./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/seq-mthreaded/rekcba_nxt.1.M1-1.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 51d87f265f39789c01cf852e282d720868caa035 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/seq-mthreaded/rekcba_nxt.1.M1-1.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 51d87f265f39789c01cf852e282d720868caa035 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:07:11,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:07:11,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:07:11,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:07:11,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:07:11,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:07:11,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:07:11,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:07:11,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:07:11,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:07:11,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:07:11,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:07:11,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:07:11,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:07:11,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:07:11,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:07:11,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:07:11,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:07:11,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:07:11,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:07:11,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:07:11,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:07:11,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:07:11,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:07:11,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:07:11,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:07:11,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:07:11,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:07:11,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:07:11,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:07:11,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:07:11,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:07:11,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:07:11,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:07:11,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:07:11,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:07:11,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:07:11,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:07:11,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:07:11,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:07:11,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:07:11,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:07:11,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:07:11,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:07:11,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:07:11,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:07:11,801 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:07:11,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:07:11,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:07:11,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:07:11,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:07:11,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:07:11,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:07:11,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:07:11,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:07:11,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:07:11,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:07:11,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:07:11,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:07:11,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:07:11,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:07:11,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:07:11,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:07:11,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:07:11,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:07:11,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:07:11,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:07:11,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:07:11,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:07:11,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:07:11,813 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 -> 51d87f265f39789c01cf852e282d720868caa035 [2019-11-25 23:07:12,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:07:12,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:07:12,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:07:12,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:07:12,282 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:07:12,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2019-11-25 23:07:12,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7a52e6e/d13d87f46fd14701878ff4cc2cac9912/FLAG98d5ca823 [2019-11-25 23:07:13,320 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:07:13,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2019-11-25 23:07:13,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7a52e6e/d13d87f46fd14701878ff4cc2cac9912/FLAG98d5ca823 [2019-11-25 23:07:13,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7a52e6e/d13d87f46fd14701878ff4cc2cac9912 [2019-11-25 23:07:13,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:07:13,416 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:07:13,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:13,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:07:13,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:07:13,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:13" (1/1) ... [2019-11-25 23:07:13,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:13, skipping insertion in model container [2019-11-25 23:07:13,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:13" (1/1) ... [2019-11-25 23:07:13,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:07:13,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:07:14,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:14,627 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:07:14,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:14,998 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:07:14,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14 WrapperNode [2019-11-25 23:07:15,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:15,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:15,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:07:15,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:07:15,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:15,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:15,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:15,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:07:15,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:07:15,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:07:15,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:15,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:15,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:15,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:16,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:16,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:16,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:14" (1/1) ... [2019-11-25 23:07:16,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:07:16,664 INFO L168 Benchmark]: Toolchain (without parser) took 3243.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 778.4 MB in the end (delta: 181.9 MB). Peak memory consumption was 181.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:16,666 INFO L168 Benchmark]: CDTParser took 0.91 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. [2019-11-25 23:07:16,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1577.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 939.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:16,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 729.73 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 853.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:16,673 INFO L168 Benchmark]: Boogie Preprocessor took 926.09 ms. Allocated memory is still 1.0 GB. Free memory was 853.2 MB in the beginning and 778.4 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:16,680 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 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 1577.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 939.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 729.73 ms. Allocated memory is still 1.0 GB. Free memory was 939.1 MB in the beginning and 853.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 926.09 ms. Allocated memory is still 1.0 GB. Free memory was 853.2 MB in the beginning and 778.4 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 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 0.1.24-65d6cd2 [2019-11-25 23:07:19,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:07:19,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:07:19,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:07:19,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:07:19,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:07:19,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:07:19,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:07:19,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:07:19,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:07:19,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:07:19,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:07:19,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:07:19,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:07:19,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:07:19,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:07:19,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:07:19,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:07:19,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:07:19,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:07:19,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:07:19,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:07:19,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:07:19,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:07:19,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:07:19,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:07:19,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:07:19,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:07:19,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:07:19,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:07:19,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:07:19,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:07:19,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:07:19,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:07:19,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:07:19,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:07:19,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:07:19,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:07:19,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:07:19,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:07:19,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:07:19,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:07:19,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:07:19,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:07:19,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:07:19,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:07:19,681 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:07:19,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:07:19,683 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:07:19,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:07:19,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:07:19,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:07:19,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:07:19,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:07:19,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:07:19,686 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:07:19,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:07:19,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:07:19,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:07:19,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:07:19,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:07:19,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:07:19,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:07:19,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:07:19,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:07:19,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:07:19,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:07:19,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:07:19,691 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:07:19,691 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:07:19,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:07:19,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:07:19,693 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 -> 51d87f265f39789c01cf852e282d720868caa035 [2019-11-25 23:07:20,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:07:20,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:07:20,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:07:20,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:07:20,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:07:20,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2019-11-25 23:07:20,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6530d38/7d14d0f8101e44b199e76f86b24381d3/FLAG1be945017 [2019-11-25 23:07:21,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:07:21,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2019-11-25 23:07:21,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6530d38/7d14d0f8101e44b199e76f86b24381d3/FLAG1be945017 [2019-11-25 23:07:21,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6530d38/7d14d0f8101e44b199e76f86b24381d3 [2019-11-25 23:07:21,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:07:21,321 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:07:21,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:21,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:07:21,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:07:21,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:21" (1/1) ... [2019-11-25 23:07:21,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384808a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:21, skipping insertion in model container [2019-11-25 23:07:21,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:07:21" (1/1) ... [2019-11-25 23:07:21,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:07:21,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:07:22,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:22,559 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:07:22,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:07:23,001 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:07:23,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23 WrapperNode [2019-11-25 23:07:23,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:07:23,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:23,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:07:23,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:07:23,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:23,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:23,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:07:23,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:07:23,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:07:23,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:07:23,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:23,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:23,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:23,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:24,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:24,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:24,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:07:23" (1/1) ... [2019-11-25 23:07:24,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:07:24,686 INFO L168 Benchmark]: Toolchain (without parser) took 3359.43 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 755.3 MB in the end (delta: 206.4 MB). Peak memory consumption was 206.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:24,687 INFO L168 Benchmark]: CDTParser took 1.17 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. [2019-11-25 23:07:24,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1671.35 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 910.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:24,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 723.05 ms. Allocated memory is still 1.0 GB. Free memory was 910.5 MB in the beginning and 830.3 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:24,694 INFO L168 Benchmark]: Boogie Preprocessor took 951.74 ms. Allocated memory is still 1.0 GB. Free memory was 830.3 MB in the beginning and 755.3 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 12.5 GB. [2019-11-25 23:07:24,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 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 1671.35 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 910.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 723.05 ms. Allocated memory is still 1.0 GB. Free memory was 910.5 MB in the beginning and 830.3 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 951.74 ms. Allocated memory is still 1.0 GB. Free memory was 830.3 MB in the beginning and 755.3 MB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...