./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.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_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/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_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/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_62f947a5-07c9-438b-8d31-b8acafe01cea/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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:23,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:23,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:23,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:23,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:23,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:23,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:23,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:23,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:23,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:23,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:23,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:23,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:23,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:23,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:23,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:23,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:23,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:23,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:23,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:23,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:23,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:23,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:23,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:23,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:23,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:23,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:23,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:23,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:23,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:23,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:23,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:23,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:23,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:23,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:23,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:23,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:23,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:23,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:23,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:23,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:23,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:55:23,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:23,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:23,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:23,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:23,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:23,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:23,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:23,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:23,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:23,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:23,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:23,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:23,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:23,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:23,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:23,129 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:23,129 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:23,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:23,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:23,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:23,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:23,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:23,131 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:23,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:23,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:23,132 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_62f947a5-07c9-438b-8d31-b8acafe01cea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2021-11-23 15:55:23,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:23,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:23,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:23,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:23,430 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:23,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-23 15:55:23,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/df11dd9a4/0bc32eba4e5b4ca3bc5c7244edf452a0/FLAG08f329de3 [2021-11-23 15:55:24,458 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:24,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-23 15:55:24,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/df11dd9a4/0bc32eba4e5b4ca3bc5c7244edf452a0/FLAG08f329de3 [2021-11-23 15:55:24,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/df11dd9a4/0bc32eba4e5b4ca3bc5c7244edf452a0 [2021-11-23 15:55:24,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:24,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:24,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:24,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:24,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:24,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb3a742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24, skipping insertion in model container [2021-11-23 15:55:24,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:24,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:25,598 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-23 15:55:25,599 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-23 15:55:26,019 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_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-23 15:55:28,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:28,338 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:28,511 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-23 15:55:28,511 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-23 15:55:28,528 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_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-23 15:55:28,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:29,230 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:29,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29 WrapperNode [2021-11-23 15:55:29,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:29,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:29,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:29,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:29,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,582 INFO L137 Inliner]: procedures = 293, calls = 6033, calls flagged for inlining = 92, calls inlined = 47, statements flattened = 4505 [2021-11-23 15:55:29,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:29,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:29,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:29,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:29,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:29,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:29,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:29,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:29,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:29,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:29,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:29,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 15:55:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 15:55:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2021-11-23 15:55:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2021-11-23 15:55:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:55:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:55:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:55:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:55:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2021-11-23 15:55:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2021-11-23 15:55:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:55:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:55:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:55:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:55:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:55:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:55:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 15:55:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 15:55:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2021-11-23 15:55:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2021-11-23 15:55:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 15:55:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 15:55:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 15:55:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 15:55:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-11-23 15:55:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-11-23 15:55:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-11-23 15:55:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-11-23 15:55:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-11-23 15:55:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-11-23 15:55:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 15:55:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 15:55:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2021-11-23 15:55:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2021-11-23 15:55:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:55:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:55:30,429 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:30,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:30,678 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:30,684 INFO L158 Benchmark]: Toolchain (without parser) took 5887.53ms. Allocated memory was 121.6MB in the beginning and 274.7MB in the end (delta: 153.1MB). Free memory was 86.2MB in the beginning and 130.3MB in the end (delta: -44.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,685 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:30,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4436.19ms. Allocated memory was 121.6MB in the beginning and 274.7MB in the end (delta: 153.1MB). Free memory was 85.7MB in the beginning and 158.7MB in the end (delta: -73.0MB). Peak memory consumption was 138.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 350.65ms. Allocated memory is still 274.7MB. Free memory was 158.7MB in the beginning and 120.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,694 INFO L158 Benchmark]: Boogie Preprocessor took 317.00ms. Allocated memory is still 274.7MB. Free memory was 120.9MB in the beginning and 157.6MB in the end (delta: -36.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,695 INFO L158 Benchmark]: RCFGBuilder took 779.65ms. Allocated memory is still 274.7MB. Free memory was 157.6MB in the beginning and 130.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4436.19ms. Allocated memory was 121.6MB in the beginning and 274.7MB in the end (delta: 153.1MB). Free memory was 85.7MB in the beginning and 158.7MB in the end (delta: -73.0MB). Peak memory consumption was 138.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 350.65ms. Allocated memory is still 274.7MB. Free memory was 158.7MB in the beginning and 120.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 317.00ms. Allocated memory is still 274.7MB. Free memory was 120.9MB in the beginning and 157.6MB in the end (delta: -36.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.65ms. Allocated memory is still 274.7MB. Free memory was 157.6MB in the beginning and 130.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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 15:55:30,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/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_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/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_62f947a5-07c9-438b-8d31-b8acafe01cea/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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:33,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:33,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:33,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:33,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:33,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:33,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:33,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:33,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:33,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:33,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:33,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:33,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:33,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:33,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:33,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:33,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:33,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:33,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:33,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:33,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:33,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:33,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:33,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:33,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:33,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:33,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:33,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:33,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:33,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:33,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:33,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:33,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:33,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:33,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:33,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:33,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:33,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:33,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:33,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:33,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:33,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:55:33,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:33,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:33,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:33,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:33,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:33,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:33,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:33,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:33,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:33,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:33,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:33,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:33,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:33,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:33,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:33,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:33,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:33,485 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:33,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:33,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:33,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:33,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:33,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:33,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:33,487 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:33,487 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:33,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:33,487 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:33,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:33,488 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_62f947a5-07c9-438b-8d31-b8acafe01cea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2021-11-23 15:55:33,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:33,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:33,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:33,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:33,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:33,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-23 15:55:33,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/7b3b07ecc/6c506c8308dd46d7ac9ba995f9c09b99/FLAGdb08181b5 [2021-11-23 15:55:35,227 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:35,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-23 15:55:35,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/7b3b07ecc/6c506c8308dd46d7ac9ba995f9c09b99/FLAGdb08181b5 [2021-11-23 15:55:35,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/data/7b3b07ecc/6c506c8308dd46d7ac9ba995f9c09b99 [2021-11-23 15:55:35,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:35,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:35,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:35,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:35,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:35,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cf4a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35, skipping insertion in model container [2021-11-23 15:55:35,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:35,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:36,354 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-23 15:55:36,355 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-23 15:55:36,843 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_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-23 15:55:38,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:39,173 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:55:39,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:39,384 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-23 15:55:39,385 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-23 15:55:39,402 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_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-23 15:55:39,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:39,978 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:40,152 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-23 15:55:40,152 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-23 15:55:40,157 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_62f947a5-07c9-438b-8d31-b8acafe01cea/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-23 15:55:40,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:40,921 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:40,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40 WrapperNode [2021-11-23 15:55:40,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:40,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:40,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:40,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:40,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,285 INFO L137 Inliner]: procedures = 308, calls = 6033, calls flagged for inlining = 92, calls inlined = 47, statements flattened = 4475 [2021-11-23 15:55:41,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:41,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:41,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:41,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:41,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:41,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:41,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:41,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:41,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:41,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:41,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:41,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:41,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:55:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:55:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:55:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 15:55:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 15:55:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure linear2alaw [2021-11-23 15:55:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2alaw [2021-11-23 15:55:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:55:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:55:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:55:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:55:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure linear2ulaw [2021-11-23 15:55:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure linear2ulaw [2021-11-23 15:55:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:55:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:55:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:55:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:55:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:55:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:55:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:55:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:55:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:55:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:55:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 15:55:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 15:55:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_dsp_element_unregister [2021-11-23 15:55:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_dsp_element_unregister [2021-11-23 15:55:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 15:55:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 15:55:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 15:55:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 15:55:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-11-23 15:55:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-11-23 15:55:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-11-23 15:55:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-11-23 15:55:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-11-23 15:55:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-11-23 15:55:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 15:55:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 15:55:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_bits [2021-11-23 15:55:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_bits [2021-11-23 15:55:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:55:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:55:42,239 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:42,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:52,677 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:52,681 INFO L158 Benchmark]: Toolchain (without parser) took 17255.62ms. Allocated memory was 69.2MB in the beginning and 314.6MB in the end (delta: 245.4MB). Free memory was 35.1MB in the beginning and 142.0MB in the end (delta: -106.9MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:52,681 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:52,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5494.13ms. Allocated memory was 69.2MB in the beginning and 314.6MB in the end (delta: 245.4MB). Free memory was 34.8MB in the beginning and 165.5MB in the end (delta: -130.7MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:52,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 363.77ms. Allocated memory is still 314.6MB. Free memory was 165.5MB in the beginning and 128.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:52,683 INFO L158 Benchmark]: Boogie Preprocessor took 320.01ms. Allocated memory is still 314.6MB. Free memory was 128.8MB in the beginning and 175.2MB in the end (delta: -46.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:52,687 INFO L158 Benchmark]: RCFGBuilder took 11071.37ms. Allocated memory is still 314.6MB. Free memory was 175.2MB in the beginning and 142.0MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:52,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5494.13ms. Allocated memory was 69.2MB in the beginning and 314.6MB in the end (delta: 245.4MB). Free memory was 34.8MB in the beginning and 165.5MB in the end (delta: -130.7MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 363.77ms. Allocated memory is still 314.6MB. Free memory was 165.5MB in the beginning and 128.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 320.01ms. Allocated memory is still 314.6MB. Free memory was 128.8MB in the beginning and 175.2MB in the end (delta: -46.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11071.37ms. Allocated memory is still 314.6MB. Free memory was 175.2MB in the beginning and 142.0MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. 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 15:55:52,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f947a5-07c9-438b-8d31-b8acafe01cea/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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