./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/n.c24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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.c24.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 c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.c24.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 c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:48,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:48,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:48,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:48,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:48,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:48,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:48,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:48,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:48,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:48,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:48,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:48,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:48,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:48,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:48,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:48,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:48,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:48,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:48,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:49,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:49,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:49,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:49,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:49,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:49,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:49,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:49,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:49,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:49,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:49,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:49,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:49,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:49,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:49,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:49,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:49,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:49,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:49,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:49,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:49,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:49,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:50:49,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:49,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:49,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:49,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:49,110 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:49,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:49,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:49,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:50:49,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:49,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:49,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:49,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:49,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:49,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:49,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:49,118 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:49,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:49,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:49,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:49,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:49,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:49,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:49,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:49,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:49,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:49,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:50:49,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:50:49,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:49,127 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 -> c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 [2019-11-27 09:50:49,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:49,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:49,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:49,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:49,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:49,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c24.i [2019-11-27 09:50:49,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a864b83/5a0f733437dc43ef98e949590bea9ec8/FLAG2d29415b0 [2019-11-27 09:50:50,993 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:50,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c24.i [2019-11-27 09:50:51,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a864b83/5a0f733437dc43ef98e949590bea9ec8/FLAG2d29415b0 [2019-11-27 09:50:51,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a864b83/5a0f733437dc43ef98e949590bea9ec8 [2019-11-27 09:50:51,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:51,070 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:51,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:51,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:51,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:51,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:51" (1/1) ... [2019-11-27 09:50:51,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a08f8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:51, skipping insertion in model container [2019-11-27 09:50:51,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:51" (1/1) ... [2019-11-27 09:50:51,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:51,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:51,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:51,916 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:52,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:52,111 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:52,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52 WrapperNode [2019-11-27 09:50:52,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:52,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:52,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:52,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:52,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:52,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:52,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:52,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:52,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:52" (1/1) ... [2019-11-27 09:50:52,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:52,345 INFO L168 Benchmark]: Toolchain (without parser) took 1278.06 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:52,362 INFO L168 Benchmark]: CDTParser took 1.53 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 09:50:52,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:52,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.03 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:52,370 INFO L168 Benchmark]: Boogie Preprocessor took 87.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:52,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 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 1039.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.03 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:50:56,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:50:56,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:50:56,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:50:56,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:50:56,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:50:56,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:50:56,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:50:56,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:50:56,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:50:56,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:50:56,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:50:56,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:50:56,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:50:56,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:50:56,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:50:56,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:50:56,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:50:56,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:50:56,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:50:56,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:50:56,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:50:56,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:50:56,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:50:56,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:50:56,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:50:56,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:50:56,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:50:56,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:50:56,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:50:56,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:50:56,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:50:56,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:50:56,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:50:56,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:50:56,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:50:56,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:50:56,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:50:56,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:50:56,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:50:56,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:50:56,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:50:56,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:50:56,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:50:56,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:50:56,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:50:56,401 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:50:56,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:50:56,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:50:56,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:50:56,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:50:56,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:50:56,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:50:56,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:50:56,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:50:56,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:50:56,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:50:56,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:50:56,409 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:50:56,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:50:56,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:50:56,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:50:56,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:50:56,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:50:56,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:50:56,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:50:56,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:50:56,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:50:56,414 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:50:56,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:50:56,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:50:56,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:50:56,418 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 -> c7051f9e5aad7cd3b184ebb58abdb9dd530114d3 [2019-11-27 09:50:57,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:50:57,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:50:57,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:50:57,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:50:57,081 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:50:57,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c24.i [2019-11-27 09:50:57,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc0f6a63/5f1d15cfc6de44f0a5772315a86a03ea/FLAG0b7b5e147 [2019-11-27 09:50:58,326 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:50:58,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c24.i [2019-11-27 09:50:58,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc0f6a63/5f1d15cfc6de44f0a5772315a86a03ea/FLAG0b7b5e147 [2019-11-27 09:50:58,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dc0f6a63/5f1d15cfc6de44f0a5772315a86a03ea [2019-11-27 09:50:58,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:50:58,547 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:50:58,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:58,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:50:58,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:50:58,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:58,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b775e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:58, skipping insertion in model container [2019-11-27 09:50:58,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:50:58" (1/1) ... [2019-11-27 09:50:58,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:50:58,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:50:59,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:59,375 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:50:59,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:50:59,589 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:50:59,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59 WrapperNode [2019-11-27 09:50:59,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:50:59,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:59,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:50:59,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:50:59,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:50:59,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:50:59,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:50:59,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:50:59,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:50:59" (1/1) ... [2019-11-27 09:50:59,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:50:59,814 INFO L168 Benchmark]: Toolchain (without parser) took 1262.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.2 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:59,816 INFO L168 Benchmark]: CDTParser took 2.48 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. [2019-11-27 09:50:59,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1043.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:50:59,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.00 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:59,826 INFO L168 Benchmark]: Boogie Preprocessor took 84.58 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:50:59,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 1043.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.00 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.58 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 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...