./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test07.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/test07.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 3fb4305112f4412dd538a0b9d1d1441504f2d55d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/test07.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 3fb4305112f4412dd538a0b9d1d1441504f2d55d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:10:44,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:44,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:44,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:44,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:44,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:44,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:44,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:44,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:44,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:44,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:44,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:44,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:44,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:44,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:44,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:44,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:44,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:44,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:44,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:44,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:44,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:44,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:44,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:44,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:44,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:44,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:44,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:44,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:44,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:44,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:44,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:44,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:44,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:44,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:44,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:44,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:44,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:44,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:44,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:44,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:44,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:44,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:44,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:44,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:44,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:44,922 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:44,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:44,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:44,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:44,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:44,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:44,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:44,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:44,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:44,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:44,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:44,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:44,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:44,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:44,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:44,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:44,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:44,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:44,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:44,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:44,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:44,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:44,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:44,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:44,941 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 -> 3fb4305112f4412dd538a0b9d1d1441504f2d55d [2019-11-27 16:10:45,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:45,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:45,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:45,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:45,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:45,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 16:10:45,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7475f5a46/bb03f572b31b45a6bd6f0e8738c34ace/FLAG3868b2823 [2019-11-27 16:10:46,829 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:46,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 16:10:46,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7475f5a46/bb03f572b31b45a6bd6f0e8738c34ace/FLAG3868b2823 [2019-11-27 16:10:46,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7475f5a46/bb03f572b31b45a6bd6f0e8738c34ace [2019-11-27 16:10:46,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:46,904 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:46,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:46,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:46,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:46,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:46" (1/1) ... [2019-11-27 16:10:46,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:46, skipping insertion in model container [2019-11-27 16:10:46,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:46" (1/1) ... [2019-11-27 16:10:46,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:47,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:47,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:47,520 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:47,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:47,606 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47 WrapperNode [2019-11-27 16:10:47,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:47,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:47,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:47,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:47,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:47,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:47,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:47,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:47,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:47" (1/1) ... [2019-11-27 16:10:47,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:47,901 INFO L168 Benchmark]: Toolchain (without parser) took 991.84 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 16:10:47,905 INFO L168 Benchmark]: CDTParser took 0.39 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 16:10:47,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.44 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:47,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:47,918 INFO L168 Benchmark]: Boogie Preprocessor took 82.67 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:47,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 708.44 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 195.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.67 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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 0.1.24-509859d [2019-11-27 16:10:51,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:51,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:51,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:51,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:51,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:51,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:51,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:51,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:51,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:51,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:51,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:51,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:51,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:51,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:51,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:51,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:51,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:51,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:51,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:51,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:52,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:52,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:52,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:52,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:52,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:52,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:52,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:52,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:52,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:52,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:52,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:52,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:52,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:52,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:52,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:52,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:52,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:52,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:52,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:52,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:52,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:52,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:52,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:52,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:52,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:52,101 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:52,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:52,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:52,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:52,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:52,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:52,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:52,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:52,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:52,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:52,108 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:52,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:52,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:52,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:52,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:52,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:52,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:52,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:52,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:52,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:52,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:52,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:52,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:52,117 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:52,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:52,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:52,119 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 -> 3fb4305112f4412dd538a0b9d1d1441504f2d55d [2019-11-27 16:10:52,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:52,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:52,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:52,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:52,757 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:52,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 16:10:52,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b821bad99/3ade14a307cb4c6ea590cdaf7bcca45f/FLAG7c640b131 [2019-11-27 16:10:53,983 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:53,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test07.c [2019-11-27 16:10:53,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b821bad99/3ade14a307cb4c6ea590cdaf7bcca45f/FLAG7c640b131 [2019-11-27 16:10:54,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b821bad99/3ade14a307cb4c6ea590cdaf7bcca45f [2019-11-27 16:10:54,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:54,056 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:54,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:54,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:54,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:54,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:54,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c63881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54, skipping insertion in model container [2019-11-27 16:10:54,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:54,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:54,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:54,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:54,678 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:54,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:54,762 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:54,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54 WrapperNode [2019-11-27 16:10:54,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:54,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:54,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:54,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:54,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:54,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:54,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:54,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:54,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:54,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:55,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:54" (1/1) ... [2019-11-27 16:10:55,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:55,084 INFO L168 Benchmark]: Toolchain (without parser) took 1021.01 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:55,086 INFO L168 Benchmark]: CDTParser took 0.44 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 16:10:55,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:55,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 206.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:55,097 INFO L168 Benchmark]: Boogie Preprocessor took 89.03 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:55,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 701.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 206.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 89.03 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...