./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.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 93723d11fabc868abe2828d024ca94192d43a8fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.2.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 93723d11fabc868abe2828d024ca94192d43a8fd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:03:14,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:03:14,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:03:14,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:03:14,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:03:14,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:03:14,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:03:14,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:03:14,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:03:14,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:03:14,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:03:14,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:03:14,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:03:14,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:03:14,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:03:14,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:03:14,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:03:14,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:03:14,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:03:14,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:03:14,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:03:14,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:03:14,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:03:14,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:03:14,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:03:14,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:03:14,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:03:14,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:03:14,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:03:14,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:03:14,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:03:14,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:03:14,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:03:14,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:03:14,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:03:14,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:03:14,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:03:14,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:03:14,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:03:14,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:03:14,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:03:14,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:03:14,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:03:14,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:03:14,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:03:14,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:03:14,882 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:03:14,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:03:14,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:03:14,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:03:14,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:03:14,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:03:14,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:03:14,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:03:14,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:03:14,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:03:14,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:03:14,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:03:14,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:03:14,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:03:14,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:03:14,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:03:14,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:03:14,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:03:14,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:03:14,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:03:14,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:03:14,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:03:14,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:03:14,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:03:14,899 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 -> 93723d11fabc868abe2828d024ca94192d43a8fd [2019-11-27 10:03:15,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:03:15,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:03:15,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:03:15,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:03:15,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:03:15,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-27 10:03:15,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/794e7b0fc/5baac284d04648db8dcd871851615360/FLAG5fbbd58f0 [2019-11-27 10:03:17,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:03:17,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-27 10:03:17,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/794e7b0fc/5baac284d04648db8dcd871851615360/FLAG5fbbd58f0 [2019-11-27 10:03:17,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/794e7b0fc/5baac284d04648db8dcd871851615360 [2019-11-27 10:03:17,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:03:17,147 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:03:17,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:17,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:03:17,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:03:17,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:17" (1/1) ... [2019-11-27 10:03:17,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:17, skipping insertion in model container [2019-11-27 10:03:17,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:17" (1/1) ... [2019-11-27 10:03:17,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:03:17,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:03:19,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:19,067 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:03:19,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:19,688 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:03:19,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19 WrapperNode [2019-11-27 10:03:19,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:19,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:19,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:03:19,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:03:19,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:19,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:24,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:24,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:03:24,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:03:24,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:03:24,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:24,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:24,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:24,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:28,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:28,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:29,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:19" (1/1) ... [2019-11-27 10:03:30,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:03:30,202 INFO L168 Benchmark]: Toolchain (without parser) took 13051.56 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 557.6 MB in the end (delta: 398.4 MB). Peak memory consumption was 443.3 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:30,207 INFO L168 Benchmark]: CDTParser took 2.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:03:30,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2535.00 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 915.8 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:30,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 4379.16 ms. Allocated memory is still 1.0 GB. Free memory was 915.8 MB in the beginning and 731.7 MB in the end (delta: 184.2 MB). Peak memory consumption was 303.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:30,217 INFO L168 Benchmark]: Boogie Preprocessor took 6123.98 ms. Allocated memory is still 1.0 GB. Free memory was 731.7 MB in the beginning and 557.6 MB in the end (delta: 174.1 MB). Peak memory consumption was 219.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:30,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23 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 2535.00 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 915.8 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 4379.16 ms. Allocated memory is still 1.0 GB. Free memory was 915.8 MB in the beginning and 731.7 MB in the end (delta: 184.2 MB). Peak memory consumption was 303.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 6123.98 ms. Allocated memory is still 1.0 GB. Free memory was 731.7 MB in the beginning and 557.6 MB in the end (delta: 174.1 MB). Peak memory consumption was 219.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:03:34,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:03:34,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:03:34,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:03:34,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:03:34,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:03:34,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:03:34,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:03:34,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:03:34,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:03:34,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:03:34,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:03:34,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:03:34,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:03:34,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:03:34,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:03:34,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:03:34,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:03:34,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:03:34,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:03:34,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:03:34,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:03:34,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:03:34,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:03:34,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:03:34,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:03:34,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:03:34,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:03:34,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:03:34,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:03:34,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:03:34,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:03:34,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:03:34,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:03:34,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:03:34,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:03:34,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:03:34,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:03:34,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:03:34,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:03:34,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:03:34,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:03:35,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:03:35,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:03:35,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:03:35,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:03:35,046 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:03:35,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:03:35,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:03:35,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:03:35,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:03:35,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:03:35,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:03:35,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:03:35,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:03:35,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:03:35,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:03:35,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:03:35,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:03:35,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:03:35,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:03:35,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:03:35,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:03:35,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:03:35,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:03:35,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:03:35,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:03:35,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:03:35,063 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:03:35,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:03:35,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:03:35,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:03:35,066 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 -> 93723d11fabc868abe2828d024ca94192d43a8fd [2019-11-27 10:03:35,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:03:35,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:03:35,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:03:35,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:03:35,841 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:03:35,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-27 10:03:36,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f4bc11e/3d4d6ec86ece4a429f4f9ad8d1c79758/FLAG50f7448b1 [2019-11-27 10:03:37,602 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:03:37,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-27 10:03:37,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f4bc11e/3d4d6ec86ece4a429f4f9ad8d1c79758/FLAG50f7448b1 [2019-11-27 10:03:37,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f4bc11e/3d4d6ec86ece4a429f4f9ad8d1c79758 [2019-11-27 10:03:37,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:03:37,692 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:03:37,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:37,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:03:37,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:03:37,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:37" (1/1) ... [2019-11-27 10:03:37,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:37, skipping insertion in model container [2019-11-27 10:03:37,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:37" (1/1) ... [2019-11-27 10:03:37,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:03:37,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:03:40,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:40,226 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:03:40,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:41,075 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:03:41,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41 WrapperNode [2019-11-27 10:03:41,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:41,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:41,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:03:41,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:03:41,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:41,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:44,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:44,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:03:44,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:03:44,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:03:45,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:45,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:45,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:45,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:49,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:50,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:50,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:41" (1/1) ... [2019-11-27 10:03:51,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:03:51,426 INFO L168 Benchmark]: Toolchain (without parser) took 13730.74 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 537.4 MB in the end (delta: 424.3 MB). Peak memory consumption was 439.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:51,427 INFO L168 Benchmark]: CDTParser took 4.04 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:03:51,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3366.10 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 892.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:51,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 3903.20 ms. Allocated memory is still 1.0 GB. Free memory was 892.9 MB in the beginning and 750.5 MB in the end (delta: 142.4 MB). Peak memory consumption was 270.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:51,437 INFO L168 Benchmark]: Boogie Preprocessor took 6435.03 ms. Allocated memory is still 1.0 GB. Free memory was 750.5 MB in the beginning and 537.4 MB in the end (delta: 213.1 MB). Peak memory consumption was 227.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:51,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.04 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 3366.10 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 892.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3903.20 ms. Allocated memory is still 1.0 GB. Free memory was 892.9 MB in the beginning and 750.5 MB in the end (delta: 142.4 MB). Peak memory consumption was 270.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 6435.03 ms. Allocated memory is still 1.0 GB. Free memory was 750.5 MB in the beginning and 537.4 MB in the end (delta: 213.1 MB). Peak memory consumption was 227.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...