./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label42.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/Problem12_label42.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 344faefe9f3ad2b6264e5f27034791eb5cf69fce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/Problem12_label42.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 344faefe9f3ad2b6264e5f27034791eb5cf69fce .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:55:43,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:55:43,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:55:43,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:55:43,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:55:43,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:55:43,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:55:43,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:55:43,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:55:43,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:55:43,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:55:43,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:55:43,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:55:43,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:55:43,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:55:43,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:55:43,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:55:43,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:55:43,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:55:43,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:55:43,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:55:43,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:55:43,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:55:43,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:55:43,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:55:43,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:55:43,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:55:43,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:55:43,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:55:43,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:55:43,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:55:43,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:55:43,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:55:43,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:55:43,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:55:43,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:55:43,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:55:43,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:55:43,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:55:43,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:55:43,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:55:43,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:55:43,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:55:43,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:55:43,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:55:43,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:55:43,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:55:43,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:55:43,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:55:43,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:55:43,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:55:43,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:55:43,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:55:43,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:55:43,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:55:43,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:55:43,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:55:43,428 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:55:43,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:55:43,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:55:43,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:55:43,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:55:43,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:55:43,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:55:43,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:55:43,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:55:43,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:55:43,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:55:43,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:55:43,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:55:43,438 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 -> 344faefe9f3ad2b6264e5f27034791eb5cf69fce [2019-11-27 15:55:44,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:55:44,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:55:44,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:55:44,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:55:44,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:55:44,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label42.c [2019-11-27 15:55:44,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1293f64/c6aa86c85201460894e8465a057dae3b/FLAGfd0a14239 [2019-11-27 15:55:45,970 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:55:45,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label42.c [2019-11-27 15:55:46,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1293f64/c6aa86c85201460894e8465a057dae3b/FLAGfd0a14239 [2019-11-27 15:55:46,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1293f64/c6aa86c85201460894e8465a057dae3b [2019-11-27 15:55:46,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:55:46,108 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:55:46,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:55:46,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:55:46,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:55:46,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:55:46" (1/1) ... [2019-11-27 15:55:46,132 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 27.11 03:55:46, skipping insertion in model container [2019-11-27 15:55:46,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:55:46" (1/1) ... [2019-11-27 15:55:46,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:55:46,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:55:49,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:55:49,406 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:55:50,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:55:50,798 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:55:50,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50 WrapperNode [2019-11-27 15:55:50,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:55:50,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:55:50,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:55:50,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:55:50,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:50,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:51,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:55:51,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:55:51,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:55:51,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:55:51,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:51,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:51,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:51,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:52,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:52,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:52,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:50" (1/1) ... [2019-11-27 15:55:52,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:55:52,931 INFO L168 Benchmark]: Toolchain (without parser) took 6817.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 912.6 MB in the end (delta: 43.3 MB). Peak memory consumption was 322.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:55:52,934 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:55:52,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4692.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 820.9 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.2 MB. Max. memory is 12.5 GB. [2019-11-27 15:55:52,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 892.01 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 751.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 12.5 GB. [2019-11-27 15:55:52,944 INFO L168 Benchmark]: Boogie Preprocessor took 1224.99 ms. Allocated memory is still 1.0 GB. Free memory was 751.8 MB in the beginning and 912.6 MB in the end (delta: -160.8 MB). Peak memory consumption was 118.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:55:52,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 4692.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 820.9 MB in the end (delta: 135.1 MB). Peak memory consumption was 135.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 892.01 ms. Allocated memory is still 1.0 GB. Free memory was 820.9 MB in the beginning and 751.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1224.99 ms. Allocated memory is still 1.0 GB. Free memory was 751.8 MB in the beginning and 912.6 MB in the end (delta: -160.8 MB). Peak memory consumption was 118.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:55:56,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:55:56,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:55:56,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:55:56,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:55:56,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:55:56,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:55:56,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:55:56,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:55:56,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:55:56,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:55:56,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:55:56,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:55:56,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:55:56,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:55:56,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:55:56,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:55:56,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:55:56,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:55:57,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:55:57,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:55:57,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:55:57,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:55:57,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:55:57,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:55:57,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:55:57,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:55:57,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:55:57,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:55:57,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:55:57,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:55:57,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:55:57,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:55:57,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:55:57,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:55:57,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:55:57,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:55:57,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:55:57,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:55:57,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:55:57,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:55:57,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:55:57,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:55:57,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:55:57,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:55:57,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:55:57,127 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:55:57,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:55:57,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:55:57,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:55:57,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:55:57,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:55:57,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:55:57,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:55:57,136 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:55:57,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:55:57,138 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:55:57,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:55:57,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:55:57,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:55:57,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:55:57,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:55:57,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:55:57,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:55:57,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:55:57,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:55:57,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:55:57,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:55:57,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:55:57,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:55:57,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:55:57,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:55:57,152 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 -> 344faefe9f3ad2b6264e5f27034791eb5cf69fce [2019-11-27 15:55:57,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:55:57,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:55:57,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:55:57,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:55:57,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:55:57,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label42.c [2019-11-27 15:55:57,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1386cc2ad/a83d22c0a5184e9d952280d108b4dee2/FLAG3f1833196 [2019-11-27 15:55:59,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:55:59,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label42.c [2019-11-27 15:55:59,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1386cc2ad/a83d22c0a5184e9d952280d108b4dee2/FLAG3f1833196 [2019-11-27 15:55:59,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1386cc2ad/a83d22c0a5184e9d952280d108b4dee2 [2019-11-27 15:55:59,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:55:59,730 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:55:59,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:55:59,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:55:59,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:55:59,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:55:59" (1/1) ... [2019-11-27 15:55:59,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:55:59, skipping insertion in model container [2019-11-27 15:55:59,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:55:59" (1/1) ... [2019-11-27 15:55:59,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:56:00,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:56:03,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:03,310 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:56:04,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:56:05,072 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:56:05,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05 WrapperNode [2019-11-27 15:56:05,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:56:05,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:05,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:56:05,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:56:05,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:56:05,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:56:05,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:56:05,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:56:05,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:05,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:06,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:56:05" (1/1) ... [2019-11-27 15:56:06,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:56:06,501 INFO L168 Benchmark]: Toolchain (without parser) took 6767.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 940.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 286.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,502 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:56:06,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5342.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 775.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 594.40 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,512 INFO L168 Benchmark]: Boogie Preprocessor took 824.87 ms. Allocated memory is still 1.0 GB. Free memory was 740.5 MB in the beginning and 940.4 MB in the end (delta: -199.9 MB). Peak memory consumption was 76.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:56:06,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5342.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 775.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 594.40 ms. Allocated memory is still 1.0 GB. Free memory was 775.0 MB in the beginning and 740.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 824.87 ms. Allocated memory is still 1.0 GB. Free memory was 740.5 MB in the beginning and 940.4 MB in the end (delta: -199.9 MB). Peak memory consumption was 76.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...