./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.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 772ae0076c26b37a681bb00ae43139212fba2f0f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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.M4-1.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 772ae0076c26b37a681bb00ae43139212fba2f0f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:15:33,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:15:33,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:15:33,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:15:33,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:15:33,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:15:33,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:15:33,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:15:33,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:15:33,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:15:33,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:15:33,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:15:33,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:15:33,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:15:33,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:15:33,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:15:33,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:15:33,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:15:33,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:15:33,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:15:33,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:15:33,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:15:33,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:15:33,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:15:33,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:15:33,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:15:33,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:15:34,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:15:34,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:15:34,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:15:34,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:15:34,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:15:34,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:15:34,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:15:34,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:15:34,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:15:34,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:15:34,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:15:34,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:15:34,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:15:34,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:15:34,018 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:15:34,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:15:34,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:15:34,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:15:34,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:15:34,054 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:15:34,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:15:34,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:15:34,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:15:34,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:15:34,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:15:34,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:15:34,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:15:34,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:15:34,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:15:34,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:15:34,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:15:34,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:15:34,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:15:34,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:15:34,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:15:34,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:15:34,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:15:34,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:15:34,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:15:34,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:15:34,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:15:34,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:15:34,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:15:34,065 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 -> 772ae0076c26b37a681bb00ae43139212fba2f0f [2019-11-26 17:15:34,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:15:34,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:15:34,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:15:34,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:15:34,535 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:15:34,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c [2019-11-26 17:15:34,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3b0f5f7/dd7579b6694148358d0f521ea8b7f451/FLAG434edf682 [2019-11-26 17:15:35,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:15:35,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c [2019-11-26 17:15:35,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3b0f5f7/dd7579b6694148358d0f521ea8b7f451/FLAG434edf682 [2019-11-26 17:15:35,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3b0f5f7/dd7579b6694148358d0f521ea8b7f451 [2019-11-26 17:15:35,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:15:35,692 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:15:35,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:35,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:15:35,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:15:35,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:35" (1/1) ... [2019-11-26 17:15:35,710 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 26.11 05:15:35, skipping insertion in model container [2019-11-26 17:15:35,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:35" (1/1) ... [2019-11-26 17:15:35,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:15:35,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:15:36,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:36,999 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:15:37,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:37,415 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:15:37,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37 WrapperNode [2019-11-26 17:15:37,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:37,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:37,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:15:37,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:15:37,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:37,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:44,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:44,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:15:44,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:15:44,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:15:44,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:44,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:46,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:46,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:50,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:51,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:52,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:37" (1/1) ... [2019-11-26 17:15:58,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:15:58,549 INFO L168 Benchmark]: Toolchain (without parser) took 22851.26 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -233.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 12.5 GB. [2019-11-26 17:15:58,549 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:15:58,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1721.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 931.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:58,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 6640.63 ms. Allocated memory is still 1.0 GB. Free memory was 931.9 MB in the beginning and 415.8 MB in the end (delta: 516.1 MB). Peak memory consumption was 593.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:58,556 INFO L168 Benchmark]: Boogie Preprocessor took 14481.81 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 415.8 MB in the beginning and 1.2 GB in the end (delta: -770.5 MB). Peak memory consumption was 554.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:58,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1721.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 931.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 6640.63 ms. Allocated memory is still 1.0 GB. Free memory was 931.9 MB in the beginning and 415.8 MB in the end (delta: 516.1 MB). Peak memory consumption was 593.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 14481.81 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 415.8 MB in the beginning and 1.2 GB in the end (delta: -770.5 MB). Peak memory consumption was 554.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:16:01,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:16:01,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:16:01,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:16:01,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:16:01,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:16:01,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:16:01,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:16:01,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:16:01,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:16:01,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:16:01,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:16:01,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:16:01,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:16:01,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:16:01,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:16:01,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:16:01,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:16:01,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:16:01,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:16:01,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:16:01,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:16:01,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:16:01,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:16:01,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:16:01,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:16:01,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:16:01,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:16:01,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:16:01,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:16:01,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:16:01,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:16:01,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:16:01,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:16:01,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:16:01,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:16:01,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:16:01,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:16:01,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:16:01,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:16:01,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:16:01,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:16:01,485 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:16:01,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:16:01,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:16:01,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:16:01,491 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:16:01,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:16:01,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:16:01,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:16:01,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:16:01,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:16:01,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:16:01,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:16:01,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:16:01,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:16:01,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:16:01,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:16:01,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:16:01,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:16:01,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:16:01,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:16:01,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:16:01,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:16:01,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:16:01,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:16:01,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:16:01,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:16:01,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:16:01,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:16:01,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:16:01,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:16:01,506 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 -> 772ae0076c26b37a681bb00ae43139212fba2f0f [2019-11-26 17:16:01,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:16:01,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:16:01,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:16:01,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:16:01,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:16:01,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c [2019-11-26 17:16:02,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff19a3fb5/2fdf0855659447df90e665a73399f294/FLAGcae40b07d [2019-11-26 17:16:03,000 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:16:03,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-1.c [2019-11-26 17:16:03,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff19a3fb5/2fdf0855659447df90e665a73399f294/FLAGcae40b07d [2019-11-26 17:16:03,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff19a3fb5/2fdf0855659447df90e665a73399f294 [2019-11-26 17:16:03,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:16:03,087 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:16:03,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:03,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:16:03,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:16:03,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:03" (1/1) ... [2019-11-26 17:16:03,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:03, skipping insertion in model container [2019-11-26 17:16:03,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:03" (1/1) ... [2019-11-26 17:16:03,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:16:03,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:16:04,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:04,391 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:16:04,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:04,885 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:16:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04 WrapperNode [2019-11-26 17:16:04,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:04,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:04,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:16:04,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:16:04,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:05,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:11,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:11,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:16:11,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:16:11,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:16:11,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:11,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:12,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:12,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:17,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:18,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:19,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:04" (1/1) ... [2019-11-26 17:16:24,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:16:24,417 INFO L168 Benchmark]: Toolchain (without parser) took 21328.27 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 941.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 12.5 GB. [2019-11-26 17:16:24,418 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:16:24,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1797.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 904.7 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:24,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 6449.12 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 479.0 MB in the end (delta: 425.7 MB). Peak memory consumption was 554.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:24,422 INFO L168 Benchmark]: Boogie Preprocessor took 13074.62 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 941.0 MB). Free memory was 479.0 MB in the beginning and 1.1 GB in the end (delta: -624.7 MB). Peak memory consumption was 582.0 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:24,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1797.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 904.7 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 6449.12 ms. Allocated memory is still 1.0 GB. Free memory was 904.7 MB in the beginning and 479.0 MB in the end (delta: 425.7 MB). Peak memory consumption was 554.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 13074.62 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 941.0 MB). Free memory was 479.0 MB in the beginning and 1.1 GB in the end (delta: -624.7 MB). Peak memory consumption was 582.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...