./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.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 e3300be66b5d48bb087247bc9e8633b5f1360eb4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_aso.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 e3300be66b5d48bb087247bc9e8633b5f1360eb4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:14:23,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:14:23,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:14:23,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:14:23,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:14:23,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:14:23,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:14:23,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:14:23,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:14:23,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:14:23,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:14:23,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:14:23,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:14:23,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:14:23,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:14:23,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:14:23,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:14:23,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:14:23,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:14:23,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:14:23,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:14:23,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:14:23,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:14:23,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:14:23,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:14:23,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:14:23,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:14:23,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:14:23,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:14:23,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:14:23,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:14:23,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:14:23,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:14:23,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:14:23,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:14:23,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:14:23,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:14:23,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:14:23,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:14:23,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:14:23,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:14:23,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:14:23,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:14:23,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:14:23,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:14:23,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:14:23,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:14:23,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:14:23,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:14:23,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:14:23,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:14:23,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:14:23,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:14:23,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:14:23,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:14:23,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:14:23,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:14:23,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:14:23,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:14:23,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:14:23,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:14:23,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:14:23,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:14:23,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:14:23,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:14:23,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:14:23,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:14:23,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:14:23,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:14:23,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:14:23,732 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 -> e3300be66b5d48bb087247bc9e8633b5f1360eb4 [2019-11-26 17:14:24,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:14:24,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:14:24,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:14:24,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:14:24,325 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:14:24,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2019-11-26 17:14:24,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b143879/6ae362a2aeed4c958cc71a06b3183ac1/FLAGb1c37e481 [2019-11-26 17:14:25,801 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:14:25,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2019-11-26 17:14:25,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b143879/6ae362a2aeed4c958cc71a06b3183ac1/FLAGb1c37e481 [2019-11-26 17:14:26,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b143879/6ae362a2aeed4c958cc71a06b3183ac1 [2019-11-26 17:14:26,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:14:26,161 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:14:26,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:26,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:14:26,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:14:26,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:26" (1/1) ... [2019-11-26 17:14:26,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4568065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:26, skipping insertion in model container [2019-11-26 17:14:26,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:26" (1/1) ... [2019-11-26 17:14:26,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:14:26,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:14:27,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:27,954 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:14:28,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:28,507 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:14:28,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28 WrapperNode [2019-11-26 17:14:28,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:28,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:28,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:14:28,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:14:28,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:28,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:29,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:29,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:14:29,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:14:29,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:14:29,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:29,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:30,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:30,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:30,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:31,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:31,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:28" (1/1) ... [2019-11-26 17:14:32,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:14:32,141 INFO L168 Benchmark]: Toolchain (without parser) took 5974.67 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 887.2 MB in the end (delta: 74.4 MB). Peak memory consumption was 328.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:32,144 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:14:32,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2338.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 921.7 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:32,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 1310.43 ms. Allocated memory is still 1.0 GB. Free memory was 921.7 MB in the beginning and 794.6 MB in the end (delta: 127.1 MB). Peak memory consumption was 127.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:32,154 INFO L168 Benchmark]: Boogie Preprocessor took 2312.26 ms. Allocated memory is still 1.0 GB. Free memory was 794.6 MB in the beginning and 887.2 MB in the end (delta: -92.7 MB). Peak memory consumption was 161.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:32,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 2338.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 921.7 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1310.43 ms. Allocated memory is still 1.0 GB. Free memory was 921.7 MB in the beginning and 794.6 MB in the end (delta: 127.1 MB). Peak memory consumption was 127.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2312.26 ms. Allocated memory is still 1.0 GB. Free memory was 794.6 MB in the beginning and 887.2 MB in the end (delta: -92.7 MB). Peak memory consumption was 161.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:14:36,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:14:36,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:14:36,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:14:36,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:14:36,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:14:36,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:14:36,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:14:36,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:14:36,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:14:36,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:14:36,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:14:36,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:14:36,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:14:36,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:14:36,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:14:36,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:14:36,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:14:36,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:14:36,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:14:36,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:14:36,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:14:36,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:14:36,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:14:36,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:14:36,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:14:36,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:14:36,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:14:36,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:14:36,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:14:36,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:14:36,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:14:36,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:14:36,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:14:36,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:14:36,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:14:36,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:14:36,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:14:36,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:14:36,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:14:36,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:14:36,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:14:36,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:14:36,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:14:36,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:14:36,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:14:36,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:14:36,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:14:36,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:14:36,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:14:36,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:14:36,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:14:36,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:14:36,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:14:36,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:14:36,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:14:36,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:14:36,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:14:36,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:14:36,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:14:36,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:14:36,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:14:36,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:14:36,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:14:36,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:14:36,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:14:36,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:14:36,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:14:36,277 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:14:36,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:14:36,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:14:36,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:14:36,282 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 -> e3300be66b5d48bb087247bc9e8633b5f1360eb4 [2019-11-26 17:14:36,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:14:36,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:14:36,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:14:36,917 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:14:36,920 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:14:36,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2019-11-26 17:14:37,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0217a9a/18f0f634e5904da288a99ee73548cd72/FLAGe77ea0658 [2019-11-26 17:14:38,593 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:14:38,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2019-11-26 17:14:38,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0217a9a/18f0f634e5904da288a99ee73548cd72/FLAGe77ea0658 [2019-11-26 17:14:38,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0217a9a/18f0f634e5904da288a99ee73548cd72 [2019-11-26 17:14:38,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:14:38,705 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:14:38,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:38,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:14:38,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:14:38,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:38" (1/1) ... [2019-11-26 17:14:38,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462bd67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:38, skipping insertion in model container [2019-11-26 17:14:38,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:14:38" (1/1) ... [2019-11-26 17:14:38,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:14:38,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:14:40,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:40,825 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:14:41,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:14:41,656 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:14:41,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41 WrapperNode [2019-11-26 17:14:41,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:14:41,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:41,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:14:41,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:14:41,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:41,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:43,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:14:43,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:14:43,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:14:43,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:14:43,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:43,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:43,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:43,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:45,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:45,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:45,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:14:41" (1/1) ... [2019-11-26 17:14:46,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:14:46,126 INFO L168 Benchmark]: Toolchain (without parser) took 7421.76 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 869.9 MB in the end (delta: 91.7 MB). Peak memory consumption was 317.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,128 INFO L168 Benchmark]: CDTParser took 4.10 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:14:46,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2958.39 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 904.6 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 1838.34 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 772.8 MB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,139 INFO L168 Benchmark]: Boogie Preprocessor took 2612.55 ms. Allocated memory is still 1.0 GB. Free memory was 772.8 MB in the beginning and 869.9 MB in the end (delta: -97.1 MB). Peak memory consumption was 128.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:14:46,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.10 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 2958.39 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 904.6 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1838.34 ms. Allocated memory is still 1.0 GB. Free memory was 904.6 MB in the beginning and 772.8 MB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2612.55 ms. Allocated memory is still 1.0 GB. Free memory was 772.8 MB in the beginning and 869.9 MB in the end (delta: -97.1 MB). Peak memory consumption was 128.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...