./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93723d11fabc868abe2828d024ca94192d43a8fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93723d11fabc868abe2828d024ca94192d43a8fd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:08:12,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:08:12,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:08:12,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:08:12,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:08:12,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:08:12,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:08:12,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:08:12,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:08:12,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:08:12,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:08:12,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:08:12,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:08:12,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:08:12,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:08:12,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:08:12,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:08:12,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:08:12,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:08:12,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:08:12,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:08:12,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:08:12,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:08:12,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:08:12,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:08:12,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:08:12,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:08:12,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:08:12,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:08:12,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:08:12,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:08:12,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:08:12,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:08:12,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:08:13,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:08:13,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:08:13,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:08:13,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:08:13,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:08:13,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:08:13,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:08:13,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:08:13,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:08:13,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:08:13,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:08:13,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:08:13,042 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:08:13,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:08:13,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:08:13,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:08:13,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:08:13,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:08:13,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:08:13,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:08:13,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:08:13,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:08:13,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:08:13,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:08:13,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:08:13,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:08:13,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:08:13,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:08:13,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:08:13,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:08:13,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:08:13,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:08:13,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:08:13,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:08:13,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:08:13,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:08:13,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93723d11fabc868abe2828d024ca94192d43a8fd [2019-11-25 23:08:13,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:08:13,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:08:13,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:08:13,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:08:13,546 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:08:13,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-25 23:08:13,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9437c6bea/d9a12d21bbf94651a1d177f613f182a4/FLAGd1015103c [2019-11-25 23:08:14,681 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:08:14,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-25 23:08:14,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9437c6bea/d9a12d21bbf94651a1d177f613f182a4/FLAGd1015103c [2019-11-25 23:08:15,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9437c6bea/d9a12d21bbf94651a1d177f613f182a4 [2019-11-25 23:08:15,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:08:15,217 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:08:15,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:15,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:08:15,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:08:15,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:15" (1/1) ... [2019-11-25 23:08:15,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:15, skipping insertion in model container [2019-11-25 23:08:15,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:15" (1/1) ... [2019-11-25 23:08:15,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:08:15,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:08:16,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:16,560 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:08:16,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:17,002 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:08:17,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17 WrapperNode [2019-11-25 23:08:17,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:17,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:17,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:08:17,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:08:17,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:17,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:19,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:19,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:08:19,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:08:19,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:08:19,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:19,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:20,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:20,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:22,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:22,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:23,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:17" (1/1) ... [2019-11-25 23:08:23,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:08:23,688 INFO L168 Benchmark]: Toolchain (without parser) took 8465.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 556.4 MB in the end (delta: 403.8 MB). Peak memory consumption was 447.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:23,689 INFO L168 Benchmark]: CDTParser took 0.60 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. [2019-11-25 23:08:23,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1785.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 914.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:23,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 2779.39 ms. Allocated memory is still 1.0 GB. Free memory was 914.5 MB in the beginning and 733.7 MB in the end (delta: 180.8 MB). Peak memory consumption was 300.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:23,697 INFO L168 Benchmark]: Boogie Preprocessor took 3890.22 ms. Allocated memory is still 1.0 GB. Free memory was 733.7 MB in the beginning and 556.4 MB in the end (delta: 177.2 MB). Peak memory consumption was 221.2 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:23,704 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 1785.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 914.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2779.39 ms. Allocated memory is still 1.0 GB. Free memory was 914.5 MB in the beginning and 733.7 MB in the end (delta: 180.8 MB). Peak memory consumption was 300.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 3890.22 ms. Allocated memory is still 1.0 GB. Free memory was 733.7 MB in the beginning and 556.4 MB in the end (delta: 177.2 MB). Peak memory consumption was 221.2 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 0.1.24-65d6cd2 [2019-11-25 23:08:26,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:08:26,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:08:26,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:08:26,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:08:26,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:08:26,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:08:26,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:08:26,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:08:26,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:08:26,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:08:26,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:08:26,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:08:26,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:08:26,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:08:26,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:08:26,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:08:26,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:08:26,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:08:26,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:08:26,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:08:26,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:08:26,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:08:26,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:08:26,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:08:26,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:08:26,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:08:26,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:08:26,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:08:26,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:08:26,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:08:26,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:08:26,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:08:26,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:08:26,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:08:26,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:08:26,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:08:26,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:08:26,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:08:26,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:08:26,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:08:26,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:08:26,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:08:26,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:08:26,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:08:26,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:08:26,690 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:08:26,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:08:26,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:08:26,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:08:26,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:08:26,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:08:26,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:08:26,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:08:26,695 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:08:26,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:08:26,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:08:26,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:08:26,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:08:26,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:08:26,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:08:26,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:08:26,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:08:26,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:08:26,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:08:26,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:08:26,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:08:26,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:08:26,702 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:08:26,703 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:08:26,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:08:26,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:08:26,704 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93723d11fabc868abe2828d024ca94192d43a8fd [2019-11-25 23:08:27,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:08:27,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:08:27,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:08:27,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:08:27,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:08:27,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-25 23:08:27,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa4d6c95/9853153d6f814afc931fe6d74fb5c5f5/FLAGffc8d5a59 [2019-11-25 23:08:28,329 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:08:28,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-25 23:08:28,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa4d6c95/9853153d6f814afc931fe6d74fb5c5f5/FLAGffc8d5a59 [2019-11-25 23:08:28,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa4d6c95/9853153d6f814afc931fe6d74fb5c5f5 [2019-11-25 23:08:28,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:08:28,883 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:08:28,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:28,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:08:28,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:08:28,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:28" (1/1) ... [2019-11-25 23:08:28,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7825ed55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:28, skipping insertion in model container [2019-11-25 23:08:28,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:08:28" (1/1) ... [2019-11-25 23:08:28,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:08:29,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:08:30,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:30,437 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:08:30,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:08:30,974 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:08:30,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30 WrapperNode [2019-11-25 23:08:30,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:08:30,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:30,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:08:30,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:08:30,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:31,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:33,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:08:33,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:08:33,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:08:33,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:08:33,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:33,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:34,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:34,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:36,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:36,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:37,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:08:30" (1/1) ... [2019-11-25 23:08:37,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:08:37,683 INFO L168 Benchmark]: Toolchain (without parser) took 8796.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 541.8 MB in the end (delta: 411.3 MB). Peak memory consumption was 432.1 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:37,684 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-25 23:08:37,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2092.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 891.5 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:37,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 2511.60 ms. Allocated memory is still 1.0 GB. Free memory was 891.5 MB in the beginning and 756.9 MB in the end (delta: 134.6 MB). Peak memory consumption was 271.3 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:37,693 INFO L168 Benchmark]: Boogie Preprocessor took 4182.75 ms. Allocated memory is still 1.0 GB. Free memory was 756.9 MB in the beginning and 541.8 MB in the end (delta: 215.1 MB). Peak memory consumption was 235.9 MB. Max. memory is 12.5 GB. [2019-11-25 23:08:37,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 2092.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 891.5 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2511.60 ms. Allocated memory is still 1.0 GB. Free memory was 891.5 MB in the beginning and 756.9 MB in the end (delta: 134.6 MB). Peak memory consumption was 271.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4182.75 ms. Allocated memory is still 1.0 GB. Free memory was 756.9 MB in the beginning and 541.8 MB in the end (delta: 215.1 MB). Peak memory consumption was 235.9 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...