./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/rekh_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 53e071511f6f1e48b17be30e2bccf96306c46fba ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/rekh_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 53e071511f6f1e48b17be30e2bccf96306c46fba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:21:28,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:21:28,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:21:28,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:21:28,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:21:28,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:21:28,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:21:28,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:21:28,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:21:28,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:21:28,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:21:28,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:21:28,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:21:28,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:21:28,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:21:28,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:21:28,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:21:28,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:21:28,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:21:28,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:21:28,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:21:28,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:21:28,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:21:28,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:21:28,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:21:28,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:21:28,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:21:28,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:21:28,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:21:28,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:21:28,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:21:28,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:21:28,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:21:28,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:21:28,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:21:28,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:21:28,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:21:28,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:21:28,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:21:28,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:21:28,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:21:28,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:21:28,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:21:28,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:21:28,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:21:28,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:21:28,581 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:21:28,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:21:28,582 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:21:28,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:21:28,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:21:28,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:21:28,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:21:28,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:21:28,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:21:28,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:21:28,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:21:28,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:21:28,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:21:28,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:21:28,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:21:28,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:21:28,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:21:28,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:21:28,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:21:28,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:21:28,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:21:28,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:21:28,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:21:28,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:21:28,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:21:28,592 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 -> 53e071511f6f1e48b17be30e2bccf96306c46fba [2019-11-24 21:21:29,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:21:29,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:21:29,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:21:29,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:21:29,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:21:29,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-24 21:21:29,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0e915ae/a3f6338f88fa4f518b8bd6ad491e9738/FLAG7195eb6c5 [2019-11-24 21:21:30,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:21:30,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-24 21:21:30,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0e915ae/a3f6338f88fa4f518b8bd6ad491e9738/FLAG7195eb6c5 [2019-11-24 21:21:30,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0e915ae/a3f6338f88fa4f518b8bd6ad491e9738 [2019-11-24 21:21:30,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:21:30,303 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:21:30,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:30,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:21:30,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:21:30,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:30" (1/1) ... [2019-11-24 21:21:30,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:30, skipping insertion in model container [2019-11-24 21:21:30,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:30" (1/1) ... [2019-11-24 21:21:30,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:21:30,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:21:31,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:31,508 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:21:31,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:31,861 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:21:31,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31 WrapperNode [2019-11-24 21:21:31,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:31,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:31,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:21:31,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:21:31,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:31,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:33,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:33,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:21:33,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:21:33,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:21:33,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:33,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:34,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:34,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:35,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:35,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:36,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:31" (1/1) ... [2019-11-24 21:21:37,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:21:37,039 INFO L168 Benchmark]: Toolchain (without parser) took 6735.25 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 786.3 MB in the end (delta: 168.2 MB). Peak memory consumption was 443.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:37,041 INFO L168 Benchmark]: CDTParser took 1.86 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. [2019-11-24 21:21:37,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1556.63 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 926.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:37,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 2075.30 ms. Allocated memory is still 1.0 GB. Free memory was 926.3 MB in the beginning and 850.9 MB in the end (delta: 75.4 MB). Peak memory consumption was 315.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:37,049 INFO L168 Benchmark]: Boogie Preprocessor took 3094.96 ms. Allocated memory is still 1.0 GB. Free memory was 850.9 MB in the beginning and 786.3 MB in the end (delta: 64.6 MB). Peak memory consumption was 339.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:37,056 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86 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 1556.63 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 926.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2075.30 ms. Allocated memory is still 1.0 GB. Free memory was 926.3 MB in the beginning and 850.9 MB in the end (delta: 75.4 MB). Peak memory consumption was 315.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 3094.96 ms. Allocated memory is still 1.0 GB. Free memory was 850.9 MB in the beginning and 786.3 MB in the end (delta: 64.6 MB). Peak memory consumption was 339.8 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 0.1.24-32f2683 [2019-11-24 21:21:39,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:21:39,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:21:39,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:21:39,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:21:39,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:21:39,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:21:39,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:21:39,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:21:39,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:21:39,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:21:39,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:21:39,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:21:39,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:21:39,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:21:39,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:21:39,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:21:39,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:21:39,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:21:39,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:21:40,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:21:40,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:21:40,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:21:40,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:21:40,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:21:40,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:21:40,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:21:40,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:21:40,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:21:40,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:21:40,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:21:40,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:21:40,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:21:40,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:21:40,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:21:40,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:21:40,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:21:40,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:21:40,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:21:40,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:21:40,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:21:40,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:21:40,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:21:40,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:21:40,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:21:40,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:21:40,080 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:21:40,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:21:40,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:21:40,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:21:40,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:21:40,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:21:40,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:21:40,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:21:40,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:21:40,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:21:40,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:21:40,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:21:40,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:21:40,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:21:40,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:21:40,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:21:40,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:21:40,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:21:40,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:21:40,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:21:40,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:21:40,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:21:40,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:21:40,091 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:21:40,091 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:21:40,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:21:40,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:21:40,092 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 -> 53e071511f6f1e48b17be30e2bccf96306c46fba [2019-11-24 21:21:40,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:21:40,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:21:40,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:21:40,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:21:40,593 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:21:40,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-24 21:21:40,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e597a491/3b34b50422e949e7a6ce5a19141ef180/FLAGc751e23d1 [2019-11-24 21:21:41,669 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:21:41,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-24 21:21:41,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e597a491/3b34b50422e949e7a6ce5a19141ef180/FLAGc751e23d1 [2019-11-24 21:21:41,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e597a491/3b34b50422e949e7a6ce5a19141ef180 [2019-11-24 21:21:41,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:21:41,764 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:21:41,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:41,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:21:41,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:21:41,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:41" (1/1) ... [2019-11-24 21:21:41,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:41, skipping insertion in model container [2019-11-24 21:21:41,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:21:41" (1/1) ... [2019-11-24 21:21:41,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:21:41,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:21:43,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:43,094 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:21:43,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:21:43,572 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:21:43,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43 WrapperNode [2019-11-24 21:21:43,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:21:43,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:43,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:21:43,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:21:43,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:43,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:45,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:21:45,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:21:45,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:21:45,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:21:45,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:45,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:46,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:46,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:47,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:48,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:48,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:21:43" (1/1) ... [2019-11-24 21:21:49,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:21:49,161 INFO L168 Benchmark]: Toolchain (without parser) took 7392.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 773.2 MB in the end (delta: 182.7 MB). Peak memory consumption was 431.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,164 INFO L168 Benchmark]: CDTParser took 3.49 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. [2019-11-24 21:21:49,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1808.60 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 904.6 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 2217.05 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 864.8 MB in the end (delta: 39.8 MB). Peak memory consumption was 286.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,171 INFO L168 Benchmark]: Boogie Preprocessor took 3361.34 ms. Allocated memory is still 1.0 GB. Free memory was 864.8 MB in the beginning and 773.2 MB in the end (delta: 91.6 MB). Peak memory consumption was 339.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:21:49,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.49 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 1808.60 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 904.6 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2217.05 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 864.8 MB in the end (delta: 39.8 MB). Peak memory consumption was 286.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 3361.34 ms. Allocated memory is still 1.0 GB. Free memory was 864.8 MB in the beginning and 773.2 MB in the end (delta: 91.6 MB). Peak memory consumption was 339.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...