./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/Problem02_label23.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 a07d46acee19a1bf676413a71857b7cd94a5f704 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem02_label23.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 a07d46acee19a1bf676413a71857b7cd94a5f704 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:40:04,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:40:04,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:40:05,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:40:05,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:40:05,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:40:05,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:40:05,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:40:05,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:40:05,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:40:05,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:40:05,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:40:05,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:40:05,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:40:05,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:40:05,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:40:05,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:40:05,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:40:05,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:40:05,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:40:05,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:40:05,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:40:05,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:40:05,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:40:05,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:40:05,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:40:05,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:40:05,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:40:05,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:40:05,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:40:05,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:40:05,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:40:05,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:40:05,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:40:05,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:40:05,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:40:05,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:40:05,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:40:05,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:40:05,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:40:05,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:40:05,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:40:05,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:40:05,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:40:05,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:40:05,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:40:05,219 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:40:05,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:40:05,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:40:05,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:40:05,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:40:05,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:40:05,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:40:05,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:40:05,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:40:05,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:40:05,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:40:05,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:40:05,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:40:05,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:40:05,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:40:05,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:40:05,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:40:05,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:40:05,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:40:05,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:40:05,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:40:05,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:40:05,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:40:05,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:40:05,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:40:05,237 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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2019-11-24 20:40:05,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:40:05,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:40:05,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:40:05,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:40:05,905 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:40:05,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2019-11-24 20:40:06,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519dd22e2/85ba10d85550427da503bf00138c7d6f/FLAGff2380916 [2019-11-24 20:40:07,286 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:40:07,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2019-11-24 20:40:07,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519dd22e2/85ba10d85550427da503bf00138c7d6f/FLAGff2380916 [2019-11-24 20:40:07,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519dd22e2/85ba10d85550427da503bf00138c7d6f [2019-11-24 20:40:07,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:40:07,766 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:40:07,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:07,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:40:07,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:40:07,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:07,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c929ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:07, skipping insertion in model container [2019-11-24 20:40:07,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:07" (1/1) ... [2019-11-24 20:40:07,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:40:07,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:40:08,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:08,940 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:40:09,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:09,416 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:40:09,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09 WrapperNode [2019-11-24 20:40:09,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:09,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:09,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:40:09,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:40:09,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:09,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:40:09,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:40:09,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:40:09,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:09" (1/1) ... [2019-11-24 20:40:09,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:40:09,887 INFO L168 Benchmark]: Toolchain (without parser) took 2117.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.6 MB in the end (delta: 845.3 kB). Peak memory consumption was 910.8 kB. Max. memory is 12.5 GB. [2019-11-24 20:40:09,890 INFO L168 Benchmark]: CDTParser took 0.88 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. [2019-11-24 20:40:09,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1649.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:09,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 235.90 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:09,904 INFO L168 Benchmark]: Boogie Preprocessor took 211.87 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:09,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 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 1649.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 235.90 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 211.87 ms. Allocated memory is still 1.0 GB. Free memory was 978.0 MB in the beginning and 966.6 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 0.1.24-32f2683 [2019-11-24 20:40:13,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:40:13,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:40:13,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:40:13,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:40:13,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:40:13,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:40:13,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:40:13,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:40:13,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:40:13,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:40:13,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:40:13,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:40:13,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:40:13,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:40:13,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:40:13,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:40:13,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:40:13,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:40:13,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:40:13,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:40:13,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:40:13,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:40:13,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:40:13,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:40:13,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:40:13,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:40:13,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:40:14,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:40:14,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:40:14,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:40:14,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:40:14,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:40:14,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:40:14,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:40:14,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:40:14,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:40:14,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:40:14,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:40:14,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:40:14,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:40:14,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:40:14,082 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:40:14,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:40:14,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:40:14,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:40:14,086 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:40:14,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:40:14,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:40:14,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:40:14,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:40:14,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:40:14,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:40:14,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:40:14,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:40:14,094 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:40:14,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:40:14,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:40:14,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:40:14,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:40:14,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:40:14,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:40:14,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:40:14,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:40:14,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:40:14,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:40:14,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:40:14,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:40:14,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:40:14,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:40:14,103 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:40:14,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:40:14,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:40:14,105 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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2019-11-24 20:40:14,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:40:14,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:40:14,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:40:14,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:40:14,716 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:40:14,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2019-11-24 20:40:14,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26f4526f/654265bb75cb460d8194cd676636f89e/FLAG51acc508d [2019-11-24 20:40:16,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:40:16,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2019-11-24 20:40:16,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26f4526f/654265bb75cb460d8194cd676636f89e/FLAG51acc508d [2019-11-24 20:40:16,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a26f4526f/654265bb75cb460d8194cd676636f89e [2019-11-24 20:40:16,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:40:16,583 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:40:16,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:16,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:40:16,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:40:16,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:16, skipping insertion in model container [2019-11-24 20:40:16,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:40:16" (1/1) ... [2019-11-24 20:40:16,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:40:16,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:40:17,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:17,920 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:40:18,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:40:18,203 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:40:18,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18 WrapperNode [2019-11-24 20:40:18,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:40:18,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:18,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:40:18,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:40:18,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:40:18,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:40:18,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:40:18,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:40:18,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:40:18" (1/1) ... [2019-11-24 20:40:18,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:40:18,564 INFO L168 Benchmark]: Toolchain (without parser) took 1975.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.4 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:40:18,565 INFO L168 Benchmark]: CDTParser took 0.44 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. [2019-11-24 20:40:18,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1617.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:18,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.38 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:18,574 INFO L168 Benchmark]: Boogie Preprocessor took 161.12 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:40:18,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1617.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 185.38 ms. Allocated memory is still 1.0 GB. Free memory was 983.8 MB in the beginning and 978.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.12 ms. Allocated memory is still 1.0 GB. Free memory was 978.1 MB in the beginning and 972.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...