./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label21.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/Problem02_label21.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 d72d8b32d23c090e7c4c923093cd0c146af9199e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label21.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 d72d8b32d23c090e7c4c923093cd0c146af9199e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:26:11,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:26:11,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:26:11,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:26:11,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:26:11,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:26:11,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:26:11,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:26:11,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:26:11,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:26:11,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:26:11,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:26:11,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:26:11,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:26:11,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:26:11,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:26:11,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:26:11,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:26:11,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:26:11,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:26:11,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:26:11,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:26:11,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:26:11,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:26:11,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:26:11,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:26:11,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:26:11,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:26:11,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:26:11,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:26:11,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:26:11,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:26:11,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:26:11,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:26:11,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:26:11,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:26:11,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:26:11,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:26:11,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:26:11,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:26:11,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:26:11,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:26:11,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:26:11,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:26:11,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:26:11,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:26:11,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:26:11,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:26:11,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:26:11,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:26:11,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:26:11,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:26:11,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:26:11,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:26:11,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:26:11,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:26:11,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:26:11,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:26:11,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:26:11,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:26:11,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:26:11,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:26:11,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:26:11,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:26:11,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:26:11,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:26:11,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:26:11,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:26:11,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:26:11,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:26:11,253 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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2019-11-25 22:26:11,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:26:11,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:26:11,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:26:11,876 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:26:11,878 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:26:11,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-25 22:26:12,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b2a17c4/81a8362cf2214cc2bf2e2bcf1f718312/FLAG1067886f1 [2019-11-25 22:26:13,158 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:26:13,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-25 22:26:13,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b2a17c4/81a8362cf2214cc2bf2e2bcf1f718312/FLAG1067886f1 [2019-11-25 22:26:13,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07b2a17c4/81a8362cf2214cc2bf2e2bcf1f718312 [2019-11-25 22:26:13,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:26:13,247 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:26:13,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:13,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:26:13,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:26:13,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:13" (1/1) ... [2019-11-25 22:26:13,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:13, skipping insertion in model container [2019-11-25 22:26:13,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:13" (1/1) ... [2019-11-25 22:26:13,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:26:13,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:26:14,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:14,429 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:26:14,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:14,740 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:26:14,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14 WrapperNode [2019-11-25 22:26:14,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:14,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:14,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:26:14,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:26:14,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:14,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:14,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:14,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:26:14,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:26:14,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:26:14,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:14,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:15,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:15,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:15,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:15,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:15,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:14" (1/1) ... [2019-11-25 22:26:15,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:26:15,158 INFO L168 Benchmark]: Toolchain (without parser) took 1905.93 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 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:15,165 INFO L168 Benchmark]: CDTParser took 0.44 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 22:26:15,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1497.19 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 967.4 MB in the end (delta: 8.3 kB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:15,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.69 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:15,174 INFO L168 Benchmark]: Boogie Preprocessor took 180.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 956.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:15,185 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1497.19 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 967.4 MB in the end (delta: 8.3 kB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 220.69 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 961.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 956.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:26:18,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:26:19,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:26:19,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:26:19,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:26:19,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:26:19,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:26:19,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:26:19,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:26:19,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:26:19,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:26:19,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:26:19,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:26:19,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:26:19,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:26:19,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:26:19,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:26:19,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:26:19,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:26:19,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:26:19,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:26:19,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:26:19,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:26:19,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:26:19,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:26:19,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:26:19,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:26:19,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:26:19,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:26:19,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:26:19,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:26:19,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:26:19,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:26:19,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:26:19,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:26:19,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:26:19,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:26:19,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:26:19,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:26:19,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:26:19,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:26:19,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:26:19,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:26:19,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:26:19,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:26:19,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:26:19,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:26:19,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:26:19,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:26:19,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:26:19,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:26:19,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:26:19,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:26:19,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:26:19,223 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:26:19,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:26:19,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:26:19,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:26:19,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:26:19,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:26:19,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:26:19,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:26:19,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:26:19,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:26:19,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:26:19,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:26:19,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:26:19,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:26:19,229 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:26:19,231 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:26:19,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:26:19,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:26:19,233 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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2019-11-25 22:26:19,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:26:19,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:26:19,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:26:19,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:26:19,926 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:26:19,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-25 22:26:20,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cfd689b1/eda74ba5582c48d2a232bc7e1197fd0f/FLAG47184a555 [2019-11-25 22:26:21,332 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:26:21,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label21.c [2019-11-25 22:26:21,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cfd689b1/eda74ba5582c48d2a232bc7e1197fd0f/FLAG47184a555 [2019-11-25 22:26:21,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cfd689b1/eda74ba5582c48d2a232bc7e1197fd0f [2019-11-25 22:26:21,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:26:21,428 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:26:21,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:21,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:26:21,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:26:21,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:21" (1/1) ... [2019-11-25 22:26:21,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:21, skipping insertion in model container [2019-11-25 22:26:21,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:21" (1/1) ... [2019-11-25 22:26:21,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:26:21,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:26:22,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:22,678 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:26:22,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:26:23,004 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:26:23,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23 WrapperNode [2019-11-25 22:26:23,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:26:23,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:23,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:26:23,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:26:23,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:26:23,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:26:23,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:26:23,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:26:23,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:23" (1/1) ... [2019-11-25 22:26:23,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:26:23,381 INFO L168 Benchmark]: Toolchain (without parser) took 1955.14 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 950.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:23,391 INFO L168 Benchmark]: CDTParser took 0.39 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 22:26:23,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1578.64 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 962.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:23,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.22 ms. Allocated memory is still 1.0 GB. Free memory was 962.1 MB in the beginning and 956.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:23,401 INFO L168 Benchmark]: Boogie Preprocessor took 181.17 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 950.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:26:23,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1578.64 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 962.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.22 ms. Allocated memory is still 1.0 GB. Free memory was 962.1 MB in the beginning and 956.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.17 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 950.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...