./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i -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 62c4ef61e71a10dc12b16c6d3735742caad6a1ec ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-lopstr16/flag_loopdep_simple.i -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 62c4ef61e71a10dc12b16c6d3735742caad6a1ec ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:30:57,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:57,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:57,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:57,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:57,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:57,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:57,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:57,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:57,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:57,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:57,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:57,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:57,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:57,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:57,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:57,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:57,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:57,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:57,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:57,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:57,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:57,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:57,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:57,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:57,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:57,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:57,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:57,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:57,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:57,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:57,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:57,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:57,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:57,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:57,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:58,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:58,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:58,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:58,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:58,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:58,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:30:58,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:58,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:58,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:58,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:58,075 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:58,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:58,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:58,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:30:58,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:58,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:58,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:58,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:58,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:58,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:58,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:58,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:58,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:58,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:58,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:58,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:58,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:58,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:58,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:58,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:58,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:58,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:30:58,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:30:58,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:58,094 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 -> 62c4ef61e71a10dc12b16c6d3735742caad6a1ec [2019-11-26 16:30:58,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:58,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:58,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:58,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:58,739 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:58,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-26 16:30:58,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36be390d/67a84712fe10405c989ddf2218d38c8d/FLAG72c64840d [2019-11-26 16:31:00,022 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:00,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-26 16:31:00,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36be390d/67a84712fe10405c989ddf2218d38c8d/FLAG72c64840d [2019-11-26 16:31:00,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36be390d/67a84712fe10405c989ddf2218d38c8d [2019-11-26 16:31:00,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:00,090 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:00,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:00,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:00,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:00,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00, skipping insertion in model container [2019-11-26 16:31:00,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:00,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:00,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:00,635 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:00,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:00,715 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:00,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00 WrapperNode [2019-11-26 16:31:00,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:00,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:00,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:00,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:00,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:00,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:00,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:00,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:00,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:00" (1/1) ... [2019-11-26 16:31:00,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:00,972 INFO L168 Benchmark]: Toolchain (without parser) took 875.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-26 16:31:00,974 INFO L168 Benchmark]: CDTParser took 3.92 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:00,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.98 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. [2019-11-26 16:31:00,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.37 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:00,997 INFO L168 Benchmark]: Boogie Preprocessor took 68.33 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. [2019-11-26 16:31:01,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.92 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 619.98 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 171.37 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: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.33 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:31:05,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:05,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:05,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:05,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:05,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:05,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:05,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:05,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:05,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:05,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:05,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:05,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:05,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:05,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:05,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:05,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:05,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:05,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:05,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:05,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:05,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:05,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:05,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:05,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:05,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:05,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:05,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:05,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:05,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:05,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:05,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:05,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:05,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:05,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:05,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:05,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:05,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:05,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:05,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:05,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:05,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:31:05,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:05,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:05,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:05,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:05,269 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:05,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:05,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:05,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:05,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:05,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:05,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:05,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:05,277 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:31:05,278 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:31:05,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:05,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:05,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:05,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:05,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:05,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:05,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:05,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:05,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:05,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:05,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:05,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:05,286 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:31:05,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:31:05,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:05,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:31:05,290 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 -> 62c4ef61e71a10dc12b16c6d3735742caad6a1ec [2019-11-26 16:31:05,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:05,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:05,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:05,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:05,952 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:05,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-26 16:31:06,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cd7621d/4a9b43f32b1a41a5bb6b1ebfe5391d97/FLAG63f97da50 [2019-11-26 16:31:07,231 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:07,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/flag_loopdep_simple.i [2019-11-26 16:31:07,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cd7621d/4a9b43f32b1a41a5bb6b1ebfe5391d97/FLAG63f97da50 [2019-11-26 16:31:07,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4cd7621d/4a9b43f32b1a41a5bb6b1ebfe5391d97 [2019-11-26 16:31:07,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:07,302 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:07,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:07,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:07,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:07,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:07" (1/1) ... [2019-11-26 16:31:07,327 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 26.11 04:31:07, skipping insertion in model container [2019-11-26 16:31:07,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:07" (1/1) ... [2019-11-26 16:31:07,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:07,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:07,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:07,909 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:07,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:08,155 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:08,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08 WrapperNode [2019-11-26 16:31:08,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:08,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:08,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:08,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:08,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:08,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:08,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:08,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:08,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:08" (1/1) ... [2019-11-26 16:31:08,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:08,340 INFO L168 Benchmark]: Toolchain (without parser) took 1034.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:08,344 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:08,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:08,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.62 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:08,352 INFO L168 Benchmark]: Boogie Preprocessor took 78.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:08,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 854.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 91.62 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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...