./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label04.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/Problem04_label04.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 a254cd15de17a9042497279ebec3a4c3fe103520 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_label04.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 a254cd15de17a9042497279ebec3a4c3fe103520 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:44:04,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:44:04,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:44:05,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:44:05,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:44:05,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:44:05,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:44:05,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:44:05,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:44:05,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:44:05,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:44:05,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:44:05,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:44:05,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:44:05,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:44:05,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:44:05,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:44:05,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:44:05,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:44:05,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:44:05,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:44:05,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:44:05,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:44:05,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:44:05,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:44:05,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:44:05,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:44:05,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:44:05,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:44:05,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:44:05,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:44:05,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:44:05,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:44:05,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:44:05,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:44:05,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:44:05,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:44:05,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:44:05,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:44:05,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:44:05,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:44:05,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:44:05,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:44:05,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:44:05,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:44:05,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:44:05,162 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:44:05,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:44:05,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:44:05,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:44:05,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:44:05,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:44:05,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:44:05,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:44:05,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:44:05,167 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:44:05,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:44:05,167 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:44:05,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:44:05,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:44:05,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:44:05,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:44:05,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:44:05,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:44:05,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:44:05,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:44:05,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:44:05,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:44:05,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:44:05,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:44:05,172 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 -> a254cd15de17a9042497279ebec3a4c3fe103520 [2019-11-27 15:44:05,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:44:05,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:44:05,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:44:05,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:44:05,693 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:44:05,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2019-11-27 15:44:05,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9984acf/faef7d9467b84a0899e4b44c8b4c1e8e/FLAGd90c06890 [2019-11-27 15:44:06,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:44:06,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2019-11-27 15:44:06,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9984acf/faef7d9467b84a0899e4b44c8b4c1e8e/FLAGd90c06890 [2019-11-27 15:44:07,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9984acf/faef7d9467b84a0899e4b44c8b4c1e8e [2019-11-27 15:44:07,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:44:07,333 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:44:07,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:44:07,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:44:07,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:44:07,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:44:07" (1/1) ... [2019-11-27 15:44:07,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b35a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:07, skipping insertion in model container [2019-11-27 15:44:07,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:44:07" (1/1) ... [2019-11-27 15:44:07,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:44:07,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:44:09,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:44:09,493 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:44:10,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:44:10,590 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:44:10,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10 WrapperNode [2019-11-27 15:44:10,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:44:10,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:44:10,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:44:10,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:44:10,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:10,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:10,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:44:10,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:44:10,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:44:10,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:44:10,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:10,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:11,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:11,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:11,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:11,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:11,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:10" (1/1) ... [2019-11-27 15:44:11,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:44:11,360 INFO L168 Benchmark]: Toolchain (without parser) took 4023.11 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 751.3 MB in the end (delta: 193.2 MB). Peak memory consumption was 193.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:11,361 INFO L168 Benchmark]: CDTParser took 0.24 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 15:44:11,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3257.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.4 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:11,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 335.89 ms. Allocated memory is still 1.0 GB. Free memory was 820.4 MB in the beginning and 780.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:11,369 INFO L168 Benchmark]: Boogie Preprocessor took 420.20 ms. Allocated memory is still 1.0 GB. Free memory was 780.3 MB in the beginning and 751.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:11,381 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3257.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 820.4 MB in the end (delta: 124.1 MB). Peak memory consumption was 124.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 335.89 ms. Allocated memory is still 1.0 GB. Free memory was 820.4 MB in the beginning and 780.3 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 420.20 ms. Allocated memory is still 1.0 GB. Free memory was 780.3 MB in the beginning and 751.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 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 0.1.24-509859d [2019-11-27 15:44:14,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:44:14,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:44:14,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:44:14,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:44:14,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:44:14,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:44:14,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:44:14,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:44:14,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:44:14,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:44:14,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:44:14,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:44:14,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:44:14,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:44:14,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:44:14,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:44:14,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:44:14,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:44:14,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:44:14,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:44:14,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:44:14,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:44:14,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:44:14,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:44:14,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:44:14,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:44:14,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:44:14,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:44:14,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:44:14,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:44:14,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:44:14,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:44:14,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:44:14,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:44:14,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:44:14,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:44:14,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:44:14,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:44:14,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:44:14,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:44:14,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:44:14,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:44:14,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:44:14,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:44:14,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:44:14,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:44:14,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:44:14,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:44:14,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:44:14,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:44:14,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:44:14,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:44:14,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:44:14,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:44:14,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:44:14,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:44:14,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:44:14,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:44:14,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:44:14,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:44:14,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:44:14,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:44:14,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:44:14,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:44:14,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:44:14,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:44:14,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:44:14,266 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:44:14,266 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:44:14,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:44:14,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:44:14,268 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 -> a254cd15de17a9042497279ebec3a4c3fe103520 [2019-11-27 15:44:14,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:44:14,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:44:14,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:44:14,767 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:44:14,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:44:14,772 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2019-11-27 15:44:14,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1bb13a6/45fcee844f3648ee8c03468eee08e1c1/FLAG275f4d1d3 [2019-11-27 15:44:16,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:44:16,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2019-11-27 15:44:16,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1bb13a6/45fcee844f3648ee8c03468eee08e1c1/FLAG275f4d1d3 [2019-11-27 15:44:16,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1bb13a6/45fcee844f3648ee8c03468eee08e1c1 [2019-11-27 15:44:16,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:44:16,419 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:44:16,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:44:16,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:44:16,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:44:16,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:44:16" (1/1) ... [2019-11-27 15:44:16,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ceac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:16, skipping insertion in model container [2019-11-27 15:44:16,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:44:16" (1/1) ... [2019-11-27 15:44:16,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:44:16,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:44:18,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:44:18,655 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:44:19,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:44:19,760 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:44:19,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19 WrapperNode [2019-11-27 15:44:19,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:44:19,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:44:19,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:44:19,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:44:19,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:19,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:44:20,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:44:20,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:44:20,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:44:20,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:44:19" (1/1) ... [2019-11-27 15:44:20,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:44:20,474 INFO L168 Benchmark]: Toolchain (without parser) took 4048.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 732.8 MB in the end (delta: 210.2 MB). Peak memory consumption was 210.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:20,475 INFO L168 Benchmark]: CDTParser took 0.34 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 15:44:20,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3340.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 796.1 MB in the end (delta: 146.9 MB). Peak memory consumption was 147.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:20,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 345.97 ms. Allocated memory is still 1.0 GB. Free memory was 796.1 MB in the beginning and 761.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:20,481 INFO L168 Benchmark]: Boogie Preprocessor took 356.79 ms. Allocated memory is still 1.0 GB. Free memory was 761.8 MB in the beginning and 732.8 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:44:20,490 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 3340.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 796.1 MB in the end (delta: 146.9 MB). Peak memory consumption was 147.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 345.97 ms. Allocated memory is still 1.0 GB. Free memory was 796.1 MB in the beginning and 761.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 356.79 ms. Allocated memory is still 1.0 GB. Free memory was 761.8 MB in the beginning and 732.8 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...