./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_async.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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_async.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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 f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:19,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:19,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:20,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:20,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:20,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:20,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:20,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:20,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:20,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:20,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:20,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:20,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:20,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:20,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:20,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:20,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:20,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:20,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:20,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:20,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:20,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:20,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:20,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:20,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:20,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:20,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:20,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:20,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:20,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:20,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:20,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:20,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:20,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:20,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:20,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:20,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:20,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:20,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:20,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:20,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:20,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:55:20,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:20,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:20,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:20,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:20,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:20,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:20,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:20,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:20,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:20,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:20,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:20,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:20,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:20,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:20,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:20,171 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:20,171 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:20,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:20,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:20,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:20,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:20,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:20,173 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:20,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:20,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:20,174 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b [2021-11-23 15:55:20,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:20,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:20,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:20,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:20,527 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:20,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_async.ko-entry_point.cil.out.i [2021-11-23 15:55:20,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/65e892d93/f9b81a8a166e4719b17b523bd6223e0d/FLAG3f7cb9762 [2021-11-23 15:55:21,449 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:21,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2021-11-23 15:55:21,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/65e892d93/f9b81a8a166e4719b17b523bd6223e0d/FLAG3f7cb9762 [2021-11-23 15:55:21,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/65e892d93/f9b81a8a166e4719b17b523bd6223e0d [2021-11-23 15:55:21,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:21,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:21,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:21,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:21,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:21,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31adc351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21, skipping insertion in model container [2021-11-23 15:55:21,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:22,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:22,989 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2021-11-23 15:55:23,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:23,370 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:23,622 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2021-11-23 15:55:23,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:23,842 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:23,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23 WrapperNode [2021-11-23 15:55:23,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:23,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:23,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:23,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:23,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:23,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,054 INFO L137 Inliner]: procedures = 180, calls = 578, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2364 [2021-11-23 15:55:24,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:24,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:24,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:24,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:24,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:24,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:24,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:24,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:24,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:24,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:24,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:24,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:24,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:55:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2021-11-23 15:55:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2021-11-23 15:55:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:55:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:55:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:55:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:55:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:24,307 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2021-11-23 15:55:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2021-11-23 15:55:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2021-11-23 15:55:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2021-11-23 15:55:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 15:55:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 15:55:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:55:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:55:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 15:55:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 15:55:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2021-11-23 15:55:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2021-11-23 15:55:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:55:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:55:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 15:55:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 15:55:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 15:55:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 15:55:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:55:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:55:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:55:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:55:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2021-11-23 15:55:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2021-11-23 15:55:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2021-11-23 15:55:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2021-11-23 15:55:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:55:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:55:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:55:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:55:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2021-11-23 15:55:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2021-11-23 15:55:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 15:55:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 15:55:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:55:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:55:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:55:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:55:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:55:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:55:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:55:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:55:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2021-11-23 15:55:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2021-11-23 15:55:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:55:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:55:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:55:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:55:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:55:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:55:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:55:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2021-11-23 15:55:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2021-11-23 15:55:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:55:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:55:24,795 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:24,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:25,285 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:25,295 INFO L158 Benchmark]: Toolchain (without parser) took 3338.22ms. Allocated memory was 90.2MB in the beginning and 203.4MB in the end (delta: 113.2MB). Free memory was 65.0MB in the beginning and 124.3MB in the end (delta: -59.3MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,296 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:25,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1884.90ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.5MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.58ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 49.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,300 INFO L158 Benchmark]: Boogie Preprocessor took 167.94ms. Allocated memory is still 125.8MB. Free memory was 49.5MB in the beginning and 62.5MB in the end (delta: -13.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,306 INFO L158 Benchmark]: RCFGBuilder took 1063.00ms. Allocated memory was 125.8MB in the beginning and 203.4MB in the end (delta: 77.6MB). Free memory was 62.5MB in the beginning and 124.3MB in the end (delta: -61.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:25,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1884.90ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.5MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.58ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 49.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.94ms. Allocated memory is still 125.8MB. Free memory was 49.5MB in the beginning and 62.5MB in the end (delta: -13.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1063.00ms. Allocated memory was 125.8MB in the beginning and 203.4MB in the end (delta: 77.6MB). Free memory was 62.5MB in the beginning and 124.3MB in the end (delta: -61.8MB). Peak memory consumption was 31.5MB. 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 15:55:25,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_async.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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 f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:27,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:27,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:27,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:27,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:27,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:27,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:27,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:27,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:27,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:27,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:27,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:27,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:27,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:27,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:27,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:27,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:27,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:27,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:27,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:27,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:27,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:27,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:27,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:27,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:27,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:27,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:27,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:27,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:27,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:27,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:27,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:27,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:27,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:27,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:27,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:27,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:27,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:27,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:27,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:27,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:27,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:55:27,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:27,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:27,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:27,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:27,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:27,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:27,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:27,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:27,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:27,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:27,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:27,964 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:27,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:27,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:27,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:27,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:27,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:27,965 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:27,965 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:27,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:27,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:27,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:27,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:27,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:27,967 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:27,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:27,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:27,967 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:27,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:27,968 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b [2021-11-23 15:55:28,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:28,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:28,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:28,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:28,374 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:28,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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_async.ko-entry_point.cil.out.i [2021-11-23 15:55:28,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/cbc319da8/6f7c163743724273a7887047d9f501c0/FLAG045d79a89 [2021-11-23 15:55:29,356 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:29,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2021-11-23 15:55:29,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/cbc319da8/6f7c163743724273a7887047d9f501c0/FLAG045d79a89 [2021-11-23 15:55:29,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/data/cbc319da8/6f7c163743724273a7887047d9f501c0 [2021-11-23 15:55:29,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:29,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:29,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:29,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:29,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:29,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d94723d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29, skipping insertion in model container [2021-11-23 15:55:29,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:29,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:31,145 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2021-11-23 15:55:31,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:31,697 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:55:31,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:31,888 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2021-11-23 15:55:32,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:32,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:32,350 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_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2021-11-23 15:55:32,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:32,572 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:32,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32 WrapperNode [2021-11-23 15:55:32,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:32,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:32,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:32,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:32,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,778 INFO L137 Inliner]: procedures = 194, calls = 578, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2312 [2021-11-23 15:55:32,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:32,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:32,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:32,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:32,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:32,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:32,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:32,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:32,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:32" (1/1) ... [2021-11-23 15:55:32,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:32,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:33,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:33,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:55:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:55:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2021-11-23 15:55:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2021-11-23 15:55:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:55:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:55:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:55:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2021-11-23 15:55:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2021-11-23 15:55:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:55:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:55:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:55:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:55:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2021-11-23 15:55:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2021-11-23 15:55:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:55:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:55:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:55:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:55:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:55:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:55:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:55:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:55:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:55:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:55:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:55:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:55:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:55:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:55:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:55:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:55:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:33,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:55:33,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:55:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2021-11-23 15:55:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2021-11-23 15:55:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2021-11-23 15:55:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2021-11-23 15:55:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 15:55:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 15:55:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:55:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:55:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 15:55:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 15:55:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:55:33,075 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:55:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 15:55:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 15:55:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 15:55:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 15:55:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:55:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:55:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:55:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:55:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:33,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2021-11-23 15:55:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2021-11-23 15:55:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2021-11-23 15:55:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2021-11-23 15:55:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:55:33,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:55:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:55:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:55:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:55:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:55:33,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:55:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 15:55:33,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 15:55:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:55:33,082 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:55:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2021-11-23 15:55:33,082 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2021-11-23 15:55:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:55:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:33,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2021-11-23 15:55:33,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2021-11-23 15:55:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:55:33,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:55:33,704 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:33,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:34,665 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:34,668 INFO L158 Benchmark]: Toolchain (without parser) took 4826.16ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 33.4MB in the beginning and 137.2MB in the end (delta: -103.7MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,669 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:34,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2730.69ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 33.2MB in the beginning and 59.5MB in the end (delta: -26.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.57ms. Allocated memory is still 119.5MB. Free memory was 59.5MB in the beginning and 46.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,671 INFO L158 Benchmark]: Boogie Preprocessor took 175.01ms. Allocated memory was 119.5MB in the beginning and 205.5MB in the end (delta: 86.0MB). Free memory was 46.5MB in the beginning and 140.2MB in the end (delta: -93.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,671 INFO L158 Benchmark]: RCFGBuilder took 1711.54ms. Allocated memory is still 205.5MB. Free memory was 140.2MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2730.69ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 33.2MB in the beginning and 59.5MB in the end (delta: -26.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.57ms. Allocated memory is still 119.5MB. Free memory was 59.5MB in the beginning and 46.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.01ms. Allocated memory was 119.5MB in the beginning and 205.5MB in the end (delta: 86.0MB). Free memory was 46.5MB in the beginning and 140.2MB in the end (delta: -93.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1711.54ms. Allocated memory is still 205.5MB. Free memory was 140.2MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 48.0MB. 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 15:55:34,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc48ad6e-afcd-4c2e-8a3c-d8de9bf53d28/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