./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_label52.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 a8bea26189092fbe95e536558402b40a88312d08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_label52.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 a8bea26189092fbe95e536558402b40a88312d08 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:35:49,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:35:49,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:35:49,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:35:49,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:35:49,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:35:49,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:35:49,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:35:49,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:35:49,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:35:49,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:35:49,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:35:49,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:35:49,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:35:49,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:35:49,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:35:49,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:35:49,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:35:49,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:35:49,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:35:49,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:35:49,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:35:49,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:35:49,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:35:49,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:35:49,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:35:49,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:35:49,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:35:49,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:35:49,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:35:49,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:35:49,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:35:49,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:35:49,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:35:49,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:35:49,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:35:49,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:35:49,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:35:49,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:35:49,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:35:49,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:35:49,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:35:49,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:35:49,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:35:49,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:35:49,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:35:49,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:35:49,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:35:49,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:35:49,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:35:49,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:35:49,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:35:49,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:35:49,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:35:49,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:35:49,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:35:49,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:35:49,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:35:49,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:35:49,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:35:49,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:35:49,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:35:49,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:35:49,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:35:49,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:35:49,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:35:49,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:35:49,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:35:49,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:35:49,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:35:49,435 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 -> a8bea26189092fbe95e536558402b40a88312d08 [2019-11-26 16:35:50,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:35:50,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:35:50,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:35:50,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:35:50,147 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:35:50,148 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-26 16:35:50,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d94647f9/b7cb83510c004c5eb3b42de72410c225/FLAGe6eea4902 [2019-11-26 16:35:51,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:35:51,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-26 16:35:52,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d94647f9/b7cb83510c004c5eb3b42de72410c225/FLAGe6eea4902 [2019-11-26 16:35:52,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d94647f9/b7cb83510c004c5eb3b42de72410c225 [2019-11-26 16:35:52,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:35:52,059 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:35:52,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:35:52,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:35:52,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:35:52,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:35:52" (1/1) ... [2019-11-26 16:35:52,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6135e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:52, skipping insertion in model container [2019-11-26 16:35:52,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:35:52" (1/1) ... [2019-11-26 16:35:52,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:35:52,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:35:55,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:35:55,428 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:35:57,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:35:57,107 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:35:57,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57 WrapperNode [2019-11-26 16:35:57,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:35:57,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:35:57,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:35:57,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:35:57,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:35:57,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:35:57,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:35:57,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:35:57,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:57,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:58,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:35:57" (1/1) ... [2019-11-26 16:35:58,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:35:58,099 INFO L168 Benchmark]: Toolchain (without parser) took 6031.37 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 750.9 MB in the end (delta: 199.3 MB). Peak memory consumption was 199.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:58,100 INFO L168 Benchmark]: CDTParser took 3.54 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. [2019-11-26 16:35:58,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5047.04 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 814.5 MB in the end (delta: 135.7 MB). Peak memory consumption was 135.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:58,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 523.06 ms. Allocated memory is still 1.0 GB. Free memory was 814.5 MB in the beginning and 780.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:58,109 INFO L168 Benchmark]: Boogie Preprocessor took 452.27 ms. Allocated memory is still 1.0 GB. Free memory was 780.1 MB in the beginning and 750.9 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:35:58,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.54 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 5047.04 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 814.5 MB in the end (delta: 135.7 MB). Peak memory consumption was 135.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 523.06 ms. Allocated memory is still 1.0 GB. Free memory was 814.5 MB in the beginning and 780.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 452.27 ms. Allocated memory is still 1.0 GB. Free memory was 780.1 MB in the beginning and 750.9 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 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 0.1.24-025d5a2 [2019-11-26 16:36:02,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:36:02,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:36:02,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:36:02,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:36:02,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:36:02,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:36:02,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:36:02,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:36:02,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:36:02,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:36:02,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:36:02,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:36:02,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:36:02,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:36:02,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:36:02,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:36:02,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:36:02,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:36:02,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:36:02,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:36:02,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:36:02,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:36:02,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:36:02,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:36:02,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:36:02,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:36:02,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:36:02,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:36:02,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:36:02,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:36:02,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:36:02,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:36:02,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:36:02,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:36:02,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:36:02,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:36:02,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:36:02,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:36:02,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:36:02,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:36:02,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:36:02,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:36:02,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:36:02,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:36:02,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:36:02,490 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:36:02,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:36:02,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:36:02,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:36:02,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:36:02,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:36:02,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:36:02,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:36:02,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:36:02,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:36:02,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:36:02,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:36:02,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:36:02,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:36:02,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:36:02,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:36:02,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:36:02,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:36:02,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:36:02,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:36:02,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:36:02,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:36:02,503 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:36:02,504 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:36:02,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:36:02,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:36:02,509 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 -> a8bea26189092fbe95e536558402b40a88312d08 [2019-11-26 16:36:03,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:36:03,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:36:03,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:36:03,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:36:03,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:36:03,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-26 16:36:03,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc221fcc/5f84f2dbee8e447e8897bf365b0291a9/FLAGcfe96f5ea [2019-11-26 16:36:04,842 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:36:04,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2019-11-26 16:36:04,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc221fcc/5f84f2dbee8e447e8897bf365b0291a9/FLAGcfe96f5ea [2019-11-26 16:36:05,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc221fcc/5f84f2dbee8e447e8897bf365b0291a9 [2019-11-26 16:36:05,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:36:05,445 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:36:05,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:36:05,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:36:05,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:36:05,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:36:05" (1/1) ... [2019-11-26 16:36:05,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46807bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:05, skipping insertion in model container [2019-11-26 16:36:05,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:36:05" (1/1) ... [2019-11-26 16:36:05,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:36:05,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:36:08,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:36:08,965 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:36:10,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:36:10,651 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:36:10,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10 WrapperNode [2019-11-26 16:36:10,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:36:10,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:36:10,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:36:10,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:36:10,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:10,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:36:11,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:36:11,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:36:11,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:36:11,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:36:10" (1/1) ... [2019-11-26 16:36:11,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:36:11,707 INFO L168 Benchmark]: Toolchain (without parser) took 6252.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.6 MB in the beginning and 747.5 MB in the end (delta: 204.1 MB). Peak memory consumption was 204.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:11,708 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-26 16:36:11,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5206.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.6 MB in the beginning and 822.0 MB in the end (delta: 129.6 MB). Peak memory consumption was 129.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:11,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 513.80 ms. Allocated memory is still 1.0 GB. Free memory was 822.0 MB in the beginning and 781.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:11,718 INFO L168 Benchmark]: Boogie Preprocessor took 523.72 ms. Allocated memory is still 1.0 GB. Free memory was 781.9 MB in the beginning and 747.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:36:11,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 5206.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.6 MB in the beginning and 822.0 MB in the end (delta: 129.6 MB). Peak memory consumption was 129.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 513.80 ms. Allocated memory is still 1.0 GB. Free memory was 822.0 MB in the beginning and 781.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 523.72 ms. Allocated memory is still 1.0 GB. Free memory was 781.9 MB in the beginning and 747.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...