./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/n.c40.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 e954357898f010ea28e7deb5d5a1ae907cf090e4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loops/n.c40.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 e954357898f010ea28e7deb5d5a1ae907cf090e4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:46,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:46,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:46,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:46,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:46,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:46,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:46,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:46,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:46,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:46,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:46,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:46,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:46,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:46,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:46,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:46,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:46,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:46,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:46,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:46,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:46,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:46,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:47,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:47,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:47,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:47,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:47,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:47,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:47,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:47,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:47,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:47,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:47,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:47,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:47,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:47,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:47,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:47,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:47,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:47,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:47,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:47,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:47,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:47,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:47,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:47,097 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:47,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:47,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:47,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:47,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:47,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:47,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:47,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:47,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:47,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:47,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:47,105 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:47,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:47,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:47,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:47,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:47,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:47,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:47,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:47,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:47,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:47,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:47,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:47,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:47,112 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 -> e954357898f010ea28e7deb5d5a1ae907cf090e4 [2019-11-25 22:55:47,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:47,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:47,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:47,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:47,779 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:47,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c40.c [2019-11-25 22:55:47,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0177909/09943cba763348bcada6b0990010e9de/FLAG2f624355d [2019-11-25 22:55:48,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:48,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c [2019-11-25 22:55:48,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0177909/09943cba763348bcada6b0990010e9de/FLAG2f624355d [2019-11-25 22:55:49,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0177909/09943cba763348bcada6b0990010e9de [2019-11-25 22:55:49,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:49,045 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:49,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:49,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:49,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:49,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49, skipping insertion in model container [2019-11-25 22:55:49,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:49,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:49,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:49,601 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:49,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:49,814 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:49,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49 WrapperNode [2019-11-25 22:55:49,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:49,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:49,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:49,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:49,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:49,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:49,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:49,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:49,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:49,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:50,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:49" (1/1) ... [2019-11-25 22:55:50,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:50,032 INFO L168 Benchmark]: Toolchain (without parser) took 982.22 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. [2019-11-25 22:55:50,038 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:50,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.70 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:50,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.54 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. [2019-11-25 22:55:50,049 INFO L168 Benchmark]: Boogie Preprocessor took 103.18 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. [2019-11-25 22:55:50,060 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 770.70 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.54 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 103.18 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 0.1.24-65d6cd2 [2019-11-25 22:55:53,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:53,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:53,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:53,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:54,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:54,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:54,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:54,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:54,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:54,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:54,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:54,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:54,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:54,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:54,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:54,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:54,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:54,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:54,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:54,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:54,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:54,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:54,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:54,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:54,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:54,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:54,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:54,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:54,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:54,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:54,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:54,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:54,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:54,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:54,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:54,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:54,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:54,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:54,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:54,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:54,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:54,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:54,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:54,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:54,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:54,194 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:54,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:54,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:54,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:54,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:54,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:54,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:54,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:54,200 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:54,202 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:54,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:54,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:54,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:54,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:54,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:54,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:54,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:54,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:54,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:54,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:54,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:54,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:54,209 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:54,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:54,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:54,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:54,212 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 -> e954357898f010ea28e7deb5d5a1ae907cf090e4 [2019-11-25 22:55:54,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:54,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:54,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:54,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:54,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:54,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c40.c [2019-11-25 22:55:54,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd61b70a2/a9fea21bcabd4069bda4635d34c31942/FLAG48e69e0ab [2019-11-25 22:55:56,061 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:56,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c40.c [2019-11-25 22:55:56,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd61b70a2/a9fea21bcabd4069bda4635d34c31942/FLAG48e69e0ab [2019-11-25 22:55:56,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd61b70a2/a9fea21bcabd4069bda4635d34c31942 [2019-11-25 22:55:56,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:56,131 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:56,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:56,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:56,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:56,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56, skipping insertion in model container [2019-11-25 22:55:56,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:56,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:56,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:56,731 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:56,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:56,942 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:56,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56 WrapperNode [2019-11-25 22:55:56,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:56,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:56,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:56,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:56,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:56,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:57,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:57,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:57,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:57,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:56" (1/1) ... [2019-11-25 22:55:57,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:57,139 INFO L168 Benchmark]: Toolchain (without parser) took 1004.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-25 22:55:57,141 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:57,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.56 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 1.0 GB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:57,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.06 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 991.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:57,151 INFO L168 Benchmark]: Boogie Preprocessor took 92.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:57,161 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 808.56 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 1.0 GB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 93.06 ms. Allocated memory is still 1.0 GB. Free memory was 1.0 GB in the beginning and 991.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.90 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...