./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label20.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/Problem04_label20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc2c51f4e9902cbc2376026446121bf9125fd09a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/Problem04_label20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc2c51f4e9902cbc2376026446121bf9125fd09a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:41:16,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:41:16,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:41:16,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:41:16,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:41:16,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:41:16,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:41:16,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:41:16,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:41:16,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:41:16,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:41:16,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:41:16,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:41:16,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:41:16,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:41:16,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:41:16,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:41:16,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:41:16,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:41:16,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:41:16,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:41:16,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:41:16,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:41:16,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:41:16,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:41:16,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:41:16,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:41:16,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:41:16,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:41:16,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:41:16,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:41:16,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:41:16,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:41:16,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:41:16,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:41:16,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:41:16,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:41:16,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:41:16,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:41:16,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:41:16,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:41:16,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:41:16,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:41:16,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:41:16,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:41:16,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:41:16,296 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:41:16,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:41:16,297 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:41:16,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:41:16,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:41:16,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:41:16,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:41:16,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:41:16,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:41:16,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:41:16,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:41:16,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:41:16,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:41:16,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:41:16,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:41:16,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:41:16,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:41:16,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:41:16,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:41:16,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:41:16,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:41:16,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:41:16,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:41:16,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:41:16,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:41:16,312 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 -> cc2c51f4e9902cbc2376026446121bf9125fd09a [2019-11-24 20:41:16,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:41:16,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:41:16,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:41:16,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:41:16,954 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:41:16,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label20.c [2019-11-24 20:41:17,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e69be717/9dc0b5033cc848afa0f9eb794a8ffe54/FLAG9f61aa2ec [2019-11-24 20:41:18,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:41:18,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label20.c [2019-11-24 20:41:18,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e69be717/9dc0b5033cc848afa0f9eb794a8ffe54/FLAG9f61aa2ec [2019-11-24 20:41:18,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e69be717/9dc0b5033cc848afa0f9eb794a8ffe54 [2019-11-24 20:41:18,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:41:18,861 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:41:18,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:18,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:41:18,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:41:18,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:18" (1/1) ... [2019-11-24 20:41:18,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:18, skipping insertion in model container [2019-11-24 20:41:18,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:18" (1/1) ... [2019-11-24 20:41:18,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:41:19,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:41:22,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:22,250 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:41:23,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:23,775 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:41:23,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23 WrapperNode [2019-11-24 20:41:23,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:23,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:23,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:41:23,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:41:23,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:23,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:24,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:41:24,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:41:24,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:41:24,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:23" (1/1) ... [2019-11-24 20:41:24,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:41:24,782 INFO L168 Benchmark]: Toolchain (without parser) took 5914.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 751.4 MB in the end (delta: 193.1 MB). Peak memory consumption was 193.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:24,783 INFO L168 Benchmark]: CDTParser took 0.99 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 20:41:24,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4913.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.2 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:24,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 527.48 ms. Allocated memory is still 1.0 GB. Free memory was 820.2 MB in the beginning and 780.1 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:24,794 INFO L168 Benchmark]: Boogie Preprocessor took 464.05 ms. Allocated memory is still 1.0 GB. Free memory was 780.1 MB in the beginning and 751.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:24,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 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 4913.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.2 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 527.48 ms. Allocated memory is still 1.0 GB. Free memory was 820.2 MB in the beginning and 780.1 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 464.05 ms. Allocated memory is still 1.0 GB. Free memory was 780.1 MB in the beginning and 751.4 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 20:41:28,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:41:28,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:41:28,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:41:28,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:41:28,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:41:28,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:41:28,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:41:28,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:41:28,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:41:28,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:41:28,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:41:28,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:41:28,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:41:28,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:41:28,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:41:28,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:41:28,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:41:28,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:41:28,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:41:28,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:41:28,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:41:28,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:41:28,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:41:28,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:41:28,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:41:28,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:41:28,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:41:28,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:41:28,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:41:28,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:41:28,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:41:28,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:41:28,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:41:28,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:41:28,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:41:28,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:41:28,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:41:28,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:41:28,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:41:28,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:41:28,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:41:28,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:41:28,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:41:28,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:41:28,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:41:28,805 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:41:28,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:41:28,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:41:28,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:41:28,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:41:28,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:41:28,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:41:28,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:41:28,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:41:28,811 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:41:28,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:41:28,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:41:28,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:41:28,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:41:28,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:41:28,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:41:28,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:41:28,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:41:28,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:41:28,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:41:28,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:41:28,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:41:28,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:41:28,819 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:41:28,822 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:41:28,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:41:28,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:41:28,824 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 -> cc2c51f4e9902cbc2376026446121bf9125fd09a [2019-11-24 20:41:29,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:41:29,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:41:29,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:41:29,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:41:29,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:41:29,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label20.c [2019-11-24 20:41:29,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6820c2e5/521cbada42d34d4bb3b81a1539b0c834/FLAG4b23ae9cb [2019-11-24 20:41:31,267 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:41:31,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label20.c [2019-11-24 20:41:31,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6820c2e5/521cbada42d34d4bb3b81a1539b0c834/FLAG4b23ae9cb [2019-11-24 20:41:31,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6820c2e5/521cbada42d34d4bb3b81a1539b0c834 [2019-11-24 20:41:31,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:41:31,405 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:41:31,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:31,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:41:31,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:41:31,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:31" (1/1) ... [2019-11-24 20:41:31,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:31, skipping insertion in model container [2019-11-24 20:41:31,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:41:31" (1/1) ... [2019-11-24 20:41:31,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:41:31,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:41:34,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:34,754 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:41:36,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:41:36,425 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:41:36,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36 WrapperNode [2019-11-24 20:41:36,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:41:36,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:36,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:41:36,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:41:36,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:36,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:41:37,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:41:37,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:41:37,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:41:37,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:41:36" (1/1) ... [2019-11-24 20:41:37,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:41:37,733 INFO L168 Benchmark]: Toolchain (without parser) took 6322.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 734.5 MB in the end (delta: 210.0 MB). Peak memory consumption was 210.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:37,737 INFO L168 Benchmark]: CDTParser took 2.97 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 20:41:37,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5022.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 803.3 MB in the end (delta: 141.2 MB). Peak memory consumption was 141.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:37,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 611.49 ms. Allocated memory is still 1.0 GB. Free memory was 803.3 MB in the beginning and 763.1 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:37,746 INFO L168 Benchmark]: Boogie Preprocessor took 680.46 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 734.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:41:37,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.97 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 5022.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 803.3 MB in the end (delta: 141.2 MB). Peak memory consumption was 141.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 611.49 ms. Allocated memory is still 1.0 GB. Free memory was 803.3 MB in the beginning and 763.1 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 680.46 ms. Allocated memory is still 1.0 GB. Free memory was 763.1 MB in the beginning and 734.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...