./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash ed058acb9f83e69cc6691b0ef9c3c21df173e2da ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash ed058acb9f83e69cc6691b0ef9c3c21df173e2da .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:17:29,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:17:29,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:17:29,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:17:29,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:17:29,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:17:29,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:17:29,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:17:29,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:17:29,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:17:29,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:17:29,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:17:29,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:17:29,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:17:29,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:17:29,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:17:29,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:17:29,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:17:29,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:17:29,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:17:29,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:17:29,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:17:29,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:17:29,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:17:29,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:17:29,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:17:29,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:17:29,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:17:29,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:17:29,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:17:29,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:17:29,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:17:29,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:17:29,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:17:29,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:17:29,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:17:29,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:17:29,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:17:29,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:17:29,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:17:29,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:17:29,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 11:17:29,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:17:29,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:17:29,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:17:29,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:17:29,636 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:17:29,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:17:29,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:17:29,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:17:29,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:17:29,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:17:29,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:17:29,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:17:29,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:17:29,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:17:29,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:17:29,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:17:29,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:17:29,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:17:29,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:17:29,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:17:29,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:17:29,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:17:29,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:17:29,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:17:29,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:17:29,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:17:29,655 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed058acb9f83e69cc6691b0ef9c3c21df173e2da [2019-11-27 11:17:30,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:17:30,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:17:30,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:17:30,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:17:30,286 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:17:30,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-11-27 11:17:30,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187a5a564/b86fc61849b947cfa6692d33dc9467f2/FLAG7ec9f30e5 [2019-11-27 11:17:32,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:17:32,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-11-27 11:17:32,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187a5a564/b86fc61849b947cfa6692d33dc9467f2/FLAG7ec9f30e5 [2019-11-27 11:17:32,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187a5a564/b86fc61849b947cfa6692d33dc9467f2 [2019-11-27 11:17:32,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:17:32,848 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:17:32,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:17:32,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:17:32,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:17:32,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:32" (1/1) ... [2019-11-27 11:17:32,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:32, skipping insertion in model container [2019-11-27 11:17:32,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:32" (1/1) ... [2019-11-27 11:17:32,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:17:33,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:17:47,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:17:47,910 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:17:49,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:17:52,537 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:17:52,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52 WrapperNode [2019-11-27 11:17:52,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:17:52,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:17:52,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:17:52,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:17:52,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:52,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:54,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:17:54,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:17:54,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:17:54,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:17:54,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:54,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:54,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:54,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:55,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:55,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:55,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:52" (1/1) ... [2019-11-27 11:17:56,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:17:56,079 INFO L168 Benchmark]: Toolchain (without parser) took 23225.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 751.5 MB in the end (delta: 192.8 MB). Peak memory consumption was 192.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:17:56,080 INFO L168 Benchmark]: CDTParser took 1.80 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 11:17:56,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 19691.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 738.6 MB in the end (delta: 205.8 MB). Peak memory consumption was 317.1 MB. Max. memory is 12.5 GB. [2019-11-27 11:17:56,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 1632.41 ms. Allocated memory is still 1.0 GB. Free memory was 738.6 MB in the beginning and 870.1 MB in the end (delta: -131.5 MB). Peak memory consumption was 109.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:17:56,094 INFO L168 Benchmark]: Boogie Preprocessor took 1885.40 ms. Allocated memory is still 1.0 GB. Free memory was 870.1 MB in the beginning and 751.5 MB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:17:56,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 19691.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.4 MB in the beginning and 738.6 MB in the end (delta: 205.8 MB). Peak memory consumption was 317.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1632.41 ms. Allocated memory is still 1.0 GB. Free memory was 738.6 MB in the beginning and 870.1 MB in the end (delta: -131.5 MB). Peak memory consumption was 109.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1885.40 ms. Allocated memory is still 1.0 GB. Free memory was 870.1 MB in the beginning and 751.5 MB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 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-da95e15 [2019-11-27 11:18:00,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:18:00,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:18:00,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:18:00,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:18:00,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:18:00,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:18:00,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:18:00,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:18:00,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:18:00,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:18:00,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:18:00,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:18:00,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:18:00,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:18:00,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:18:00,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:18:00,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:18:00,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:18:00,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:18:00,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:18:00,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:18:00,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:18:00,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:18:00,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:18:00,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:18:00,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:18:00,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:18:00,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:18:00,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:18:00,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:18:00,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:18:00,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:18:00,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:18:00,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:18:00,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:18:00,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:18:00,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:18:00,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:18:00,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:18:00,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:18:00,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 11:18:00,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:18:00,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:18:00,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:18:00,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:18:00,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:18:00,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:18:00,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:18:00,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 11:18:00,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:18:00,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 11:18:00,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:18:00,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:18:00,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 11:18:00,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:18:00,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 11:18:00,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:18:00,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:18:00,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:18:00,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:18:00,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:18:00,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:18:00,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:18:00,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 11:18:00,569 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:18:00,572 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:18:00,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 11:18:00,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:18:00,573 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 11:18:00,573 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed058acb9f83e69cc6691b0ef9c3c21df173e2da [2019-11-27 11:18:01,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:18:01,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:18:01,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:18:01,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:18:01,268 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:18:01,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-11-27 11:18:01,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbd98acd/c597b08179d84351a770daa5185f43e8/FLAGde81a03c2 [2019-11-27 11:18:03,676 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:18:03,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2019-11-27 11:18:03,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbd98acd/c597b08179d84351a770daa5185f43e8/FLAGde81a03c2 [2019-11-27 11:18:03,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbd98acd/c597b08179d84351a770daa5185f43e8 [2019-11-27 11:18:03,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:18:03,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 11:18:03,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:18:03,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:18:03,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:18:03,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:18:03" (1/1) ... [2019-11-27 11:18:03,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:03, skipping insertion in model container [2019-11-27 11:18:03,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:18:03" (1/1) ... [2019-11-27 11:18:03,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:18:04,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:18:16,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:18:16,779 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:18:18,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:18:21,499 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:18:21,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21 WrapperNode [2019-11-27 11:18:21,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:18:21,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 11:18:21,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 11:18:21,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 11:18:21,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:21,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:22,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 11:18:22,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:18:22,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:18:22,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:18:23,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:23,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:23,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:23,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:24,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:24,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:24,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21" (1/1) ... [2019-11-27 11:18:24,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:18:24,476 INFO L168 Benchmark]: Toolchain (without parser) took 20559.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 681.4 MB in the end (delta: 268.7 MB). Peak memory consumption was 268.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:18:24,477 INFO L168 Benchmark]: CDTParser took 0.31 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 11:18:24,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 17583.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 934.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 315.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:18:24,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 1480.48 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 803.9 MB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:18:24,483 INFO L168 Benchmark]: Boogie Preprocessor took 1485.43 ms. Allocated memory is still 1.0 GB. Free memory was 803.9 MB in the beginning and 681.4 MB in the end (delta: 122.5 MB). Peak memory consumption was 122.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:18:24,495 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 17583.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 934.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 315.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1480.48 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 803.9 MB in the end (delta: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1485.43 ms. Allocated memory is still 1.0 GB. Free memory was 803.9 MB in the beginning and 681.4 MB in the end (delta: 122.5 MB). Peak memory consumption was 122.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...