (1/1) ... [2019-11-26 16:51:12,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:12,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:15,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:15,159 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:16,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:16,213 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:16,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16 WrapperNode [2019-11-26 16:51:16,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:16,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:16,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:16,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:16,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:16,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:16,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:16,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:16,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:16,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:16,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:16,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:16,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:16,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:17,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:17,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:17,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:16" (1/1) ... [2019-11-26 16:51:17,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:17,371 INFO L168 Benchmark]: Toolchain (without parser) took 4643.84 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 804.5 MB in the end (delta: 151.5 MB). Peak memory consumption was 151.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:17,372 INFO L168 Benchmark]: CDTParser took 3.55 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. [2019-11-26 16:51:17,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3495.51 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 873.4 MB in the end (delta: 82.6 MB). Peak memory consumption was 82.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:17,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 571.64 ms. Allocated memory is still 1.0 GB. Free memory was 873.4 MB in the beginning and 833.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:17,383 INFO L168 Benchmark]: Boogie Preprocessor took 570.98 ms. Allocated memory is still 1.0 GB. Free memory was 833.3 MB in the beginning and 804.5 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:17,394 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.55 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 3495.51 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 873.4 MB in the end (delta: 82.6 MB). Peak memory consumption was 82.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 571.64 ms. Allocated memory is still 1.0 GB. Free memory was 873.4 MB in the beginning and 833.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 570.98 ms. Allocated memory is still 1.0 GB. Free memory was 833.3 MB in the beginning and 804.5 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 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 0.1.24-025d5a2 [2019-11-26 16:51:21,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:21,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:21,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:21,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:21,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:21,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:21,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:21,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:21,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:21,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:21,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:21,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:21,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:21,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:21,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:21,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:21,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:21,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:21,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:21,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:21,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:21,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:21,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:21,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:21,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:21,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:21,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:21,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:21,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:21,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:21,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:21,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:21,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:21,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:21,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:21,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:21,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:21,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:21,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:21,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:21,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:51:21,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:21,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:21,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:21,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:21,609 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:21,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:21,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:21,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:21,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:21,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:21,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:21,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:21,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:51:21,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:51:21,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:21,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:21,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:21,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:21,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:21,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:21,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:21,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:21,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:21,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:21,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:21,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:21,625 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:51:21,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:51:21,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:21,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:51:21,627 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 -> aced3db685c61109ac5aa137b04226bec6bd3022 [2019-11-26 16:51:22,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:22,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:22,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:22,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:22,269 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:22,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-26 16:51:22,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2508a699a/30163df74f8f4e13bf5e86077e2d0727/FLAG83646154f [2019-11-26 16:51:24,145 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:24,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label26.c [2019-11-26 16:51:24,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2508a699a/30163df74f8f4e13bf5e86077e2d0727/FLAG83646154f [2019-11-26 16:51:24,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2508a699a/30163df74f8f4e13bf5e86077e2d0727 [2019-11-26 16:51:24,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:24,268 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:24,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:24,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:24,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:24,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:24" (1/1) ... [2019-11-26 16:51:24,293 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 26.11 04:51:24, skipping insertion in model container [2019-11-26 16:51:24,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:24" (1/1) ... [2019-11-26 16:51:24,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:24,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:27,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:27,091 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:28,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:28,425 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:28,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28 WrapperNode [2019-11-26 16:51:28,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:28,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:28,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:28,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:28,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:28,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:28,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:28,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:28,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:28,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:28,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:28,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:28,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:28,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:29,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:29,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:29,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:28" (1/1) ... [2019-11-26 16:51:29,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:29,243 INFO L168 Benchmark]: Toolchain (without parser) took 4967.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 799.1 MB in the end (delta: 149.7 MB). Peak memory consumption was 149.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:29,243 INFO L168 Benchmark]: CDTParser took 2.54 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. [2019-11-26 16:51:29,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4159.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 845.1 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:29,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 423.79 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:29,253 INFO L168 Benchmark]: Boogie Preprocessor took 376.71 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:29,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.54 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 4159.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 845.1 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 423.79 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 376.71 ms. Allocated memory is still 1.0 GB. Free memory was 816.4 MB in the beginning and 799.1 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...