./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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.3.M4.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 c5c7204e3fcbee087cf1ac1e65cb918601a37eaf ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:26:54,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:26:54,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:26:54,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:26:54,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:26:54,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:26:54,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:26:55,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:26:55,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:26:55,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:26:55,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:26:55,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:26:55,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:26:55,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:26:55,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:26:55,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:26:55,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:26:55,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:26:55,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:26:55,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:26:55,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:26:55,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:26:55,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:26:55,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:26:55,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:26:55,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:26:55,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:26:55,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:26:55,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:26:55,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:26:55,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:26:55,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:26:55,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:26:55,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:26:55,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:26:55,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:26:55,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:26:55,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:26:55,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:26:55,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:26:55,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:26:55,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:26:55,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:26:55,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:26:55,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:26:55,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:26:55,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:26:55,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:26:55,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:26:55,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:26:55,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:26:55,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:26:55,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:26:55,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:26:55,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:26:55,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:26:55,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:26:55,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:26:55,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:26:55,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:26:55,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:26:55,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:26:55,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:26:55,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:26:55,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:26:55,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:26:55,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:26:55,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:26:55,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:26:55,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:26:55,139 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 -> c5c7204e3fcbee087cf1ac1e65cb918601a37eaf [2019-11-16 21:26:55,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:26:55,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:26:55,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:26:55,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:26:55,609 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:26:55,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2019-11-16 21:26:55,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba5d4e3d/7813fe1e17874c8e9b2a0a46ed896476/FLAG7dbd984ee [2019-11-16 21:26:57,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:26:57,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2019-11-16 21:26:57,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba5d4e3d/7813fe1e17874c8e9b2a0a46ed896476/FLAG7dbd984ee [2019-11-16 21:26:57,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba5d4e3d/7813fe1e17874c8e9b2a0a46ed896476 [2019-11-16 21:26:57,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:26:57,288 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:26:57,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:26:57,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:26:57,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:26:57,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:26:57" (1/1) ... [2019-11-16 21:26:57,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f700c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:26:57, skipping insertion in model container [2019-11-16 21:26:57,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:26:57" (1/1) ... [2019-11-16 21:26:57,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:26:57,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:26:59,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:26:59,964 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:27:01,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:27:01,502 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:27:01,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01 WrapperNode [2019-11-16 21:27:01,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:27:01,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:27:01,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:27:01,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:27:01,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:01,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:07,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:27:07,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:27:07,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:27:07,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:27:07,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:07,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:08,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:08,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:12,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:13,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:14,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:27:01" (1/1) ... [2019-11-16 21:27:15,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:27:15,268 INFO L168 Benchmark]: Toolchain (without parser) took 17976.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 245.9 MB in the end (delta: 697.2 MB). Peak memory consumption was 767.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:15,271 INFO L168 Benchmark]: CDTParser took 2.58 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. [2019-11-16 21:27:15,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4213.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 741.4 MB in the end (delta: 201.7 MB). Peak memory consumption was 277.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:15,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 6273.78 ms. Allocated memory is still 1.0 GB. Free memory was 741.4 MB in the beginning and 455.3 MB in the end (delta: 286.1 MB). Peak memory consumption was 380.5 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:15,279 INFO L168 Benchmark]: Boogie Preprocessor took 7483.45 ms. Allocated memory is still 1.0 GB. Free memory was 455.3 MB in the beginning and 245.9 MB in the end (delta: 209.4 MB). Peak memory consumption was 279.9 MB. Max. memory is 12.5 GB. [2019-11-16 21:27:15,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58 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 4213.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 943.1 MB in the beginning and 741.4 MB in the end (delta: 201.7 MB). Peak memory consumption was 277.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 6273.78 ms. Allocated memory is still 1.0 GB. Free memory was 741.4 MB in the beginning and 455.3 MB in the end (delta: 286.1 MB). Peak memory consumption was 380.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 7483.45 ms. Allocated memory is still 1.0 GB. Free memory was 455.3 MB in the beginning and 245.9 MB in the end (delta: 209.4 MB). Peak memory consumption was 279.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...