./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem18_label16.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_label16.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 806176593d35bd6838214f31b8b240266cbb741f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_label16.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 806176593d35bd6838214f31b8b240266cbb741f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:51:03,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:03,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:03,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:03,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:03,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:03,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:03,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:03,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:03,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:03,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:03,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:03,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:03,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:03,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:03,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:03,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:03,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:03,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:03,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:03,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:03,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:03,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:03,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:03,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:03,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:03,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:03,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:03,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:03,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:03,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:03,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:03,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:03,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:03,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:03,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:03,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:03,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:03,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:03,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:03,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:03,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:51:03,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:03,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:03,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:03,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:03,694 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:03,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:03,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:03,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:51:03,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:03,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:03,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:03,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:03,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:03,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:03,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:03,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:03,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:03,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:03,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:03,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:03,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:03,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:03,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:03,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:03,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:03,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:51:03,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:51:03,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:03,709 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 -> 806176593d35bd6838214f31b8b240266cbb741f [2019-11-26 16:51:04,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:04,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:04,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:04,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:04,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:04,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2019-11-26 16:51:04,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b8a5e6f/85c264f079f747a0ac3b765a2cc2556d/FLAG3287366b8 [2019-11-26 16:51:06,049 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:06,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2019-11-26 16:51:06,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b8a5e6f/85c264f079f747a0ac3b765a2cc2556d/FLAG3287366b8 [2019-11-26 16:51:06,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b8a5e6f/85c264f079f747a0ac3b765a2cc2556d [2019-11-26 16:51:06,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:06,251 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:06,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:06,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:06,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:06,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:06" (1/1) ... [2019-11-26 16:51:06,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb698ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:06, skipping insertion in model container [2019-11-26 16:51:06,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:06" (1/1) ... [2019-11-26 16:51:06,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:06,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:08,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:08,807 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:09,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:09,937 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:09,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09 WrapperNode [2019-11-26 16:51:09,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:09,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:09,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:09,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:09,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:10,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:10,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:10,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:10,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:09" (1/1) ... [2019-11-26 16:51:10,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:10,990 INFO L168 Benchmark]: Toolchain (without parser) took 4731.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 799.3 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:10,991 INFO L168 Benchmark]: CDTParser took 1.53 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 16:51:10,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3691.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 868.0 MB in the end (delta: 87.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:10,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 557.12 ms. Allocated memory is still 1.0 GB. Free memory was 868.0 MB in the beginning and 827.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:11,003 INFO L168 Benchmark]: Boogie Preprocessor took 477.66 ms. Allocated memory is still 1.0 GB. Free memory was 827.9 MB in the beginning and 799.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:11,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 3691.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 868.0 MB in the end (delta: 87.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 557.12 ms. Allocated memory is still 1.0 GB. Free memory was 868.0 MB in the beginning and 827.9 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 477.66 ms. Allocated memory is still 1.0 GB. Free memory was 827.9 MB in the beginning and 799.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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 16:51:14,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:51:14,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:51:14,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:51:14,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:51:14,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:51:14,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:51:14,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:51:14,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:51:14,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:51:14,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:51:14,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:51:14,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:51:14,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:51:14,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:51:14,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:51:14,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:51:14,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:51:14,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:51:14,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:51:14,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:51:14,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:51:14,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:51:14,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:51:14,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:51:14,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:51:14,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:51:14,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:51:14,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:51:14,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:51:14,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:51:14,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:51:14,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:51:14,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:51:14,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:51:14,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:51:14,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:51:14,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:51:14,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:51:14,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:51:14,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:51:14,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:51:15,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:51:15,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:51:15,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:51:15,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:51:15,020 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:51:15,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:51:15,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:51:15,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:51:15,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:51:15,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:51:15,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:51:15,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:51:15,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:51:15,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:51:15,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:51:15,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:51:15,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:51:15,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:51:15,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:51:15,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:51:15,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:51:15,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:51:15,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:51:15,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:51:15,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:51:15,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:51:15,033 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:51:15,034 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:51:15,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:51:15,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:51:15,038 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 -> 806176593d35bd6838214f31b8b240266cbb741f [2019-11-26 16:51:15,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:51:15,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:51:15,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:51:15,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:51:15,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:51:15,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2019-11-26 16:51:15,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a19e0687/0ab4457adcd54df4969e9abe80f553d7/FLAG73ae722a8 [2019-11-26 16:51:17,341 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:51:17,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2019-11-26 16:51:17,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a19e0687/0ab4457adcd54df4969e9abe80f553d7/FLAG73ae722a8 [2019-11-26 16:51:17,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a19e0687/0ab4457adcd54df4969e9abe80f553d7 [2019-11-26 16:51:17,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:51:17,463 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:51:17,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:17,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:51:17,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:51:17,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:17" (1/1) ... [2019-11-26 16:51:17,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:17, skipping insertion in model container [2019-11-26 16:51:17,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:51:17" (1/1) ... [2019-11-26 16:51:17,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:51:17,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:51:20,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:20,455 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:51:21,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:51:21,770 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:51:21,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21 WrapperNode [2019-11-26 16:51:21,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:51:21,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:21,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:51:21,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:51:21,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:21,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:51:22,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:51:22,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:51:22,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:51:22,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:51:21" (1/1) ... [2019-11-26 16:51:22,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:51:22,667 INFO L168 Benchmark]: Toolchain (without parser) took 5200.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 799.3 MB in the end (delta: 149.5 MB). Peak memory consumption was 149.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:22,667 INFO L168 Benchmark]: CDTParser took 3.11 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 16:51:22,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4303.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 845.1 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:22,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 482.03 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:22,677 INFO L168 Benchmark]: Boogie Preprocessor took 403.05 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:51:22,688 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 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 4303.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 845.1 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 482.03 ms. Allocated memory is still 1.0 GB. Free memory was 845.1 MB in the beginning and 816.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 403.05 ms. Allocated memory is still 1.0 GB. Free memory was 816.5 MB in the beginning and 799.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...