./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.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_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/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_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/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_9ff00b60-8795-4582-958a-81b3c76d3461/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 91e04004830698389104523fd95ec19013bffc6ed609cfb90049e6e93edb2bb3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:39,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:39,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:39,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:39,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:39,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:39,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:39,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:39,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:39,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:39,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:39,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:39,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:39,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:39,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:39,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:39,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:39,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:39,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:39,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:39,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:39,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:39,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:39,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:39,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:39,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:39,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:39,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:39,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:39,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:39,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:39,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:39,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:39,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:39,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:39,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:39,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:39,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:39,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:39,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:39,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:39,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:37:39,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:39,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:39,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:39,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:39,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:39,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:39,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:39,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:39,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:39,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:39,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:39,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:39,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:39,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:39,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:39,979 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:39,979 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:39,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:39,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:39,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:39,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:39,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:39,982 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:37:39,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:37:39,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:39,983 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_9ff00b60-8795-4582-958a-81b3c76d3461/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e04004830698389104523fd95ec19013bffc6ed609cfb90049e6e93edb2bb3 [2021-11-23 15:37:40,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:40,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:40,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:40,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:40,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:40,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2021-11-23 15:37:40,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/09e8d5972/a990c3c890ce455298af36a33a7168c5/FLAGe27b163b1 [2021-11-23 15:37:41,414 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:41,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2021-11-23 15:37:41,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/09e8d5972/a990c3c890ce455298af36a33a7168c5/FLAGe27b163b1 [2021-11-23 15:37:41,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/09e8d5972/a990c3c890ce455298af36a33a7168c5 [2021-11-23 15:37:41,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:41,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:41,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:41,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:41,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:41,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:41" (1/1) ... [2021-11-23 15:37:41,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159b1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:41, skipping insertion in model container [2021-11-23 15:37:41,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:41" (1/1) ... [2021-11-23 15:37:41,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:42,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:43,291 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_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2021-11-23 15:37:43,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:43,378 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:43,862 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_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2021-11-23 15:37:43,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:43,952 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:43,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43 WrapperNode [2021-11-23 15:37:43,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:43,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:43,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:43,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:43,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,170 INFO L137 Inliner]: procedures = 142, calls = 664, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1981 [2021-11-23 15:37:44,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:44,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:44,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:44,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:44,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:44,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:44,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:44,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:44,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:43" (1/1) ... [2021-11-23 15:37:44,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:44,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:44,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:44,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:44,503 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:37:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:37:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:37:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 15:37:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 15:37:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:37:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:37:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:37:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:37:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:37:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:37:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:37:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 15:37:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 15:37:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2021-11-23 15:37:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2021-11-23 15:37:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:37:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:37:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:37:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:37:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 15:37:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 15:37:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:37:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:37:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2021-11-23 15:37:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2021-11-23 15:37:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2021-11-23 15:37:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2021-11-23 15:37:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-23 15:37:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-23 15:37:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-11-23 15:37:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-11-23 15:37:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:37:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:37:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-11-23 15:37:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-11-23 15:37:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:37:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:37:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:37:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:37:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:37:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:37:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:37:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:37:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:37:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2021-11-23 15:37:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2021-11-23 15:37:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 15:37:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 15:37:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:37:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:37:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:37:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:37:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2021-11-23 15:37:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2021-11-23 15:37:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-23 15:37:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-23 15:37:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:37:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2021-11-23 15:37:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2021-11-23 15:37:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-11-23 15:37:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-11-23 15:37:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:37:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:37:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-23 15:37:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-23 15:37:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:37:44,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:37:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2021-11-23 15:37:44,526 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2021-11-23 15:37:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:37:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:37:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:37:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2021-11-23 15:37:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2021-11-23 15:37:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2021-11-23 15:37:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2021-11-23 15:37:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2021-11-23 15:37:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2021-11-23 15:37:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:37:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:37:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2021-11-23 15:37:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2021-11-23 15:37:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2021-11-23 15:37:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2021-11-23 15:37:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:37:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-11-23 15:37:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-11-23 15:37:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2021-11-23 15:37:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2021-11-23 15:37:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:37:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:45,224 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:45,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:45,412 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:45,417 INFO L158 Benchmark]: Toolchain (without parser) took 3513.37ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 66.2MB in the beginning and 76.6MB in the end (delta: -10.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,418 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:45,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2048.55ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 65.9MB in the beginning and 58.3MB in the end (delta: 7.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.62ms. Allocated memory is still 134.2MB. Free memory was 57.7MB in the beginning and 85.5MB in the end (delta: -27.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,421 INFO L158 Benchmark]: Boogie Preprocessor took 238.47ms. Allocated memory is still 134.2MB. Free memory was 85.5MB in the beginning and 72.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,422 INFO L158 Benchmark]: RCFGBuilder took 1004.22ms. Allocated memory is still 134.2MB. Free memory was 72.8MB in the beginning and 76.6MB in the end (delta: -3.8MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:45,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2048.55ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 65.9MB in the beginning and 58.3MB in the end (delta: 7.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 216.62ms. Allocated memory is still 134.2MB. Free memory was 57.7MB in the beginning and 85.5MB in the end (delta: -27.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.47ms. Allocated memory is still 134.2MB. Free memory was 85.5MB in the beginning and 72.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1004.22ms. Allocated memory is still 134.2MB. Free memory was 72.8MB in the beginning and 76.6MB in the end (delta: -3.8MB). Peak memory consumption was 29.1MB. 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 15:37:45,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/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_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/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_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/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_9ff00b60-8795-4582-958a-81b3c76d3461/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 91e04004830698389104523fd95ec19013bffc6ed609cfb90049e6e93edb2bb3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:48,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:48,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:48,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:48,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:48,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:48,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:48,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:48,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:48,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:48,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:48,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:48,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:48,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:48,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:48,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:48,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:48,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:48,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:48,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:48,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:48,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:48,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:48,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:48,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:48,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:48,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:48,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:48,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:48,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:48,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:48,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:48,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:48,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:48,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:48,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:48,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:48,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:48,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:48,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:48,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:48,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:37:48,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:48,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:48,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:48,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:48,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:48,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:48,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:48,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:48,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:48,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:48,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:48,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:37:48,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:37:48,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:37:48,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:48,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:48,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:48,431 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:48,431 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:48,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:48,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:48,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:48,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:48,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:48,433 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:37:48,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:37:48,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:48,433 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:37:48,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:37:48,434 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_9ff00b60-8795-4582-958a-81b3c76d3461/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e04004830698389104523fd95ec19013bffc6ed609cfb90049e6e93edb2bb3 [2021-11-23 15:37:48,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:48,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:48,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:48,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:48,982 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:48,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2021-11-23 15:37:49,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/cdd95ef67/de9a948a7b13496cb0736583c2ed05b0/FLAGf2b9e737b [2021-11-23 15:37:50,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:50,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2021-11-23 15:37:50,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/cdd95ef67/de9a948a7b13496cb0736583c2ed05b0/FLAGf2b9e737b [2021-11-23 15:37:50,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/data/cdd95ef67/de9a948a7b13496cb0736583c2ed05b0 [2021-11-23 15:37:50,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:50,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:50,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:50,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:50,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:50,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:50" (1/1) ... [2021-11-23 15:37:50,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:50, skipping insertion in model container [2021-11-23 15:37:50,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:50" (1/1) ... [2021-11-23 15:37:50,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:50,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:52,007 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_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2021-11-23 15:37:52,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:52,084 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:37:52,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:52,342 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_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2021-11-23 15:37:52,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:52,367 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:52,658 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_9ff00b60-8795-4582-958a-81b3c76d3461/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2021-11-23 15:37:52,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:52,795 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:52,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52 WrapperNode [2021-11-23 15:37:52,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:52,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:52,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:52,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:52,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:52,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,080 INFO L137 Inliner]: procedures = 151, calls = 664, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1933 [2021-11-23 15:37:53,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:53,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:53,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:53,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:53,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:53,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:53,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:53,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:53,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2021-11-23 15:37:53,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:53,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:53,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:53,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:37:53,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:37:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:37:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:37:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 15:37:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 15:37:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:37:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:37:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:37:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:37:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:37:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:37:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:37:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 15:37:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 15:37:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2021-11-23 15:37:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2021-11-23 15:37:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:37:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:37:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:37:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:37:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 15:37:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 15:37:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:37:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:37:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2021-11-23 15:37:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2021-11-23 15:37:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2021-11-23 15:37:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2021-11-23 15:37:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-23 15:37:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-23 15:37:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2021-11-23 15:37:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2021-11-23 15:37:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:37:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:37:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-11-23 15:37:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-11-23 15:37:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:37:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:37:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:37:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:37:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:37:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:37:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:37:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:37:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:37:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:37:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:37:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2021-11-23 15:37:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2021-11-23 15:37:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:37:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 15:37:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 15:37:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:37:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:37:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:37:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:37:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2021-11-23 15:37:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2021-11-23 15:37:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-23 15:37:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-23 15:37:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:37:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:37:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:37:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2021-11-23 15:37:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2021-11-23 15:37:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-11-23 15:37:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-11-23 15:37:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:37:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:37:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-23 15:37:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-23 15:37:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:37:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:37:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2021-11-23 15:37:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2021-11-23 15:37:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:37:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:37:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:37:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:37:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:37:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:37:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2021-11-23 15:37:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2021-11-23 15:37:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:37:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:37:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2021-11-23 15:37:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2021-11-23 15:37:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2021-11-23 15:37:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2021-11-23 15:37:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:37:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:37:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2021-11-23 15:37:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2021-11-23 15:37:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2021-11-23 15:37:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2021-11-23 15:37:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:37:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-11-23 15:37:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-11-23 15:37:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2021-11-23 15:37:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2021-11-23 15:37:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:54,028 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:54,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:54,673 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:54,677 INFO L158 Benchmark]: Toolchain (without parser) took 4158.22ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 35.7MB in the beginning and 66.7MB in the end (delta: -30.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-11-23 15:37:54,678 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:54,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2276.46ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 35.6MB in the beginning and 93.1MB in the end (delta: -57.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-11-23 15:37:54,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 283.65ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 81.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:54,680 INFO L158 Benchmark]: Boogie Preprocessor took 229.22ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 68.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:37:54,681 INFO L158 Benchmark]: RCFGBuilder took 1358.88ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 66.7MB in the end (delta: 1.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:54,685 INFO L339 ainManager$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 is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2276.46ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 35.6MB in the beginning and 93.1MB in the end (delta: -57.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 283.65ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 81.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 229.22ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 68.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1358.88ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 66.7MB in the end (delta: 1.9MB). Peak memory consumption was 20.5MB. 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 15:37:54,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff00b60-8795-4582-958a-81b3c76d3461/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