./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.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/rekh_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 5896b493a194ebd884898cd6f8f73c85730ab78b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.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 5896b493a194ebd884898cd6f8f73c85730ab78b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:15:35,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:15:36,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:15:36,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:15:36,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:15:36,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:15:36,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:15:36,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:15:36,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:15:36,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:15:36,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:15:36,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:15:36,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:15:36,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:15:36,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:15:36,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:15:36,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:15:36,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:15:36,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:15:36,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:15:36,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:15:36,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:15:36,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:15:36,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:15:36,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:15:36,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:15:36,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:15:36,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:15:36,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:15:36,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:15:36,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:15:36,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:15:36,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:15:36,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:15:36,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:15:36,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:15:36,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:15:36,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:15:36,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:15:36,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:15:36,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:15:36,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:15:36,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:15:36,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:15:36,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:15:36,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:15:36,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:15:36,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:15:36,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:15:36,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:15:36,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:15:36,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:15:36,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:15:36,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:15:36,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:15:36,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:15:36,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:15:36,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:15:36,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:15:36,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:15:36,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:15:36,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:15:36,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:15:36,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:15:36,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:15:36,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:15:36,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:15:36,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:15:36,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:15:36,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:15:36,241 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 -> 5896b493a194ebd884898cd6f8f73c85730ab78b [2019-11-26 17:15:36,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:15:36,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:15:36,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:15:36,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:15:36,798 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:15:36,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-26 17:15:36,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887e1616d/668de04cbd1d4d369916b8e302db3c70/FLAGcb958d896 [2019-11-26 17:15:38,239 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:15:38,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-26 17:15:38,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887e1616d/668de04cbd1d4d369916b8e302db3c70/FLAGcb958d896 [2019-11-26 17:15:38,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887e1616d/668de04cbd1d4d369916b8e302db3c70 [2019-11-26 17:15:38,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:15:38,553 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:15:38,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:38,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:15:38,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:15:38,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:38" (1/1) ... [2019-11-26 17:15:38,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb698ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:38, skipping insertion in model container [2019-11-26 17:15:38,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:38" (1/1) ... [2019-11-26 17:15:38,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:15:38,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:15:40,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:40,316 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:15:40,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:40,937 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:15:40,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40 WrapperNode [2019-11-26 17:15:40,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:40,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:40,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:15:40,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:15:40,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:41,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:44,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:44,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:15:44,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:15:44,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:15:44,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:44,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:44,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:44,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:46,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:47,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:47,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:40" (1/1) ... [2019-11-26 17:15:48,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:15:48,977 INFO L168 Benchmark]: Toolchain (without parser) took 10421.79 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 784.8 MB in the end (delta: 171.2 MB). Peak memory consumption was 443.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:48,982 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:15:48,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2380.85 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 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:48,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 3229.32 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 851.8 MB in the end (delta: 75.7 MB). Peak memory consumption was 316.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:48,990 INFO L168 Benchmark]: Boogie Preprocessor took 4796.26 ms. Allocated memory is still 1.0 GB. Free memory was 851.8 MB in the beginning and 784.8 MB in the end (delta: 67.0 MB). Peak memory consumption was 339.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:49,000 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 2380.85 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 927.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3229.32 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 851.8 MB in the end (delta: 75.7 MB). Peak memory consumption was 316.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4796.26 ms. Allocated memory is still 1.0 GB. Free memory was 851.8 MB in the beginning and 784.8 MB in the end (delta: 67.0 MB). Peak memory consumption was 339.1 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 17:15:53,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:15:53,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:15:53,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:15:53,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:15:53,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:15:53,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:15:53,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:15:53,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:15:53,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:15:53,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:15:53,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:15:53,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:15:53,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:15:53,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:15:53,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:15:53,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:15:53,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:15:53,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:15:53,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:15:53,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:15:53,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:15:53,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:15:53,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:15:53,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:15:53,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:15:53,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:15:53,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:15:53,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:15:53,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:15:53,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:15:53,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:15:53,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:15:53,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:15:53,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:15:53,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:15:53,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:15:53,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:15:53,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:15:53,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:15:53,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:15:53,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:15:53,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:15:53,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:15:53,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:15:53,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:15:53,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:15:53,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:15:53,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:15:53,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:15:53,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:15:53,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:15:53,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:15:53,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:15:53,897 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:15:53,897 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:15:53,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:15:53,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:15:53,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:15:53,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:15:53,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:15:53,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:15:53,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:15:53,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:15:53,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:15:53,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:15:53,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:15:53,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:15:53,909 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:15:53,909 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:15:53,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:15:53,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:15:53,912 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 -> 5896b493a194ebd884898cd6f8f73c85730ab78b [2019-11-26 17:15:54,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:15:54,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:15:54,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:15:54,663 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:15:54,667 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:15:54,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-26 17:15:54,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4983f19d/5c06bfd36c8f4ec08ac0a7ff1227e8ca/FLAGe237bb890 [2019-11-26 17:15:56,709 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:15:56,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-26 17:15:56,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4983f19d/5c06bfd36c8f4ec08ac0a7ff1227e8ca/FLAGe237bb890 [2019-11-26 17:15:56,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4983f19d/5c06bfd36c8f4ec08ac0a7ff1227e8ca [2019-11-26 17:15:56,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:15:56,848 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:15:56,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:56,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:15:56,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:15:56,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:56,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:56, skipping insertion in model container [2019-11-26 17:15:56,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:56" (1/1) ... [2019-11-26 17:15:56,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:15:57,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:15:59,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:59,296 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:16:00,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:00,167 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:16:00,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00 WrapperNode [2019-11-26 17:16:00,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:00,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:00,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:16:00,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:16:00,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:00,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:03,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:03,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:16:03,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:16:03,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:16:03,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:03,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:04,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:04,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:06,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:07,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:07,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:00" (1/1) ... [2019-11-26 17:16:08,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:16:08,410 INFO L168 Benchmark]: Toolchain (without parser) took 11555.21 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 764.7 MB in the end (delta: 197.0 MB). Peak memory consumption was 431.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:08,411 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:16:08,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3317.07 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 903.2 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:08,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 3230.94 ms. Allocated memory is still 1.0 GB. Free memory was 903.2 MB in the beginning and 856.5 MB in the end (delta: 46.7 MB). Peak memory consumption was 281.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:08,421 INFO L168 Benchmark]: Boogie Preprocessor took 4995.10 ms. Allocated memory is still 1.0 GB. Free memory was 850.9 MB in the beginning and 764.7 MB in the end (delta: 86.1 MB). Peak memory consumption was 320.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:08,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 3317.07 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 903.2 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3230.94 ms. Allocated memory is still 1.0 GB. Free memory was 903.2 MB in the beginning and 856.5 MB in the end (delta: 46.7 MB). Peak memory consumption was 281.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4995.10 ms. Allocated memory is still 1.0 GB. Free memory was 850.9 MB in the beginning and 764.7 MB in the end (delta: 86.1 MB). Peak memory consumption was 320.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...