./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.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/rekcba_nxt.2.M1-2.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 13418dfc9be97be835ca3a64718ebe6e3b511a93 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.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 13418dfc9be97be835ca3a64718ebe6e3b511a93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:20:34,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:34,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:34,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:34,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:34,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:34,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:35,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:35,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:35,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:35,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:35,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:35,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:35,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:35,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:35,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:35,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:35,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:35,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:35,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:35,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:35,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:35,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:35,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:35,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:35,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:35,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:35,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:35,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:35,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:35,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:35,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:35,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:35,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:35,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:35,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:35,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:35,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:35,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:35,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:35,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:35,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:20:35,178 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:35,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:35,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:35,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:35,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:35,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:35,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:35,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:20:35,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:35,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:35,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:35,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:35,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:35,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:35,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:35,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:35,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:35,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:35,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:35,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:35,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:35,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:35,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:35,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:35,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:35,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:35,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:20:35,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:20:35,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:35,203 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 -> 13418dfc9be97be835ca3a64718ebe6e3b511a93 [2019-11-24 21:20:35,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:35,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:35,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:35,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:35,828 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:35,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-24 21:20:35,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e82335ae/ebf6e288d9b944c782c6b47de13a68df/FLAG4cee05e0c [2019-11-24 21:20:37,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:37,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-24 21:20:37,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e82335ae/ebf6e288d9b944c782c6b47de13a68df/FLAG4cee05e0c [2019-11-24 21:20:37,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e82335ae/ebf6e288d9b944c782c6b47de13a68df [2019-11-24 21:20:37,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:37,498 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:37,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:37,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:37,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:37,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:37" (1/1) ... [2019-11-24 21:20:37,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:37, skipping insertion in model container [2019-11-24 21:20:37,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:37" (1/1) ... [2019-11-24 21:20:37,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:37,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:39,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:39,314 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:39,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:39,899 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:39,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39 WrapperNode [2019-11-24 21:20:39,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:39,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:39,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:39,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:39,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:40,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:41,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:41,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:41,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:41,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:41,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:42,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:39" (1/1) ... [2019-11-24 21:20:42,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:42,297 INFO L168 Benchmark]: Toolchain (without parser) took 4793.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 770.4 MB in the end (delta: 185.5 MB). Peak memory consumption was 185.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,302 INFO L168 Benchmark]: CDTParser took 1.85 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 21:20:42,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2400.80 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 931.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 1095.31 ms. Allocated memory is still 1.0 GB. Free memory was 931.9 MB in the beginning and 846.0 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,313 INFO L168 Benchmark]: Boogie Preprocessor took 1287.95 ms. Allocated memory is still 1.0 GB. Free memory was 846.0 MB in the beginning and 770.4 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:42,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.85 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 2400.80 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 931.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1095.31 ms. Allocated memory is still 1.0 GB. Free memory was 931.9 MB in the beginning and 846.0 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1287.95 ms. Allocated memory is still 1.0 GB. Free memory was 846.0 MB in the beginning and 770.4 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 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 21:20:46,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:20:46,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:20:46,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:20:46,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:20:46,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:20:46,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:20:46,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:20:46,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:20:46,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:20:46,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:20:46,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:20:46,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:20:46,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:20:46,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:20:46,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:20:46,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:20:46,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:20:46,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:20:46,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:20:46,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:20:46,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:20:46,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:20:46,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:20:46,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:20:46,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:20:46,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:20:46,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:20:46,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:20:46,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:20:46,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:20:46,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:20:46,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:20:46,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:20:46,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:20:46,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:20:46,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:20:46,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:20:46,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:20:46,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:20:46,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:20:46,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:20:46,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:20:46,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:20:46,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:20:46,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:20:46,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:20:46,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:20:46,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:20:46,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:20:46,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:20:46,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:20:46,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:20:46,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:20:46,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:20:46,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:20:46,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:20:46,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:20:46,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:20:46,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:20:46,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:20:46,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:20:46,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:20:46,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:20:46,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:20:46,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:20:46,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:20:46,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:20:46,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:20:46,611 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:20:46,612 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:20:46,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:20:46,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:20:46,614 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 -> 13418dfc9be97be835ca3a64718ebe6e3b511a93 [2019-11-24 21:20:47,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:20:47,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:20:47,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:20:47,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:20:47,227 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:20:47,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-24 21:20:47,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed806f25/3db785fd2ba84989b05843f39f870d9f/FLAGbf3a4fa58 [2019-11-24 21:20:48,895 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:20:48,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-24 21:20:48,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed806f25/3db785fd2ba84989b05843f39f870d9f/FLAGbf3a4fa58 [2019-11-24 21:20:48,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed806f25/3db785fd2ba84989b05843f39f870d9f [2019-11-24 21:20:49,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:20:49,011 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:20:49,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:49,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:20:49,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:20:49,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:49" (1/1) ... [2019-11-24 21:20:49,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112358cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:49, skipping insertion in model container [2019-11-24 21:20:49,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:20:49" (1/1) ... [2019-11-24 21:20:49,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:20:49,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:20:50,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:51,001 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:20:51,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:20:51,712 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:20:51,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51 WrapperNode [2019-11-24 21:20:51,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:20:51,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:51,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:20:51,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:20:51,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:51,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:52,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:20:52,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:20:52,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:20:52,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:20:52,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:52,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:53,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:53,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:53,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:53,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:53,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:20:51" (1/1) ... [2019-11-24 21:20:54,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:20:54,148 INFO L168 Benchmark]: Toolchain (without parser) took 5129.05 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 749.0 MB in the end (delta: 207.0 MB). Peak memory consumption was 207.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:54,150 INFO L168 Benchmark]: CDTParser took 0.48 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 21:20:54,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2698.54 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 916.2 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:54,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 1112.18 ms. Allocated memory is still 1.0 GB. Free memory was 916.2 MB in the beginning and 830.2 MB in the end (delta: 86.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:54,163 INFO L168 Benchmark]: Boogie Preprocessor took 1309.96 ms. Allocated memory is still 1.0 GB. Free memory was 830.2 MB in the beginning and 754.7 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:20:54,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 2698.54 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 916.2 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1112.18 ms. Allocated memory is still 1.0 GB. Free memory was 916.2 MB in the beginning and 830.2 MB in the end (delta: 86.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1309.96 ms. Allocated memory is still 1.0 GB. Free memory was 830.2 MB in the beginning and 754.7 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...