./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.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 41cf6e5af9a6fb11a15e06ddeec018a8942ee329 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.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 41cf6e5af9a6fb11a15e06ddeec018a8942ee329 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:17:55,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:17:55,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:17:55,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:17:55,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:17:55,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:17:55,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:17:55,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:17:55,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:17:55,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:17:55,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:17:55,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:17:55,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:17:55,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:17:55,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:17:55,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:17:55,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:17:55,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:17:55,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:17:55,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:17:55,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:17:55,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:17:55,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:17:55,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:17:55,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:17:55,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:17:55,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:17:55,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:17:55,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:17:55,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:17:55,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:17:55,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:17:55,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:17:55,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:17:55,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:17:55,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:17:55,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:17:55,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:17:55,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:17:55,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:17:55,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:17:55,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 17:17:55,818 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:17:55,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:17:55,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:17:55,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:17:55,829 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:17:55,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:17:55,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:17:55,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:17:55,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:17:55,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:17:55,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:17:55,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:17:55,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:17:55,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:17:55,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:17:55,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:17:55,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:17:55,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:17:55,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:17:55,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:17:55,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:17:55,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:17:55,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:17:55,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:17:55,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:17:55,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:17:55,844 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 -> 41cf6e5af9a6fb11a15e06ddeec018a8942ee329 [2019-11-27 17:17:56,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:17:56,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:17:56,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:17:56,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:17:56,548 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:17:56,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-27 17:17:56,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d0eeac5/d95bbb4fbbfb49ffb697f27512542475/FLAG4013e89ac [2019-11-27 17:17:58,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:17:58,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-27 17:17:58,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d0eeac5/d95bbb4fbbfb49ffb697f27512542475/FLAG4013e89ac [2019-11-27 17:17:58,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d0eeac5/d95bbb4fbbfb49ffb697f27512542475 [2019-11-27 17:17:58,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:17:58,918 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:17:58,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:17:58,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:17:58,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:17:58,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:17:58" (1/1) ... [2019-11-27 17:17:58,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c123ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:17:58, skipping insertion in model container [2019-11-27 17:17:58,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:17:58" (1/1) ... [2019-11-27 17:17:58,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:17:59,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:18:05,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:18:05,178 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:18:06,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:18:07,855 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:18:07,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07 WrapperNode [2019-11-27 17:18:07,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:18:07,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:18:07,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:18:07,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:18:07,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:08,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:09,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:18:09,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:18:09,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:18:09,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:18:09,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:09,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:09,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:09,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:11,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:11,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:12,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:07" (1/1) ... [2019-11-27 17:18:12,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:18:12,358 INFO L168 Benchmark]: Toolchain (without parser) took 13434.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 743.6 MB in the end (delta: 201.0 MB). Peak memory consumption was 350.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:12,361 INFO L168 Benchmark]: CDTParser took 0.87 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 17:18:12,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8937.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 880.7 MB in the end (delta: 63.8 MB). Peak memory consumption was 269.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:12,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 1610.03 ms. Allocated memory is still 1.0 GB. Free memory was 880.7 MB in the beginning and 713.6 MB in the end (delta: 167.1 MB). Peak memory consumption was 167.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:12,374 INFO L168 Benchmark]: Boogie Preprocessor took 2878.62 ms. Allocated memory is still 1.0 GB. Free memory was 713.6 MB in the beginning and 743.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 119.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:12,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 8937.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 880.7 MB in the end (delta: 63.8 MB). Peak memory consumption was 269.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1610.03 ms. Allocated memory is still 1.0 GB. Free memory was 880.7 MB in the beginning and 713.6 MB in the end (delta: 167.1 MB). Peak memory consumption was 167.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2878.62 ms. Allocated memory is still 1.0 GB. Free memory was 713.6 MB in the beginning and 743.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 119.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:18:16,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:18:16,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:18:16,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:18:16,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:18:16,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:18:16,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:18:16,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:18:16,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:18:16,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:18:16,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:18:16,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:18:16,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:18:16,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:18:16,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:18:16,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:18:16,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:18:16,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:18:16,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:18:16,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:18:16,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:18:16,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:18:16,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:18:16,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:18:16,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:18:16,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:18:16,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:18:16,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:18:16,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:18:16,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:18:16,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:18:16,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:18:16,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:18:16,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:18:16,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:18:16,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:18:16,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:18:16,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:18:16,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:18:16,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:18:16,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:18:16,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 17:18:16,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:18:16,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:18:16,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:18:16,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:18:16,759 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:18:16,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:18:16,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:18:16,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 17:18:16,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:18:16,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 17:18:16,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:18:16,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:18:16,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 17:18:16,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:18:16,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 17:18:16,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:18:16,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:18:16,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:18:16,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:18:16,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:18:16,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:18:16,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:18:16,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 17:18:16,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:18:16,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:18:16,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 17:18:16,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:18:16,777 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 17:18:16,777 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 -> 41cf6e5af9a6fb11a15e06ddeec018a8942ee329 [2019-11-27 17:18:17,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:18:17,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:18:17,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:18:17,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:18:17,439 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:18:17,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-27 17:18:17,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69307cc8a/ff2cb089286946f19d04823adc421dc5/FLAGcc85c2a9b [2019-11-27 17:18:19,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:18:19,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2019-11-27 17:18:19,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69307cc8a/ff2cb089286946f19d04823adc421dc5/FLAGcc85c2a9b [2019-11-27 17:18:19,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69307cc8a/ff2cb089286946f19d04823adc421dc5 [2019-11-27 17:18:19,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:18:19,792 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 17:18:19,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:18:19,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:18:19,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:18:19,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:18:19" (1/1) ... [2019-11-27 17:18:19,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c123ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:19, skipping insertion in model container [2019-11-27 17:18:19,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:18:19" (1/1) ... [2019-11-27 17:18:19,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:18:20,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:18:26,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:18:26,425 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:18:27,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:18:29,149 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:18:29,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29 WrapperNode [2019-11-27 17:18:29,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:18:29,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 17:18:29,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 17:18:29,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 17:18:29,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:29,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:30,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 17:18:30,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:18:30,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:18:30,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:18:30,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:30,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:31,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:31,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:32,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:33,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:33,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:18:29" (1/1) ... [2019-11-27 17:18:33,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:18:33,719 INFO L168 Benchmark]: Toolchain (without parser) took 13925.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 718.3 MB in the end (delta: 231.9 MB). Peak memory consumption was 342.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:33,726 INFO L168 Benchmark]: CDTParser took 0.40 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 17:18:33,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9357.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 846.5 MB in the end (delta: 103.7 MB). Peak memory consumption was 276.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:33,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 1705.39 ms. Allocated memory is still 1.0 GB. Free memory was 846.5 MB in the beginning and 685.6 MB in the end (delta: 161.0 MB). Peak memory consumption was 161.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:33,733 INFO L168 Benchmark]: Boogie Preprocessor took 2854.11 ms. Allocated memory is still 1.0 GB. Free memory was 685.6 MB in the beginning and 718.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 78.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:18:33,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 9357.02 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 846.5 MB in the end (delta: 103.7 MB). Peak memory consumption was 276.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1705.39 ms. Allocated memory is still 1.0 GB. Free memory was 846.5 MB in the beginning and 685.6 MB in the end (delta: 161.0 MB). Peak memory consumption was 161.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 2854.11 ms. Allocated memory is still 1.0 GB. Free memory was 685.6 MB in the beginning and 718.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 78.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...