./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label54.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 7013b5440d15c52781747fe18e114861ef321ee3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label54.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 7013b5440d15c52781747fe18e114861ef321ee3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:36,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:36,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:36,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:36,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:36,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:36,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:36,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:36,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:36,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:36,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:36,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:36,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:36,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:36,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:36,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:36,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:36,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:36,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:36,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:36,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:36,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:36,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:36,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:36,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:36,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:36,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:36,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:36,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:36,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:36,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:36,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:36,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:36,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:36,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:36,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:36,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:36,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:36,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:36,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:36,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:36,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:36,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:36,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:36,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:36,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:36,273 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:36,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:36,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:36,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:36,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:36,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:36,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:36,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:36,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:36,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:36,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:36,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:36,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:36,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:36,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:36,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:36,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:36,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:36,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:36,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:36,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:36,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:36,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:36,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:36,290 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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2019-11-27 09:21:36,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:36,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:36,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:36,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:36,916 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:36,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-27 09:21:37,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d33dc24/ac8fff952fe34b728fcd5aa72f2fa537/FLAGd85ce2ec7 [2019-11-27 09:21:38,385 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:38,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-27 09:21:38,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d33dc24/ac8fff952fe34b728fcd5aa72f2fa537/FLAGd85ce2ec7 [2019-11-27 09:21:38,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d33dc24/ac8fff952fe34b728fcd5aa72f2fa537 [2019-11-27 09:21:38,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:38,484 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:38,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:38,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:38,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:38,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:38" (1/1) ... [2019-11-27 09:21:38,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:38, skipping insertion in model container [2019-11-27 09:21:38,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:38" (1/1) ... [2019-11-27 09:21:38,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:38,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:39,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:39,686 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:39,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:40,001 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:40,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40 WrapperNode [2019-11-27 09:21:40,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:40,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:40,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:40,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:40,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:40,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:40,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:40,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:40,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:40" (1/1) ... [2019-11-27 09:21:40,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:40,379 INFO L168 Benchmark]: Toolchain (without parser) took 1888.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:40,382 INFO L168 Benchmark]: CDTParser took 0.45 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 09:21:40,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1515.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:40,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.06 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:40,397 INFO L168 Benchmark]: Boogie Preprocessor took 187.28 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:21:40,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 1515.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.06 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 187.28 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:21:44,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:44,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:44,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:44,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:44,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:44,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:44,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:44,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:44,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:44,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:44,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:44,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:44,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:44,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:44,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:44,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:44,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:44,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:44,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:44,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:44,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:44,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:44,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:44,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:44,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:44,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:44,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:44,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:44,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:44,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:44,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:44,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:44,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:44,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:44,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:44,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:44,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:44,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:44,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:44,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:44,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:44,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:44,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:44,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:44,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:44,488 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:44,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:44,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:44,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:44,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:44,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:44,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:44,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:44,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:44,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:44,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:44,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:44,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:44,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:44,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:44,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:44,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:44,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:44,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:44,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:44,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:44,503 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:44,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:44,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:44,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:44,505 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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2019-11-27 09:21:45,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:45,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:45,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:45,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:45,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:45,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-27 09:21:45,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ee03110/2d1c13c06b8245bf8ee8c0345f38d65f/FLAGc742bc9b1 [2019-11-27 09:21:46,586 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:46,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-11-27 09:21:46,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ee03110/2d1c13c06b8245bf8ee8c0345f38d65f/FLAGc742bc9b1 [2019-11-27 09:21:46,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ee03110/2d1c13c06b8245bf8ee8c0345f38d65f [2019-11-27 09:21:46,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:46,653 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:46,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:46,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:46,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:46,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:46" (1/1) ... [2019-11-27 09:21:46,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67918653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:46, skipping insertion in model container [2019-11-27 09:21:46,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:46" (1/1) ... [2019-11-27 09:21:46,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:46,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:47,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:47,758 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:48,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:48,135 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:48,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48 WrapperNode [2019-11-27 09:21:48,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:48,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:48,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:48,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:48,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:48,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:48,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:48,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:48,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:48" (1/1) ... [2019-11-27 09:21:48,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:48,562 INFO L168 Benchmark]: Toolchain (without parser) took 1904.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 955.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,563 INFO L168 Benchmark]: CDTParser took 1.81 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 09:21:48,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1481.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 244.65 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,572 INFO L168 Benchmark]: Boogie Preprocessor took 164.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:48,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81 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 1481.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 966.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 244.65 ms. Allocated memory is still 1.0 GB. Free memory was 966.5 MB in the beginning and 960.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 164.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 955.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...