./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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_label35.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 f6b5db140f0af5d4dbaefce619ea0ad631629d04 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_label35.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 f6b5db140f0af5d4dbaefce619ea0ad631629d04 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:43:09,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:09,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:10,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:10,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:10,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:10,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:10,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:10,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:10,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:10,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:10,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:10,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:10,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:10,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:10,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:10,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:10,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:10,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:10,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:10,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:10,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:10,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:10,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:10,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:10,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:10,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:10,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:10,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:10,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:10,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:10,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:10,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:10,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:10,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:10,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:10,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:10,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:10,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:10,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:10,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:10,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:43:10,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:10,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:10,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:10,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:10,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:10,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:10,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:10,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:43:10,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:10,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:10,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:10,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:10,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:10,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:10,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:10,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:10,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:10,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:10,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:10,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:10,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:10,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:10,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:10,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:10,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:10,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:43:10,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:43:10,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:10,234 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 -> f6b5db140f0af5d4dbaefce619ea0ad631629d04 [2019-11-27 15:43:10,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:10,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:10,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:10,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:10,835 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:10,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2019-11-27 15:43:10,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9d543a3/ba8aa299bee34b5e9b2d1dac109c078b/FLAG7bcaee793 [2019-11-27 15:43:12,339 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:12,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2019-11-27 15:43:12,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9d543a3/ba8aa299bee34b5e9b2d1dac109c078b/FLAG7bcaee793 [2019-11-27 15:43:12,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9d543a3/ba8aa299bee34b5e9b2d1dac109c078b [2019-11-27 15:43:12,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:12,431 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:12,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:12,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:12,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:12,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,455 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 27.11 03:43:12, skipping insertion in model container [2019-11-27 15:43:12,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:12" (1/1) ... [2019-11-27 15:43:12,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:12,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:13,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:13,698 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:13,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:14,026 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:14,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14 WrapperNode [2019-11-27 15:43:14,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:14,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:14,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:14,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:14,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:14,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:14,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:14,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:14,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:14" (1/1) ... [2019-11-27 15:43:14,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:14,466 INFO L168 Benchmark]: Toolchain (without parser) took 2032.22 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 968.1 MB in the end (delta: -6.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:14,467 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. [2019-11-27 15:43:14,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1598.36 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 973.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:14,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 222.67 ms. Allocated memory is still 1.0 GB. Free memory was 973.8 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:14,475 INFO L168 Benchmark]: Boogie Preprocessor took 200.53 ms. Allocated memory is still 1.0 GB. Free memory is still 968.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:43:14,486 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 1598.36 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 973.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 222.67 ms. Allocated memory is still 1.0 GB. Free memory was 973.8 MB in the beginning and 968.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 200.53 ms. Allocated memory is still 1.0 GB. Free memory is still 968.1 MB. There was no memory consumed. 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 0.1.24-509859d [2019-11-27 15:43:18,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:43:18,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:43:18,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:43:18,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:43:18,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:43:18,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:43:18,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:43:18,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:43:18,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:43:18,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:43:18,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:43:18,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:43:18,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:43:18,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:43:18,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:43:18,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:43:18,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:43:18,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:43:18,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:43:18,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:43:18,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:43:18,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:43:18,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:43:18,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:43:18,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:43:18,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:43:18,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:43:18,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:43:18,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:43:18,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:43:18,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:43:18,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:43:18,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:43:18,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:43:18,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:43:18,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:43:18,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:43:18,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:43:18,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:43:18,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:43:18,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:43:18,754 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:43:18,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:43:18,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:43:18,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:43:18,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:43:18,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:43:18,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:43:18,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:43:18,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:43:18,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:43:18,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:43:18,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:43:18,771 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:43:18,771 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:43:18,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:43:18,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:43:18,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:43:18,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:43:18,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:43:18,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:43:18,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:43:18,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:43:18,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:43:18,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:43:18,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:43:18,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:43:18,781 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:43:18,781 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:43:18,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:43:18,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:43:18,786 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 -> f6b5db140f0af5d4dbaefce619ea0ad631629d04 [2019-11-27 15:43:19,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:43:19,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:43:19,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:43:19,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:43:19,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:43:19,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2019-11-27 15:43:19,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d1bc2f5/59dc7a10f2a74f69995fa3eaf19d0e38/FLAG2e1c269d9 [2019-11-27 15:43:20,873 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:43:20,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label35.c [2019-11-27 15:43:20,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d1bc2f5/59dc7a10f2a74f69995fa3eaf19d0e38/FLAG2e1c269d9 [2019-11-27 15:43:20,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d1bc2f5/59dc7a10f2a74f69995fa3eaf19d0e38 [2019-11-27 15:43:20,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:43:20,962 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:43:20,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:20,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:43:20,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:43:20,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:20,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f04805a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:20, skipping insertion in model container [2019-11-27 15:43:20,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:43:20" (1/1) ... [2019-11-27 15:43:21,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:43:21,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:43:22,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:22,257 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:43:22,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:43:22,643 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:43:22,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22 WrapperNode [2019-11-27 15:43:22,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:43:22,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:22,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:43:22,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:43:22,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:22,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:22,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:43:22,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:43:22,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:43:22,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:43:22,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:22,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:22,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:22,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:22,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:23,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:23,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:43:22" (1/1) ... [2019-11-27 15:43:23,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:43:23,084 INFO L168 Benchmark]: Toolchain (without parser) took 2119.44 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 955.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:23,093 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-27 15:43:23,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1681.55 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:23,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.52 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:23,106 INFO L168 Benchmark]: Boogie Preprocessor took 222.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:43:23,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1681.55 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 966.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 194.52 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 222.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.1 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...