./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB --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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- 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-dbf71c6-m [2022-10-17 16:33:39,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:39,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:39,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:39,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:39,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:39,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:39,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:39,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:39,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:39,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:39,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:39,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:39,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:39,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:39,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:39,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:39,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:39,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:39,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:39,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:39,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:39,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:39,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:39,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:39,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:39,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:39,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:39,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:39,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:39,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:39,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:39,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:39,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:39,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:39,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:39,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:39,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:39,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:39,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:39,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:39,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:33:39,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:39,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:39,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:39,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:39,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:39,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:39,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:39,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:39,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:39,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:39,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:39,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:39,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:39,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:39,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:39,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:39,484 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:39,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:39,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:39,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:39,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:39,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:39,486 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:39,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:39,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:39,487 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_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-10-17 16:33:39,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:39,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:39,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:39,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:39,859 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:39,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-10-17 16:33:39,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/data/48eef1442/d57d94af8cfb483f9b3a6bf24acdcdd5/FLAGaeb33c880 [2022-10-17 16:33:40,906 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:40,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-10-17 16:33:40,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/data/48eef1442/d57d94af8cfb483f9b3a6bf24acdcdd5/FLAGaeb33c880 [2022-10-17 16:33:41,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/data/48eef1442/d57d94af8cfb483f9b3a6bf24acdcdd5 [2022-10-17 16:33:41,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:41,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:41,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:41,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:41,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:41,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:41" (1/1) ... [2022-10-17 16:33:41,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca890f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:41, skipping insertion in model container [2022-10-17 16:33:41,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:41" (1/1) ... [2022-10-17 16:33:41,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:41,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:43,999 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_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-10-17 16:33:44,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:44,207 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:44,809 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_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-10-17 16:33:44,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:44,964 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:44,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44 WrapperNode [2022-10-17 16:33:44,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:44,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:44,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:44,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:44,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,339 INFO L138 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6671 [2022-10-17 16:33:45,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:45,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:45,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:45,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:45,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,718 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:45,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:45,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:45,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:45,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:45,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:45,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:45,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:45,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bcbd3a-11ee-469e-9c35-6968c150bd2f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-10-17 16:33:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-10-17 16:33:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-10-17 16:33:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-10-17 16:33:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-10-17 16:33:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-10-17 16:33:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-10-17 16:33:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-10-17 16:33:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 16:33:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 16:33:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-10-17 16:33:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-10-17 16:33:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:33:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-10-17 16:33:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-10-17 16:33:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:33:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-17 16:33:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-17 16:33:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-10-17 16:33:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-10-17 16:33:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-10-17 16:33:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-10-17 16:33:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-10-17 16:33:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-10-17 16:33:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 16:33:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 16:33:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 16:33:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 16:33:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:33:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:33:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-10-17 16:33:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-10-17 16:33:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:33:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:33:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-10-17 16:33:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-10-17 16:33:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 16:33:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 16:33:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:33:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:33:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-10-17 16:33:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 16:33:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 16:33:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-10-17 16:33:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-10-17 16:33:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-10-17 16:33:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-10-17 16:33:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-10-17 16:33:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-10-17 16:33:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-10-17 16:33:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-10-17 16:33:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-10-17 16:33:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-10-17 16:33:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-10-17 16:33:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-10-17 16:33:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 16:33:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 16:33:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:33:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:33:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 16:33:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 16:33:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-10-17 16:33:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-10-17 16:33:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-10-17 16:33:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-10-17 16:33:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:33:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:33:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-10-17 16:33:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-10-17 16:33:45,901 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-10-17 16:33:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-10-17 16:33:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:33:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 16:33:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 16:33:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-10-17 16:33:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-10-17 16:33:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-10-17 16:33:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-10-17 16:33:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:33:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-10-17 16:33:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-10-17 16:33:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-10-17 16:33:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-10-17 16:33:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 16:33:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 16:33:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-10-17 16:33:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-10-17 16:33:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-10-17 16:33:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-10-17 16:33:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 16:33:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 16:33:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-17 16:33:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-17 16:33:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:33:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:33:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-17 16:33:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-17 16:33:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 16:33:45,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 16:33:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-10-17 16:33:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-10-17 16:33:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-10-17 16:33:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-10-17 16:33:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-10-17 16:33:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-10-17 16:33:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-17 16:33:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-17 16:33:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 16:33:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 16:33:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:33:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 16:33:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 16:33:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-10-17 16:33:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-10-17 16:33:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 16:33:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 16:33:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:33:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-10-17 16:33:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-10-17 16:33:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-10-17 16:33:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-10-17 16:33:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-10-17 16:33:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-10-17 16:33:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-10-17 16:33:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-10-17 16:33:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-17 16:33:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-17 16:33:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:33:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:33:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-10-17 16:33:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-10-17 16:33:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-10-17 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 16:33:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-10-17 16:33:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-10-17 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-10-17 16:33:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-10-17 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-10-17 16:33:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-10-17 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-10-17 16:33:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-10-17 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-10-17 16:33:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-10-17 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-10-17 16:33:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-10-17 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-10-17 16:33:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-10-17 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 16:33:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 16:33:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:33:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-10-17 16:33:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-10-17 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-10-17 16:33:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-10-17 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-10-17 16:33:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-10-17 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 16:33:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-10-17 16:33:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-10-17 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-10-17 16:33:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-10-17 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-10-17 16:33:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-10-17 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-10-17 16:33:45,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-10-17 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 16:33:45,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-17 16:33:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-17 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:33:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-10-17 16:33:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-10-17 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 16:33:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 16:33:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-17 16:33:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-17 16:33:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-10-17 16:33:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-10-17 16:33:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 16:33:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 16:33:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-10-17 16:33:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-10-17 16:33:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:33:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:33:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-10-17 16:33:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-10-17 16:33:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-17 16:33:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-17 16:33:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 16:33:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 16:33:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-10-17 16:33:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-10-17 16:33:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-10-17 16:33:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-10-17 16:33:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-10-17 16:33:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-10-17 16:33:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-10-17 16:33:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-10-17 16:33:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-10-17 16:33:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-10-17 16:33:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 16:33:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 16:33:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-10-17 16:33:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-10-17 16:33:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 16:33:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 16:33:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 16:33:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 16:33:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-10-17 16:33:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-10-17 16:33:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-10-17 16:33:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-10-17 16:33:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-10-17 16:33:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-10-17 16:33:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-17 16:33:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-17 16:33:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:33:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:33:46,833 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:46,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:00,409 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-10-17 16:34:00,409 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -9223372036854775808 <= __copy_to_user_#t~ret139#1 && __copy_to_user_#t~ret139#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2022-10-17 16:34:00,409 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -9223372036854775808 <= __copy_to_user_#t~ret138#1 && __copy_to_user_#t~ret138#1 <= 9223372036854775807;__copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16 == __copy_to_user_~size#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10 == __copy_to_user_~size#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8 == __copy_to_user_~size#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4 == __copy_to_user_~size#1; [2022-10-17 16:34:00,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-10-17 16:34:00,412 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2 == __copy_to_user_~size#1; [2022-10-17 16:34:02,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-10-17 16:34:02,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -9223372036854775808 <= __copy_from_user_#t~ret133#1 && __copy_from_user_#t~ret133#1 <= 9223372036854775807;__copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2022-10-17 16:34:02,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-10-17 16:34:02,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -9223372036854775808 <= __copy_from_user_#t~ret134#1 && __copy_from_user_#t~ret134#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4 == __copy_from_user_~size#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8 == __copy_from_user_~size#1; [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2 == __copy_from_user_~size#1; [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-10-17 16:34:02,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10 == __copy_from_user_~size#1; [2022-10-17 16:34:02,916 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-10-17 16:34:02,916 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16 == __copy_from_user_~size#1; [2022-10-17 16:34:04,296 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:06,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:06,184 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:34:06,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:06 BoogieIcfgContainer [2022-10-17 16:34:06,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:06,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:06,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:06,203 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:06,204 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 1814 states and 2645 transitions. [2022-10-17 16:34:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2645 transitions. [2022-10-17 16:34:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:34:06,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:06,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 1815 states and 2640 transitions. [2022-10-17 16:34:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2640 transitions. [2022-10-17 16:34:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:34:07,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:07,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 1818 states and 2643 transitions. [2022-10-17 16:34:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2643 transitions. [2022-10-17 16:34:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:34:07,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:07,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 1822 states and 2647 transitions. [2022-10-17 16:34:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2647 transitions. [2022-10-17 16:34:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:34:07,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:07,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 1827 states and 2652 transitions. [2022-10-17 16:34:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2652 transitions. [2022-10-17 16:34:08,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:34:08,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:08,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 1831 states and 2665 transitions. [2022-10-17 16:34:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2665 transitions. [2022-10-17 16:34:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:34:08,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 1835 states and 2678 transitions. [2022-10-17 16:34:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2678 transitions. [2022-10-17 16:34:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:34:08,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:09,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 1839 states and 2691 transitions. [2022-10-17 16:34:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2691 transitions. [2022-10-17 16:34:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:34:09,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:09,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1843 states and 2704 transitions. [2022-10-17 16:34:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2704 transitions. [2022-10-17 16:34:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:34:09,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 1847 states and 2717 transitions. [2022-10-17 16:34:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2717 transitions. [2022-10-17 16:34:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:34:09,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:09,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 1850 states and 2723 transitions. [2022-10-17 16:34:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2723 transitions. [2022-10-17 16:34:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:34:10,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:10,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 1852 states and 2728 transitions. [2022-10-17 16:34:10,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2728 transitions. [2022-10-17 16:34:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:34:10,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 1854 states and 2731 transitions. [2022-10-17 16:34:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2731 transitions. [2022-10-17 16:34:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:34:10,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:10,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 1857 states and 2735 transitions. [2022-10-17 16:34:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2735 transitions. [2022-10-17 16:34:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:34:10,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:10,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:34:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 1870 states and 2775 transitions. [2022-10-17 16:34:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2775 transitions. [2022-10-17 16:34:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:11,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:11,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 1872 states and 2780 transitions. [2022-10-17 16:34:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2780 transitions. [2022-10-17 16:34:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:11,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:11,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 1875 states and 2785 transitions. [2022-10-17 16:34:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2785 transitions. [2022-10-17 16:34:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:34:12,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat