./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test16.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 fa042b443dc45a7f1744078ac68f117b1cbe89b6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/ldv-regression/test16.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 fa042b443dc45a7f1744078ac68f117b1cbe89b6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:59,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:59,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:59,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:59,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:59,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:59,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:59,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:59,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:59,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:59,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:59,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:59,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:59,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:59,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:59,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:59,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:59,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:59,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:59,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:59,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:59,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:59,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:59,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:59,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:59,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:59,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:59,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:59,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:59,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:59,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:59,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:59,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:59,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:59,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:59,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:59,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:59,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:59,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:59,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:59,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:59,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:59,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:59,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:59,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:59,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:59,787 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:59,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:59,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:59,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:59,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:59,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:59,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:59,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:59,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:59,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:59,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:59,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:59,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:59,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:59,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:59,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:59,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:59,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:59,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:59,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:59,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:59,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:59,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:59,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:59,805 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 -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-27 09:49:00,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:00,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:00,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:00,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:00,429 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:00,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test16.c [2019-11-27 09:49:00,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455c466f2/94301a2d50be4e9b83e3b9536e6cf2f6/FLAGe17359224 [2019-11-27 09:49:01,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:01,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test16.c [2019-11-27 09:49:01,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455c466f2/94301a2d50be4e9b83e3b9536e6cf2f6/FLAGe17359224 [2019-11-27 09:49:01,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455c466f2/94301a2d50be4e9b83e3b9536e6cf2f6 [2019-11-27 09:49:01,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:01,625 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:01,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:01,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:01,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:01,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:01, skipping insertion in model container [2019-11-27 09:49:01,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:01" (1/1) ... [2019-11-27 09:49:01,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:01,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:02,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:02,179 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:02,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:02,266 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:02,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02 WrapperNode [2019-11-27 09:49:02,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:02,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:02,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:02,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:02,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:02,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:02,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:02,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:02,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:02" (1/1) ... [2019-11-27 09:49:02,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:02,512 INFO L168 Benchmark]: Toolchain (without parser) took 882.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:02,517 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. [2019-11-27 09:49:02,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.66 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.66 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,537 INFO L168 Benchmark]: Boogie Preprocessor took 46.80 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:02,549 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 644.66 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 184.66 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 46.80 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:06,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:06,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:06,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:06,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:06,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:06,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:06,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:06,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:06,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:06,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:06,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:06,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:06,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:06,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:06,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:06,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:06,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:06,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:06,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:06,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:06,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:06,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:06,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:06,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:06,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:06,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:06,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:06,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:06,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:06,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:06,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:06,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:06,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:06,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:06,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:06,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:06,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:06,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:06,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:06,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:06,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:06,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:06,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:06,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:06,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:06,847 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:06,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:06,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:06,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:06,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:06,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:06,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:06,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:06,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:06,852 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:06,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:06,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:06,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:06,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:06,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:06,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:06,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:06,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:06,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:06,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:06,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:06,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:06,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:06,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:06,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:06,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:06,865 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 -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-27 09:49:07,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:07,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:07,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:07,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:07,494 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:07,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test16.c [2019-11-27 09:49:07,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4d0fea1/ef98f94dcac74194bd5300a2f5fcf829/FLAGee63d5fbf [2019-11-27 09:49:08,734 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:08,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test16.c [2019-11-27 09:49:08,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4d0fea1/ef98f94dcac74194bd5300a2f5fcf829/FLAGee63d5fbf [2019-11-27 09:49:08,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4d0fea1/ef98f94dcac74194bd5300a2f5fcf829 [2019-11-27 09:49:08,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:08,800 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:08,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:08,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:08,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:08,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:08" (1/1) ... [2019-11-27 09:49:08,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:08, skipping insertion in model container [2019-11-27 09:49:08,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:08" (1/1) ... [2019-11-27 09:49:08,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:08,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:09,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:09,394 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:09,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:09,478 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:09,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09 WrapperNode [2019-11-27 09:49:09,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:09,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:09,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:09,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:09,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:09,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:09,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:09,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:09,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:09,759 INFO L168 Benchmark]: Toolchain (without parser) took 957.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:09,767 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:09,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.81 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:09,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.75 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:09,779 INFO L168 Benchmark]: Boogie Preprocessor took 87.89 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:09,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 677.81 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.75 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 997.0 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.89 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...