./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test27-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/ldv-regression/test27-2.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 dfe25ce750efb74d780ec4e5d4c6de923e91c57e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/test27-2.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 dfe25ce750efb74d780ec4e5d4c6de923e91c57e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:57,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:57,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:57,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:57,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:57,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:57,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:57,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:57,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:57,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:57,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:57,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:57,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:57,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:57,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:57,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:57,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:57,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:57,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:57,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:58,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:58,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:58,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:58,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:58,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:58,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:58,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:58,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:58,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:58,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:58,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:58,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:58,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:58,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:58,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:58,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:58,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:58,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:58,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:58,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:58,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:58,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:58,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:58,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:58,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:58,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:58,106 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:58,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:58,108 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:58,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:58,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:58,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:58,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:58,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:58,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:58,114 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:58,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:58,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:58,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:58,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:58,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:58,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:58,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:58,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:58,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:58,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:58,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:58,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:58,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:58,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:58,122 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 -> dfe25ce750efb74d780ec4e5d4c6de923e91c57e [2019-11-27 16:10:58,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:58,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:58,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:58,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:58,718 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:58,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 16:10:58,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d11dcfb/cbeea96b998c4b3aadac86aa654848b8/FLAGf33c8d3b4 [2019-11-27 16:10:59,926 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:59,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 16:10:59,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d11dcfb/cbeea96b998c4b3aadac86aa654848b8/FLAGf33c8d3b4 [2019-11-27 16:10:59,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d11dcfb/cbeea96b998c4b3aadac86aa654848b8 [2019-11-27 16:10:59,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:59,995 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:59,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:59,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:00,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:00,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:59" (1/1) ... [2019-11-27 16:11:00,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f184169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00, skipping insertion in model container [2019-11-27 16:11:00,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:59" (1/1) ... [2019-11-27 16:11:00,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:00,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:00,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:00,627 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:00,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:00,831 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:00,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00 WrapperNode [2019-11-27 16:11:00,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:00,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:00,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:00,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:00,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:00,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:00,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:00,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:00,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:00,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:00,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:00,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:00,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:00,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:01,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:01,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:01,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:00" (1/1) ... [2019-11-27 16:11:01,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:01,056 INFO L168 Benchmark]: Toolchain (without parser) took 1058.09 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:01,062 INFO L168 Benchmark]: CDTParser took 3.52 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. [2019-11-27 16:11:01,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.11 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:01,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:01,082 INFO L168 Benchmark]: Boogie Preprocessor took 82.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:01,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.52 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 840.11 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.49 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. 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 0.1.24-509859d [2019-11-27 16:11:04,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:04,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:04,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:04,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:04,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:04,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:04,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:04,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:04,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:04,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:04,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:04,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:04,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:04,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:04,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:04,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:04,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:04,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:04,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:04,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:04,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:04,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:04,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:04,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:04,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:04,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:04,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:04,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:04,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:04,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:04,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:04,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:04,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:04,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:04,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:04,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:04,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:04,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:04,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:04,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:04,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:05,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:05,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:05,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:05,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:05,025 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:05,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:05,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:05,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:05,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:05,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:05,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:05,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:05,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:05,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:05,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:05,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:05,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:05,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:05,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:05,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:05,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:05,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:05,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:05,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:05,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:05,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:05,039 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:05,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:05,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:05,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:05,044 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 -> dfe25ce750efb74d780ec4e5d4c6de923e91c57e [2019-11-27 16:11:05,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:05,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:05,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:05,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:05,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:05,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 16:11:05,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96add93be/57108549cb624dc49a56877ced8949c5/FLAGbaa8a1a7c [2019-11-27 16:11:06,898 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:06,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 16:11:06,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96add93be/57108549cb624dc49a56877ced8949c5/FLAGbaa8a1a7c [2019-11-27 16:11:07,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96add93be/57108549cb624dc49a56877ced8949c5 [2019-11-27 16:11:07,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:07,158 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:07,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:07,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:07,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:07,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:07,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b733779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07, skipping insertion in model container [2019-11-27 16:11:07,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:07,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:07,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:07,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:07,797 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:07,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:07,984 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:07,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07 WrapperNode [2019-11-27 16:11:07,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:07,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:07,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:07,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:08,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:08,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:08,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:08,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:08,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:07" (1/1) ... [2019-11-27 16:11:08,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:08,210 INFO L168 Benchmark]: Toolchain (without parser) took 1047.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.8 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:08,211 INFO L168 Benchmark]: CDTParser took 0.54 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. [2019-11-27 16:11:08,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.26 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 991.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:08,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.64 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:08,218 INFO L168 Benchmark]: Boogie Preprocessor took 83.55 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:08,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 813.26 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 991.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 132.64 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.55 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...