./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label18.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/Problem18_label18.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 4a07236ab6ebb010c6bc705803ec345abf51abd2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/Problem18_label18.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 4a07236ab6ebb010c6bc705803ec345abf51abd2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:51:05,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:05,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:05,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:05,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:05,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:05,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:05,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:05,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:05,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:05,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:05,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:05,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:05,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:05,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:05,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:05,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:05,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:05,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:05,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:05,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:05,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:05,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:05,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:05,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:05,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:05,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:05,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:05,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:05,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:05,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:05,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:05,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:05,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:05,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:05,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:05,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:05,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:05,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:05,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:05,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:05,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:51:05,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:05,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:05,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:05,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:05,560 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:05,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:05,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:05,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:51:05,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:05,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:05,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:05,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:05,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:05,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:05,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:05,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:05,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:05,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:05,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:05,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:05,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:05,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:05,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:05,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:05,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:05,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:51:05,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:51:05,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:05,577 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 -> 4a07236ab6ebb010c6bc705803ec345abf51abd2 [2019-11-26 16:51:06,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:06,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:06,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:06,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:06,240 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:06,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label18.c [2019-11-26 16:51:06,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc3462db/5c892ff34e794632998f560cece86d42/FLAG015aeb59d [2019-11-26 16:51:08,009 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:08,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label18.c [2019-11-26 16:51:08,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc3462db/5c892ff34e794632998f560cece86d42/FLAG015aeb59d [2019-11-26 16:51:08,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edc3462db/5c892ff34e794632998f560cece86d42 [2019-11-26 16:51:08,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:08,118 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:08,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:08,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:08,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:08,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:08" (1/1) ... [2019-11-26 16:51:08,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6711512d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:08, skipping insertion in model container [2019-11-26 16:51:08,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:08" (1/1) ... [2019-11-26 16:51:08,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:08,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:10,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:10,585 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:11,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:11,764 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:11,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11 WrapperNode [2019-11-26 16:51:11,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:11,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:11,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:11,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:11,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:11,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:12,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:12,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:12,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:12,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:11" (1/1) ... [2019-11-26 16:51:12,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:12,892 INFO L168 Benchmark]: Toolchain (without parser) took 4768.79 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 804.7 MB in the end (delta: 145.5 MB). Peak memory consumption was 145.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:12,893 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-26 16:51:12,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3646.15 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 873.5 MB in the end (delta: 76.7 MB). Peak memory consumption was 76.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:12,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.61 ms. Allocated memory is still 1.0 GB. Free memory was 873.5 MB in the beginning and 827.7 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:12,904 INFO L168 Benchmark]: Boogie Preprocessor took 572.19 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:12,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 3646.15 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 873.5 MB in the end (delta: 76.7 MB). Peak memory consumption was 76.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 541.61 ms. Allocated memory is still 1.0 GB. Free memory was 873.5 MB in the beginning and 827.7 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 572.19 ms. Allocated memory is still 1.0 GB. Free memory was 827.7 MB in the beginning and 804.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 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 16:51:16,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:16,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:16,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:16,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:16,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:16,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:16,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:16,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:16,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:16,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:16,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:16,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:16,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:16,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:16,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:16,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:16,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:16,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:16,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:16,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:16,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:16,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:16,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:16,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:16,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:16,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:16,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:16,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:16,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:16,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:16,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:16,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:16,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:16,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:16,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:16,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:16,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:16,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:16,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:16,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:16,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:51:16,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:16,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:16,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:16,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:16,984 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:16,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:16,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:16,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:16,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:16,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:16,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:16,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:16,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:51:16,990 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:51:16,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:16,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:16,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:16,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:16,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:16,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:16,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:16,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:16,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:16,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:16,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:16,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:16,996 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:51:16,997 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:51:16,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:16,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:51:17,001 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 -> 4a07236ab6ebb010c6bc705803ec345abf51abd2 [2019-11-26 16:51:17,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:17,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:17,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:17,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:17,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:17,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label18.c [2019-11-26 16:51:17,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457c4c98/d0618f7e7d67471aba7efa217dcdfd23/FLAGd835d95da [2019-11-26 16:51:19,358 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:19,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label18.c [2019-11-26 16:51:19,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457c4c98/d0618f7e7d67471aba7efa217dcdfd23/FLAGd835d95da [2019-11-26 16:51:19,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457c4c98/d0618f7e7d67471aba7efa217dcdfd23 [2019-11-26 16:51:19,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:19,486 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:19,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:19,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:19,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:19,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:19" (1/1) ... [2019-11-26 16:51:19,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9841a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:19, skipping insertion in model container [2019-11-26 16:51:19,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:19" (1/1) ... [2019-11-26 16:51:19,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:19,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:22,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:22,265 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:23,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:23,760 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:23,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23 WrapperNode [2019-11-26 16:51:23,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:23,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:23,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:23,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:23,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:23,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:24,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:24,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:24,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:24,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:23" (1/1) ... [2019-11-26 16:51:24,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:24,669 INFO L168 Benchmark]: Toolchain (without parser) took 5180.44 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 809.2 MB in the end (delta: 141.0 MB). Peak memory consumption was 141.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:24,670 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-26 16:51:24,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4273.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 855.0 MB in the end (delta: 95.2 MB). Peak memory consumption was 95.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:24,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 496.54 ms. Allocated memory is still 1.0 GB. Free memory was 855.0 MB in the beginning and 832.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:24,682 INFO L168 Benchmark]: Boogie Preprocessor took 397.96 ms. Allocated memory is still 1.0 GB. Free memory was 832.1 MB in the beginning and 809.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:24,691 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 4273.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 855.0 MB in the end (delta: 95.2 MB). Peak memory consumption was 95.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 496.54 ms. Allocated memory is still 1.0 GB. Free memory was 855.0 MB in the beginning and 832.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 397.96 ms. Allocated memory is still 1.0 GB. Free memory was 832.1 MB in the beginning and 809.2 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...