./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-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:09:10,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:09:10,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:09:10,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:09:10,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:09:10,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:09:10,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:09:10,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:09:10,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:09:10,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:09:10,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:09:10,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:09:10,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:09:10,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:09:10,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:09:10,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:09:10,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:09:10,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:09:10,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:09:10,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:09:10,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:09:10,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:09:10,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:09:10,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:09:10,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:09:10,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:09:10,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:09:10,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:09:10,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:09:10,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:09:10,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:09:10,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:09:10,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:09:10,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:09:10,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:09:10,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:09:10,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:09:10,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:09:10,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:09:10,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:09:10,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:09:10,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:09:10,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:09:10,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:09:10,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:09:10,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:09:10,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:09:10,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:09:10,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:09:10,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:09:10,412 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:09:10,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:09:10,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:09:10,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:09:10,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:09:10,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:09:10,414 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:09:10,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:09:10,415 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:09:10,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:09:10,415 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:09:10,415 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b [2022-12-13 20:09:10,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:09:10,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:09:10,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:09:10,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:09:10,607 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:09:10,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-12-13 20:09:13,232 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:09:13,746 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:09:13,746 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-12-13 20:09:13,802 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data/53702a244/c9d971812e1c4ef08191bfce0f6fa482/FLAGbdb289365 [2022-12-13 20:09:14,288 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data/53702a244/c9d971812e1c4ef08191bfce0f6fa482 [2022-12-13 20:09:14,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:09:14,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:09:14,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:14,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:09:14,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:09:14,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:14" (1/1) ... [2022-12-13 20:09:14,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d742d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:14, skipping insertion in model container [2022-12-13 20:09:14,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:14" (1/1) ... [2022-12-13 20:09:14,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:09:14,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:09:15,196 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:09:15,208 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:09:15,220 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:09:15,304 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,304 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:09:15,305 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 20:09:15,306 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 20:09:15,433 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-13 20:09:15,684 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,684 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,687 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,688 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,702 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,703 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,705 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,706 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,718 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,719 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,721 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,722 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,736 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,737 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,739 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:15,740 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:15,875 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:09:15,882 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:09:15,888 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:09:15,910 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 20:09:15,912 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 20:09:15,915 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2022-12-13 20:09:15,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@754c0bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:15, skipping insertion in model container [2022-12-13 20:09:15,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:15,916 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 20:09:15,918 INFO L158 Benchmark]: Toolchain (without parser) took 1625.98ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 88.6MB in the beginning and 132.0MB in the end (delta: -43.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2022-12-13 20:09:15,919 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:15,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1623.82ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 88.6MB in the beginning and 132.0MB in the end (delta: -43.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2022-12-13 20:09:15,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1623.82ms. Allocated memory was 165.7MB in the beginning and 224.4MB in the end (delta: 58.7MB). Free memory was 88.6MB in the beginning and 132.0MB in the end (delta: -43.4MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9338]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: __iwl_err RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:09:17,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:09:17,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:09:17,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:09:17,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:09:17,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:09:17,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:09:17,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:09:17,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:09:17,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:09:17,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:09:17,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:09:17,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:09:17,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:09:17,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:09:17,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:09:17,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:09:17,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:09:17,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:09:17,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:09:17,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:09:17,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:09:17,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:09:17,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:09:17,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:09:17,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:09:17,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:09:17,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:09:17,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:09:17,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:09:17,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:09:17,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:09:17,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:09:17,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:09:17,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:09:17,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:09:17,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:09:17,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:09:17,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:09:17,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:09:17,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:09:17,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 20:09:17,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:09:17,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:09:17,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:09:17,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:09:17,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:09:17,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:09:17,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:09:17,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:09:17,334 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:09:17,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:09:17,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:09:17,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:09:17,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:09:17,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:09:17,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:09:17,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:09:17,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:09:17,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:09:17,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:09:17,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:09:17,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:09:17,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:09:17,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:09:17,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:09:17,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:09:17,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:09:17,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:09:17,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:09:17,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:09:17,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:09:17,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:09:17,339 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:09:17,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:09:17,339 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:09:17,339 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:09:17,339 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b [2022-12-13 20:09:17,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:09:17,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:09:17,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:09:17,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:09:17,602 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:09:17,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-12-13 20:09:20,183 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:09:20,898 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:09:20,898 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-12-13 20:09:20,969 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data/5393186f6/4dfe28a07def496aad435dca6b41aff5/FLAG9bde7bc52 [2022-12-13 20:09:20,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18ce142-e1f7-4384-abaa-37d19642227b/bin/uautomizer-uyxdKDjOR8/data/5393186f6/4dfe28a07def496aad435dca6b41aff5 [2022-12-13 20:09:20,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:09:20,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:09:20,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:20,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:09:20,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:09:20,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:20" (1/1) ... [2022-12-13 20:09:20,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e82c7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:20, skipping insertion in model container [2022-12-13 20:09:20,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:09:20" (1/1) ... [2022-12-13 20:09:20,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:09:21,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:09:21,838 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:09:21,852 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:09:21,865 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:09:21,953 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:21,953 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:09:21,954 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 20:09:21,955 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 20:09:22,109 WARN L623 FunctionHandler]: Unknown extern function __kmalloc [2022-12-13 20:09:22,423 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,424 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,427 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,428 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,441 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,441 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,445 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,445 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,457 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,458 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,460 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,461 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,474 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,475 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,478 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:09:22,479 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:09:22,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:09:22,630 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:09:22,637 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:09:22,662 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 20:09:22,664 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 20:09:22,667 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2022-12-13 20:09:22,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fb917f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:09:22, skipping insertion in model container [2022-12-13 20:09:22,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:09:22,669 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 20:09:22,670 INFO L158 Benchmark]: Toolchain (without parser) took 1685.45ms. Allocated memory was 86.0MB in the beginning and 165.7MB in the end (delta: 79.7MB). Free memory was 42.0MB in the beginning and 97.6MB in the end (delta: -55.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:22,671 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:09:22,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1683.89ms. Allocated memory was 86.0MB in the beginning and 165.7MB in the end (delta: 79.7MB). Free memory was 41.8MB in the beginning and 97.6MB in the end (delta: -55.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-13 20:09:22,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1683.89ms. Allocated memory was 86.0MB in the beginning and 165.7MB in the end (delta: 79.7MB). Free memory was 41.8MB in the beginning and 97.6MB in the end (delta: -55.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9338]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: __iwl_err RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN