./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_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/Problem03_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 65a90df99508fccb9c9646be9034663c30719a58 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem03_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 65a90df99508fccb9c9646be9034663c30719a58 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:26:45,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:26:45,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:26:45,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:26:45,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:26:45,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:26:45,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:26:45,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:26:45,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:26:45,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:26:45,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:26:45,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:26:45,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:26:45,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:26:45,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:26:45,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:26:45,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:26:45,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:26:45,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:26:45,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:26:45,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:26:45,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:26:45,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:26:45,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:26:45,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:26:45,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:26:45,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:26:45,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:26:45,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:26:45,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:26:45,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:26:45,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:26:45,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:26:45,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:26:45,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:26:45,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:26:45,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:26:45,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:26:45,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:26:45,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:26:45,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:26:45,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:26:45,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:26:45,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:26:45,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:26:45,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:26:45,958 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:26:45,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:26:45,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:26:45,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:26:45,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:26:45,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:26:45,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:26:45,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:26:45,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:26:45,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:26:45,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:26:45,967 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:26:45,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:26:45,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:26:45,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:26:45,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:26:45,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:26:45,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:26:45,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:26:45,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:26:45,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:26:45,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:26:45,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:26:45,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:26:45,976 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 -> 65a90df99508fccb9c9646be9034663c30719a58 [2019-11-25 22:26:46,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:26:46,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:26:46,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:26:46,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:26:46,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:26:46,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2019-11-25 22:26:46,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6a6aea/26b93bb22a9348d3815da710d485d532/FLAGb0e0905ac [2019-11-25 22:26:48,197 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:26:48,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2019-11-25 22:26:48,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6a6aea/26b93bb22a9348d3815da710d485d532/FLAGb0e0905ac [2019-11-25 22:26:48,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6a6aea/26b93bb22a9348d3815da710d485d532 [2019-11-25 22:26:48,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:26:48,298 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:26:48,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:48,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:26:48,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:26:48,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:48" (1/1) ... [2019-11-25 22:26:48,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:48, skipping insertion in model container [2019-11-25 22:26:48,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:48" (1/1) ... [2019-11-25 22:26:48,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:26:48,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:26:50,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:50,198 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:26:50,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:50,847 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:26:50,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50 WrapperNode [2019-11-25 22:26:50,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:50,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:50,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:26:50,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:26:50,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:50,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:51,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:26:51,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:26:51,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:26:51,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50" (1/1) ... [2019-11-25 22:26:51,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:26:51,436 INFO L168 Benchmark]: Toolchain (without parser) took 3132.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 903.8 MB in the end (delta: 57.9 MB). Peak memory consumption was 58.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:51,439 INFO L168 Benchmark]: CDTParser took 1.43 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 22:26:51,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2551.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 926.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:51,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 298.05 ms. Allocated memory is still 1.0 GB. Free memory was 926.7 MB in the beginning and 915.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:51,449 INFO L168 Benchmark]: Boogie Preprocessor took 274.70 ms. Allocated memory is still 1.0 GB. Free memory was 915.3 MB in the beginning and 903.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:51,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 2551.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 926.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 298.05 ms. Allocated memory is still 1.0 GB. Free memory was 926.7 MB in the beginning and 915.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 274.70 ms. Allocated memory is still 1.0 GB. Free memory was 915.3 MB in the beginning and 903.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:26:55,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:26:55,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:26:55,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:26:55,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:26:55,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:26:55,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:26:55,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:26:55,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:26:55,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:26:55,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:26:55,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:26:55,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:26:55,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:26:55,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:26:55,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:26:55,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:26:55,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:26:55,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:26:55,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:26:55,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:26:55,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:26:55,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:26:55,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:26:55,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:26:55,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:26:55,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:26:55,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:26:55,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:26:55,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:26:55,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:26:55,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:26:55,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:26:55,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:26:55,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:26:55,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:26:55,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:26:55,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:26:55,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:26:55,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:26:55,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:26:55,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:26:55,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:26:55,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:26:55,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:26:55,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:26:55,801 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:26:55,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:26:55,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:26:55,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:26:55,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:26:55,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:26:55,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:26:55,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:26:55,808 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:26:55,809 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:26:55,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:26:55,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:26:55,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:26:55,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:26:55,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:26:55,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:26:55,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:26:55,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:26:55,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:26:55,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:26:55,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:26:55,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:26:55,818 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:26:55,819 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:26:55,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:26:55,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:26:55,823 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 -> 65a90df99508fccb9c9646be9034663c30719a58 [2019-11-25 22:26:56,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:26:56,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:26:56,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:26:56,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:26:56,441 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:26:56,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2019-11-25 22:26:56,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fbfbc28/28d1bb5475074f87928a44303c603faa/FLAG7d1c36289 [2019-11-25 22:26:57,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:26:57,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2019-11-25 22:26:58,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fbfbc28/28d1bb5475074f87928a44303c603faa/FLAG7d1c36289 [2019-11-25 22:26:58,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fbfbc28/28d1bb5475074f87928a44303c603faa [2019-11-25 22:26:58,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:26:58,083 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:26:58,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:58,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:26:58,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:26:58,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:58" (1/1) ... [2019-11-25 22:26:58,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:58, skipping insertion in model container [2019-11-25 22:26:58,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:58" (1/1) ... [2019-11-25 22:26:58,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:26:58,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:26:59,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:27:00,010 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:27:00,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:27:00,746 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:27:00,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00 WrapperNode [2019-11-25 22:27:00,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:27:00,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:27:00,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:27:00,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:27:00,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:00,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:27:01,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:27:01,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:27:01,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:27:01,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:00" (1/1) ... [2019-11-25 22:27:01,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:27:01,335 INFO L168 Benchmark]: Toolchain (without parser) took 3245.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 898.2 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:01,338 INFO L168 Benchmark]: CDTParser took 2.47 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 22:27:01,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2662.03 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 921.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:01,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 295.19 ms. Allocated memory is still 1.0 GB. Free memory was 921.1 MB in the beginning and 909.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:01,347 INFO L168 Benchmark]: Boogie Preprocessor took 279.17 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 898.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:27:01,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.47 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 2662.03 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 921.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 295.19 ms. Allocated memory is still 1.0 GB. Free memory was 921.1 MB in the beginning and 909.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 279.17 ms. Allocated memory is still 1.0 GB. Free memory was 909.6 MB in the beginning and 898.2 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...