./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:34,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:34,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:34,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:34,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:34,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:34,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:34,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:34,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:34,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:34,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:34,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:34,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:34,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:34,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:34,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:34,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:34,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:34,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:34,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:34,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:34,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:34,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:34,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:34,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:34,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:34,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:34,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:34,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:34,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:34,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:34,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:34,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:34,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:34,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:34,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:34,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:34,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:34,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:34,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:34,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:34,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:49:34,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:34,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:34,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:34,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:34,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:34,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:34,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:34,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:34,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:34,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:34,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:34,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:34,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:34,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:34,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:34,972 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:34,972 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:34,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:34,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:34,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:34,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:34,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:34,973 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:34,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:34,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:34,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 [2021-11-23 15:49:35,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:35,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:35,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:35,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:35,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:35,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 15:49:35,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/fbf655883/7d7960474dcf4d5e8a87765341ce410e/FLAGc3a3975d4 [2021-11-23 15:49:36,228 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:36,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 15:49:36,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/fbf655883/7d7960474dcf4d5e8a87765341ce410e/FLAGc3a3975d4 [2021-11-23 15:49:36,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/fbf655883/7d7960474dcf4d5e8a87765341ce410e [2021-11-23 15:49:36,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:36,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:36,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:36,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:36,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:36,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a6ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36, skipping insertion in model container [2021-11-23 15:49:36,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:36,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:38,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 15:49:39,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:39,713 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:39,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 15:49:40,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:40,319 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:40,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40 WrapperNode [2021-11-23 15:49:40,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:40,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:40,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:40,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:40,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:40,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:40,755 INFO L137 Inliner]: procedures = 375, calls = 2229, calls flagged for inlining = 193, calls inlined = 191, statements flattened = 6424 [2021-11-23 15:49:40,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:40,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:40,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:40,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:40,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:40,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:40,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:40,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:40,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:41,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:41,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:41,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:41,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:41,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:41,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:41,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:40" (1/1) ... [2021-11-23 15:49:41,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:41,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:41,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2021-11-23 15:49:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2021-11-23 15:49:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 15:49:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 15:49:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:49:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:49:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 15:49:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 15:49:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:49:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 15:49:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 15:49:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:49:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:49:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:49:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:49:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 15:49:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 15:49:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 15:49:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 15:49:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 15:49:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 15:49:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-23 15:49:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-23 15:49:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 15:49:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 15:49:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 15:49:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 15:49:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 15:49:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 15:49:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:49:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:49:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:49:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:49:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:49:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:49:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 15:49:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 15:49:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 15:49:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 15:49:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:49:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:49:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 15:49:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 15:49:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:49:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:49:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 15:49:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 15:49:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:49:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:49:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 15:49:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 15:49:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 15:49:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 15:49:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:49:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:49:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 15:49:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 15:49:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:49:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:49:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 15:49:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 15:49:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:49:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:49:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 15:49:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 15:49:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2021-11-23 15:49:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2021-11-23 15:49:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 15:49:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 15:49:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 15:49:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 15:49:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:49:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:49:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 15:49:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 15:49:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 15:49:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 15:49:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:49:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:49:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:49:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2021-11-23 15:49:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2021-11-23 15:49:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:49:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:49:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 15:49:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 15:49:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-23 15:49:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-23 15:49:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:49:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:49:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:49:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-11-23 15:49:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-11-23 15:49:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 15:49:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 15:49:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:49:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:49:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:49:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:49:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2021-11-23 15:49:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2021-11-23 15:49:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:49:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:49:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:49:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:49:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 15:49:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 15:49:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:49:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:49:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:49:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:49:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:49:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:49:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 15:49:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 15:49:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 15:49:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 15:49:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:49:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:49:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:49:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:49:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:49:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:49:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:49:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:49:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:49:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 15:49:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 15:49:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:49:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:49:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 15:49:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 15:49:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2021-11-23 15:49:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2021-11-23 15:49:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:49:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 15:49:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 15:49:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:49:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:49:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:49:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:49:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:49:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 15:49:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 15:49:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 15:49:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 15:49:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 15:49:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 15:49:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:49:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:49:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 15:49:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 15:49:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-11-23 15:49:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-11-23 15:49:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-11-23 15:49:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-11-23 15:49:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-23 15:49:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-23 15:49:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 15:49:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 15:49:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2021-11-23 15:49:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2021-11-23 15:49:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 15:49:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 15:49:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 15:49:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 15:49:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 15:49:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 15:49:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 15:49:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 15:49:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:49:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:49:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 15:49:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 15:49:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-11-23 15:49:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-11-23 15:49:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 15:49:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 15:49:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:49:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:49:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:49:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:49:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:49:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 15:49:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 15:49:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2021-11-23 15:49:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2021-11-23 15:49:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:49:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:49:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 15:49:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 15:49:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 15:49:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 15:49:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:49:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 15:49:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 15:49:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 15:49:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 15:49:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:49:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:49:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:49:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 15:49:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 15:49:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:49:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 15:49:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 15:49:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:49:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:49:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:49:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:49:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 15:49:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 15:49:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-11-23 15:49:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-11-23 15:49:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 15:49:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 15:49:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:49:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:49:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:49:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:49:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 15:49:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 15:49:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:49:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:49:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 15:49:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 15:49:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:49:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:49:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-11-23 15:49:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-11-23 15:49:41,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:49:41,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:49:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-23 15:49:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-23 15:49:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 15:49:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 15:49:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:49:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:49:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-23 15:49:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-23 15:49:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 15:49:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 15:49:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2021-11-23 15:49:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2021-11-23 15:49:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-23 15:49:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-23 15:49:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 15:49:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 15:49:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:49:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:49:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:49:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:49:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:49:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:49:42,217 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:42,223 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:42,855 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:49:42,865 INFO L158 Benchmark]: Toolchain (without parser) took 6206.64ms. Allocated memory was 96.5MB in the beginning and 192.9MB in the end (delta: 96.5MB). Free memory was 62.2MB in the beginning and 82.6MB in the end (delta: -20.5MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,866 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:42,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3661.61ms. Allocated memory was 96.5MB in the beginning and 192.9MB in the end (delta: 96.5MB). Free memory was 62.0MB in the beginning and 107.1MB in the end (delta: -45.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 436.70ms. Allocated memory is still 192.9MB. Free memory was 107.1MB in the beginning and 108.3MB in the end (delta: -1.2MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,875 INFO L158 Benchmark]: Boogie Preprocessor took 310.21ms. Allocated memory is still 192.9MB. Free memory was 108.3MB in the beginning and 70.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,877 INFO L158 Benchmark]: RCFGBuilder took 1793.43ms. Allocated memory is still 192.9MB. Free memory was 70.6MB in the beginning and 82.6MB in the end (delta: -12.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3661.61ms. Allocated memory was 96.5MB in the beginning and 192.9MB in the end (delta: 96.5MB). Free memory was 62.0MB in the beginning and 107.1MB in the end (delta: -45.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 436.70ms. Allocated memory is still 192.9MB. Free memory was 107.1MB in the beginning and 108.3MB in the end (delta: -1.2MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 310.21ms. Allocated memory is still 192.9MB. Free memory was 108.3MB in the beginning and 70.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1793.43ms. Allocated memory is still 192.9MB. Free memory was 70.6MB in the beginning and 82.6MB in the end (delta: -12.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:42,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:45,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:45,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:45,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:45,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:45,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:45,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:45,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:45,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:45,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:45,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:45,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:45,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:45,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:45,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:45,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:45,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:45,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:45,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:45,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:45,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:45,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:45,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:45,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:45,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:45,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:45,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:45,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:45,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:45,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:45,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:45,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:45,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:45,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:45,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:45,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:45,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:45,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:45,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:45,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:45,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:45,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:49:45,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:45,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:45,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:45,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:45,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:45,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:45,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:45,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:45,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:45,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:45,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:45,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:45,626 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:45,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:45,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:45,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:45,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:45,627 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:45,627 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:45,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:45,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:45,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:45,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:45,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:45,629 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:45,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:45,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:45,630 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:45,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:45,630 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 [2021-11-23 15:49:46,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:46,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:46,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:46,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:46,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:46,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 15:49:46,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/7b29574ec/c08a68790e8b493883e4e5f6ca36af7f/FLAG4bfadd3ad [2021-11-23 15:49:47,265 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:47,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 15:49:47,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/7b29574ec/c08a68790e8b493883e4e5f6ca36af7f/FLAG4bfadd3ad [2021-11-23 15:49:47,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/data/7b29574ec/c08a68790e8b493883e4e5f6ca36af7f [2021-11-23 15:49:47,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:47,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:47,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:47,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:47,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:47,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:47" (1/1) ... [2021-11-23 15:49:47,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ee95d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:47, skipping insertion in model container [2021-11-23 15:49:47,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:47" (1/1) ... [2021-11-23 15:49:47,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:47,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:49,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 15:49:50,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:50,590 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:49:50,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:50,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 15:49:51,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:51,164 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:51,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 15:49:51,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:51,844 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:51,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51 WrapperNode [2021-11-23 15:49:51,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:51,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:51,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:51,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:51,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,244 INFO L137 Inliner]: procedures = 391, calls = 2228, calls flagged for inlining = 195, calls inlined = 193, statements flattened = 6280 [2021-11-23 15:49:52,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:52,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:52,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:52,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:52,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:52,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:52,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:52,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:52,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:51" (1/1) ... [2021-11-23 15:49:52,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:52,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:52,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 15:49:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 15:49:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:49:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 15:49:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 15:49:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 15:49:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 15:49:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 15:49:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 15:49:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 15:49:52,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 15:49:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:49:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:49:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:49:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:49:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 15:49:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 15:49:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:49:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:49:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 15:49:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 15:49:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:49:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:49:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 15:49:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 15:49:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2021-11-23 15:49:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2021-11-23 15:49:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 15:49:52,752 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 15:49:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 15:49:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 15:49:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2021-11-23 15:49:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2021-11-23 15:49:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:49:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:49:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 15:49:52,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 15:49:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:49:52,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:49:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:49:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:49:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:49:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:49:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:49:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:49:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 15:49:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 15:49:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:49:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:49:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:49:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:49:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:49:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:49:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:49:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:49:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:49:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:49:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 15:49:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 15:49:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 15:49:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 15:49:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 15:49:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 15:49:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-11-23 15:49:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-11-23 15:49:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-11-23 15:49:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-11-23 15:49:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 15:49:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 15:49:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 15:49:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 15:49:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 15:49:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 15:49:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:49:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:49:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:49:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:49:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 15:49:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 15:49:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:49:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 15:49:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 15:49:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:49:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:49:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:49:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:49:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:49:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:49:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:49:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:49:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:49:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 15:49:52,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 15:49:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-11-23 15:49:52,770 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-11-23 15:49:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:49:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:49:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 15:49:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 15:49:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:49:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:49:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 15:49:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 15:49:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 15:49:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 15:49:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2021-11-23 15:49:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2021-11-23 15:49:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:49:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 15:49:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 15:49:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:49:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:49:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:49:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:49:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2021-11-23 15:49:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2021-11-23 15:49:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:49:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:49:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 15:49:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 15:49:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 15:49:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 15:49:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:49:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:49:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 15:49:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 15:49:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 15:49:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 15:49:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-23 15:49:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-23 15:49:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:49:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:49:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 15:49:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 15:49:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 15:49:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 15:49:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:49:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:49:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 15:49:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 15:49:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:49:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:49:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 15:49:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 15:49:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 15:49:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 15:49:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:49:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:49:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 15:49:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 15:49:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:49:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:49:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 15:49:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 15:49:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 15:49:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 15:49:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:49:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 15:49:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 15:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:49:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-23 15:49:52,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-23 15:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-11-23 15:49:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-11-23 15:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 15:49:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 15:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:49:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2021-11-23 15:49:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2021-11-23 15:49:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:49:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:49:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:49:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:49:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:49:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:49:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 15:49:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 15:49:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 15:49:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 15:49:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:49:52,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-23 15:49:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-23 15:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 15:49:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 15:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 15:49:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 15:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2021-11-23 15:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2021-11-23 15:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 15:49:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 15:49:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:49:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:49:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 15:49:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 15:49:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-23 15:49:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-23 15:49:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 15:49:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 15:49:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2021-11-23 15:49:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2021-11-23 15:49:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 15:49:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 15:49:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 15:49:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 15:49:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:49:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:49:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 15:49:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 15:49:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-11-23 15:49:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-11-23 15:49:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:49:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:49:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:49:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 15:49:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 15:49:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:49:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:49:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:49:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2021-11-23 15:49:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2021-11-23 15:49:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:49:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:49:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 15:49:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 15:49:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 15:49:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 15:49:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:49:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:49:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 15:49:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 15:49:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 15:49:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 15:49:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:49:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:49:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:49:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:49:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 15:49:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 15:49:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-11-23 15:49:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-11-23 15:49:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:49:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:49:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-23 15:49:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-23 15:49:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-23 15:49:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-23 15:49:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:49:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:49:53,907 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:53,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:14,582 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:50:14,586 INFO L158 Benchmark]: Toolchain (without parser) took 26977.96ms. Allocated memory was 52.4MB in the beginning and 367.0MB in the end (delta: 314.6MB). Free memory was 25.7MB in the beginning and 205.8MB in the end (delta: -180.2MB). Peak memory consumption was 162.6MB. Max. memory is 16.1GB. [2021-11-23 15:50:14,586 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:14,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4234.07ms. Allocated memory was 52.4MB in the beginning and 190.8MB in the end (delta: 138.4MB). Free memory was 25.4MB in the beginning and 61.0MB in the end (delta: -35.6MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:14,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 399.57ms. Allocated memory is still 190.8MB. Free memory was 61.0MB in the beginning and 72.7MB in the end (delta: -11.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:14,588 INFO L158 Benchmark]: Boogie Preprocessor took 412.07ms. Allocated memory was 190.8MB in the beginning and 367.0MB in the end (delta: 176.2MB). Free memory was 72.7MB in the beginning and 240.1MB in the end (delta: -167.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:14,588 INFO L158 Benchmark]: RCFGBuilder took 21923.90ms. Allocated memory is still 367.0MB. Free memory was 240.1MB in the beginning and 205.8MB in the end (delta: 34.2MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:14,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4234.07ms. Allocated memory was 52.4MB in the beginning and 190.8MB in the end (delta: 138.4MB). Free memory was 25.4MB in the beginning and 61.0MB in the end (delta: -35.6MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 399.57ms. Allocated memory is still 190.8MB. Free memory was 61.0MB in the beginning and 72.7MB in the end (delta: -11.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 412.07ms. Allocated memory was 190.8MB in the beginning and 367.0MB in the end (delta: 176.2MB). Free memory was 72.7MB in the beginning and 240.1MB in the end (delta: -167.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * RCFGBuilder took 21923.90ms. Allocated memory is still 367.0MB. Free memory was 240.1MB in the beginning and 205.8MB in the end (delta: 34.2MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:50:14,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea385cf-5597-4f9f-bc10-4e3f46a3be75/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable