./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.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_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX --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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:29:49,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:29:49,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:29:49,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:29:49,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:29:49,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:29:49,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:29:49,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:29:49,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:29:49,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:29:49,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:29:49,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:29:49,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:29:49,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:29:49,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:29:49,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:29:49,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:29:49,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:29:49,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:29:49,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:29:49,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:29:49,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:29:49,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:29:49,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:29:49,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:29:49,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:29:49,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:29:49,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:29:49,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:29:49,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:29:49,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:29:49,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:29:49,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:29:49,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:29:49,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:29:49,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:29:49,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:29:49,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:29:49,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:29:49,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:29:49,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:29:49,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 08:29:49,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:29:49,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:29:49,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:29:49,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:29:49,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:29:49,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:29:49,954 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:29:49,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:29:49,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:29:49,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:29:49,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:29:49,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:29:49,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:29:49,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:29:49,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:29:49,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:29:49,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:29:49,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:29:49,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:29:49,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:29:49,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:29:49,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:29:49,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:29:49,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:29:49,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:29:49,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:29:49,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:29:49,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:29:49,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:29:49,959 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_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-11-09 08:29:50,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:29:50,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:29:50,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:29:50,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:29:50,255 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:29:50,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-09 08:29:50,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/fd5512b71/229ce107b909426fa32a3ee1729f2a24/FLAG7fabe5db4 [2021-11-09 08:29:51,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:29:51,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-09 08:29:51,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/fd5512b71/229ce107b909426fa32a3ee1729f2a24/FLAG7fabe5db4 [2021-11-09 08:29:51,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/fd5512b71/229ce107b909426fa32a3ee1729f2a24 [2021-11-09 08:29:51,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:29:51,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:29:51,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:29:51,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:29:51,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:29:51,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:29:51" (1/1) ... [2021-11-09 08:29:51,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10be8ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:51, skipping insertion in model container [2021-11-09 08:29:51,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:29:51" (1/1) ... [2021-11-09 08:29:51,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:29:51,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:29:54,445 WARN L228 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_5edf386f-ace8-4304-8d02-b16d7df248c6/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-09 08:29:54,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:29:54,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:29:55,057 WARN L228 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_5edf386f-ace8-4304-8d02-b16d7df248c6/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-09 08:29:55,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:29:55,186 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:29:55,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55 WrapperNode [2021-11-09 08:29:55,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:29:55,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:29:55,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:29:55,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:29:55,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:55,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:56,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:29:56,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:29:56,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:29:56,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:29:56,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:56,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:56,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:56,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:57,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:57,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:57,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:58,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:29:58,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:29:58,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:29:58,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:29:58,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (1/1) ... [2021-11-09 08:29:58,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:29:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:29:58,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:29:58,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:29:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-11-09 08:29:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-11-09 08:29:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-09 08:29:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-09 08:29:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 08:29:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 08:29:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-11-09 08:29:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-11-09 08:29:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-09 08:29:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-11-09 08:29:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-11-09 08:29:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-11-09 08:29:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-11-09 08:29:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:29:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:29:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:29:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 08:29:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-11-09 08:29:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-11-09 08:29:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-11-09 08:29:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-11-09 08:29:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-09 08:29:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-09 08:29:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:29:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-09 08:29:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-11-09 08:29:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-11-09 08:29:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:29:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-09 08:29:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-09 08:29:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2021-11-09 08:29:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2021-11-09 08:29:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:29:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:29:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-09 08:29:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 08:29:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 08:29:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2021-11-09 08:29:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2021-11-09 08:29:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-09 08:29:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-09 08:29:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:29:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-11-09 08:29:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-11-09 08:29:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:29:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:30:14,720 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-09 08:30:14,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-09 08:30:14,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:14,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-09 08:30:14,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:14,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume !__copy_from_user_#t~switch141; [2021-11-09 08:30:14,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1219: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2021-11-09 08:30:14,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-2: havoc __copy_to_user_#t~switch146; [2021-11-09 08:30:14,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-3: havoc __copy_to_user_#t~switch146; [2021-11-09 08:30:14,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2021-11-09 08:30:14,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-1: havoc __copy_to_user_#t~switch146; [2021-11-09 08:30:14,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-09 08:30:14,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-09 08:30:14,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-09 08:30:14,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4 == __copy_to_user_~size; [2021-11-09 08:30:14,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-09 08:30:14,741 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-09 08:30:14,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-09 08:30:14,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,742 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8 == __copy_to_user_~size; [2021-11-09 08:30:14,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-09 08:30:14,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-09 08:30:14,743 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-09 08:30:14,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10 == __copy_to_user_~size; [2021-11-09 08:30:14,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,744 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-09 08:30:14,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-09 08:30:14,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,745 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-09 08:30:14,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16 == __copy_to_user_~size; [2021-11-09 08:30:14,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,746 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume 0 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,747 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume !(0 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:30:14,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:30:14,748 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:30:14,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:30:14,749 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,750 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:14,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2021-11-09 08:30:14,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:14,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume !__copy_to_user_#t~switch146; [2021-11-09 08:30:14,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:14,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume !__copy_to_user_#t~switch146; [2021-11-09 08:30:14,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:14,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume !__copy_to_user_#t~switch146; [2021-11-09 08:30:14,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2021-11-09 08:30:14,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-09 08:30:14,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1811: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,754 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1812: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-09 08:30:14,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-09 08:30:14,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-3: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:14,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:14,755 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-7: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:14,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-5: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:14,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-11: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:14,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-9: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := (if __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:14,756 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-19: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-09 08:30:14,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-20: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-09 08:30:14,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-85: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:30:14,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-84: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:30:14,757 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-79: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:30:14,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-78: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:30:14,758 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-121: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-09 08:30:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-120: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-09 08:30:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-179: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:30:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-180: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:30:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-186: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret148 && __copy_to_user_#t~ret148 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:30:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-185: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret147 && __copy_to_user_#t~ret147 <= 9223372036854775807;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:30:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##822: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2 == __copy_to_user_~size; [2021-11-09 08:30:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##821: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:30:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760-1: havoc __copy_from_user_#t~switch141; [2021-11-09 08:30:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-09 08:30:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2021-11-09 08:30:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2021-11-09 08:30:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2021-11-09 08:30:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2021-11-09 08:30:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2021-11-09 08:30:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2021-11-09 08:30:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2021-11-09 08:30:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2021-11-09 08:30:21,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:21,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-09 08:30:21,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := copy_user_generic_~ret~0 % 4294967296; [2021-11-09 08:30:21,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-09 08:30:21,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##352: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2 == __copy_from_user_~size; [2021-11-09 08:30:21,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##351: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := (if __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-09 08:30:21,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-29: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret143 && __copy_from_user_#t~ret143 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-28: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret142 && __copy_from_user_#t~ret142 <= 9223372036854775807;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4 == __copy_from_user_~size; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8 == __copy_from_user_~size; [2021-11-09 08:30:21,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:30:21,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10 == __copy_from_user_~size; [2021-11-09 08:30:21,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~1 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:30:21,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16 == __copy_from_user_~size; [2021-11-09 08:30:42,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:30:42,444 INFO L299 CfgBuilder]: Removed 7538 assume(true) statements. [2021-11-09 08:30:42,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:30:42 BoogieIcfgContainer [2021-11-09 08:30:42,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:30:42,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:30:42,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:30:42,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:30:42,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:29:51" (1/3) ... [2021-11-09 08:30:42,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b739b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:30:42, skipping insertion in model container [2021-11-09 08:30:42,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:29:55" (2/3) ... [2021-11-09 08:30:42,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b739b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:30:42, skipping insertion in model container [2021-11-09 08:30:42,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:30:42" (3/3) ... [2021-11-09 08:30:42,462 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-09 08:30:42,468 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:30:42,468 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2021-11-09 08:30:42,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:30:42,599 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 08:30:42,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2021-11-09 08:30:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 7743 states, 7619 states have (on average 1.4066150413440084) internal successors, (10717), 7704 states have internal predecessors, (10717), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-09 08:30:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-09 08:30:42,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:42,769 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:42,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash 54787053, now seen corresponding path program 1 times [2021-11-09 08:30:42,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:42,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462215738] [2021-11-09 08:30:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:42,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:43,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:43,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462215738] [2021-11-09 08:30:43,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462215738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:43,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:43,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:30:43,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947165160] [2021-11-09 08:30:43,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:43,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:43,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:43,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:43,550 INFO L87 Difference]: Start difference. First operand has 7743 states, 7619 states have (on average 1.4066150413440084) internal successors, (10717), 7704 states have internal predecessors, (10717), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:44,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:30:44,256 INFO L93 Difference]: Finished difference Result 15482 states and 21584 transitions. [2021-11-09 08:30:44,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:30:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-09 08:30:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:30:44,348 INFO L225 Difference]: With dead ends: 15482 [2021-11-09 08:30:44,349 INFO L226 Difference]: Without dead ends: 7659 [2021-11-09 08:30:44,388 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:44,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2021-11-09 08:30:44,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 7659. [2021-11-09 08:30:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7659 states, 7536 states have (on average 1.3845541401273886) internal successors, (10434), 7620 states have internal predecessors, (10434), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-09 08:30:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7659 states to 7659 states and 10496 transitions. [2021-11-09 08:30:44,786 INFO L78 Accepts]: Start accepts. Automaton has 7659 states and 10496 transitions. Word has length 10 [2021-11-09 08:30:44,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:30:44,788 INFO L470 AbstractCegarLoop]: Abstraction has 7659 states and 10496 transitions. [2021-11-09 08:30:44,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7659 states and 10496 transitions. [2021-11-09 08:30:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-09 08:30:44,796 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:44,796 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:44,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:30:44,797 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:44,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1577669200, now seen corresponding path program 1 times [2021-11-09 08:30:44,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:44,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912466766] [2021-11-09 08:30:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:44,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:45,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:45,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912466766] [2021-11-09 08:30:45,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912466766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:45,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:45,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:30:45,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640627871] [2021-11-09 08:30:45,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:45,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:45,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:45,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:45,056 INFO L87 Difference]: Start difference. First operand 7659 states and 10496 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:30:47,508 INFO L93 Difference]: Finished difference Result 7659 states and 10496 transitions. [2021-11-09 08:30:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:30:47,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-09 08:30:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:30:47,559 INFO L225 Difference]: With dead ends: 7659 [2021-11-09 08:30:47,559 INFO L226 Difference]: Without dead ends: 7657 [2021-11-09 08:30:47,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:47,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7657 states. [2021-11-09 08:30:47,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7657 to 7657. [2021-11-09 08:30:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7657 states, 7535 states have (on average 1.3844724618447246) internal successors, (10432), 7618 states have internal predecessors, (10432), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-09 08:30:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7657 states to 7657 states and 10494 transitions. [2021-11-09 08:30:47,861 INFO L78 Accepts]: Start accepts. Automaton has 7657 states and 10494 transitions. Word has length 10 [2021-11-09 08:30:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:30:47,862 INFO L470 AbstractCegarLoop]: Abstraction has 7657 states and 10494 transitions. [2021-11-09 08:30:47,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 7657 states and 10494 transitions. [2021-11-09 08:30:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-09 08:30:47,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:47,863 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:47,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:30:47,864 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:47,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:47,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1663080904, now seen corresponding path program 1 times [2021-11-09 08:30:47,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:47,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873325485] [2021-11-09 08:30:47,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:47,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:48,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:48,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873325485] [2021-11-09 08:30:48,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873325485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:48,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:48,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:30:48,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946335488] [2021-11-09 08:30:48,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:48,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:48,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:48,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:48,066 INFO L87 Difference]: Start difference. First operand 7657 states and 10494 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:50,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:30:50,599 INFO L93 Difference]: Finished difference Result 7657 states and 10494 transitions. [2021-11-09 08:30:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:30:50,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-09 08:30:50,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:30:50,652 INFO L225 Difference]: With dead ends: 7657 [2021-11-09 08:30:50,652 INFO L226 Difference]: Without dead ends: 7655 [2021-11-09 08:30:50,657 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:50,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7655 states. [2021-11-09 08:30:50,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7655 to 7655. [2021-11-09 08:30:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7655 states, 7534 states have (on average 1.3843907618794797) internal successors, (10430), 7616 states have internal predecessors, (10430), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-09 08:30:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7655 states to 7655 states and 10492 transitions. [2021-11-09 08:30:51,053 INFO L78 Accepts]: Start accepts. Automaton has 7655 states and 10492 transitions. Word has length 11 [2021-11-09 08:30:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:30:51,054 INFO L470 AbstractCegarLoop]: Abstraction has 7655 states and 10492 transitions. [2021-11-09 08:30:51,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7655 states and 10492 transitions. [2021-11-09 08:30:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-09 08:30:51,056 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:51,056 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:51,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:30:51,056 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:51,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:51,058 INFO L85 PathProgramCache]: Analyzing trace with hash -15876422, now seen corresponding path program 1 times [2021-11-09 08:30:51,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:51,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516239504] [2021-11-09 08:30:51,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:51,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:51,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:51,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516239504] [2021-11-09 08:30:51,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516239504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:51,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:51,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:30:51,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936356887] [2021-11-09 08:30:51,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:51,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:51,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:51,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:51,458 INFO L87 Difference]: Start difference. First operand 7655 states and 10492 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:53,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:30:53,914 INFO L93 Difference]: Finished difference Result 7655 states and 10492 transitions. [2021-11-09 08:30:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:30:53,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-09 08:30:53,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:30:53,968 INFO L225 Difference]: With dead ends: 7655 [2021-11-09 08:30:53,969 INFO L226 Difference]: Without dead ends: 7653 [2021-11-09 08:30:53,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:53,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7653 states. [2021-11-09 08:30:54,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7653 to 7653. [2021-11-09 08:30:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7653 states, 7533 states have (on average 1.3843090402230187) internal successors, (10428), 7614 states have internal predecessors, (10428), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-09 08:30:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7653 states to 7653 states and 10490 transitions. [2021-11-09 08:30:54,318 INFO L78 Accepts]: Start accepts. Automaton has 7653 states and 10490 transitions. Word has length 12 [2021-11-09 08:30:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:30:54,318 INFO L470 AbstractCegarLoop]: Abstraction has 7653 states and 10490 transitions. [2021-11-09 08:30:54,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 7653 states and 10490 transitions. [2021-11-09 08:30:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-09 08:30:54,320 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:54,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:54,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:30:54,322 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:54,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:54,323 INFO L85 PathProgramCache]: Analyzing trace with hash -492145022, now seen corresponding path program 1 times [2021-11-09 08:30:54,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:54,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538677945] [2021-11-09 08:30:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:54,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:54,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:54,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538677945] [2021-11-09 08:30:54,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538677945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:54,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:54,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:30:54,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393798856] [2021-11-09 08:30:54,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:54,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:54,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:54,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:54,533 INFO L87 Difference]: Start difference. First operand 7653 states and 10490 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:30:57,580 INFO L93 Difference]: Finished difference Result 16176 states and 22182 transitions. [2021-11-09 08:30:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:30:57,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-09 08:30:57,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:30:57,618 INFO L225 Difference]: With dead ends: 16176 [2021-11-09 08:30:57,619 INFO L226 Difference]: Without dead ends: 8525 [2021-11-09 08:30:57,645 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:57,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8525 states. [2021-11-09 08:30:57,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8525 to 8489. [2021-11-09 08:30:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8489 states, 8360 states have (on average 1.3726076555023923) internal successors, (11475), 8423 states have internal predecessors, (11475), 43 states have call successors, (43), 25 states have call predecessors, (43), 25 states have return successors, (65), 49 states have call predecessors, (65), 43 states have call successors, (65) [2021-11-09 08:30:58,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8489 states to 8489 states and 11583 transitions. [2021-11-09 08:30:58,008 INFO L78 Accepts]: Start accepts. Automaton has 8489 states and 11583 transitions. Word has length 13 [2021-11-09 08:30:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:30:58,009 INFO L470 AbstractCegarLoop]: Abstraction has 8489 states and 11583 transitions. [2021-11-09 08:30:58,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 8489 states and 11583 transitions. [2021-11-09 08:30:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-09 08:30:58,018 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:58,018 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:58,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:30:58,019 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting vhost_net_releaseErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:58,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash 829533720, now seen corresponding path program 1 times [2021-11-09 08:30:58,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:58,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182981308] [2021-11-09 08:30:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:58,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:58,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:58,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182981308] [2021-11-09 08:30:58,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182981308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:58,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:58,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:30:58,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381766860] [2021-11-09 08:30:58,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:58,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:58,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:58,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:58,258 INFO L87 Difference]: Start difference. First operand 8489 states and 11583 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:30:58,992 INFO L93 Difference]: Finished difference Result 21277 states and 28904 transitions. [2021-11-09 08:30:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:30:58,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-09 08:30:58,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:30:59,048 INFO L225 Difference]: With dead ends: 21277 [2021-11-09 08:30:59,049 INFO L226 Difference]: Without dead ends: 12796 [2021-11-09 08:30:59,081 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12796 states. [2021-11-09 08:30:59,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12796 to 9762. [2021-11-09 08:30:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 9633 states have (on average 1.3652029481988996) internal successors, (13151), 9696 states have internal predecessors, (13151), 43 states have call successors, (43), 25 states have call predecessors, (43), 25 states have return successors, (65), 49 states have call predecessors, (65), 43 states have call successors, (65) [2021-11-09 08:30:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 13259 transitions. [2021-11-09 08:30:59,555 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 13259 transitions. Word has length 27 [2021-11-09 08:30:59,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:30:59,555 INFO L470 AbstractCegarLoop]: Abstraction has 9762 states and 13259 transitions. [2021-11-09 08:30:59,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:30:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 13259 transitions. [2021-11-09 08:30:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-09 08:30:59,558 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:30:59,558 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:30:59,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:30:59,559 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:30:59,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:30:59,559 INFO L85 PathProgramCache]: Analyzing trace with hash -213216420, now seen corresponding path program 1 times [2021-11-09 08:30:59,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:30:59,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282650217] [2021-11-09 08:30:59,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:30:59,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:30:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:30:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:30:59,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:30:59,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282650217] [2021-11-09 08:30:59,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282650217] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:30:59,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:30:59,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:30:59,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724679991] [2021-11-09 08:30:59,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:30:59,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:30:59,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:30:59,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:30:59,828 INFO L87 Difference]: Start difference. First operand 9762 states and 13259 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:31:01,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:31:01,135 INFO L93 Difference]: Finished difference Result 19606 states and 26600 transitions. [2021-11-09 08:31:01,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:31:01,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-09 08:31:01,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:31:01,171 INFO L225 Difference]: With dead ends: 19606 [2021-11-09 08:31:01,171 INFO L226 Difference]: Without dead ends: 9852 [2021-11-09 08:31:01,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:31:01,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9852 states. [2021-11-09 08:31:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9852 to 9762. [2021-11-09 08:31:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 9633 states have (on average 1.3371742966884668) internal successors, (12881), 9696 states have internal predecessors, (12881), 43 states have call successors, (43), 25 states have call predecessors, (43), 25 states have return successors, (65), 49 states have call predecessors, (65), 43 states have call successors, (65) [2021-11-09 08:31:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 12989 transitions. [2021-11-09 08:31:01,767 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 12989 transitions. Word has length 32 [2021-11-09 08:31:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:31:01,768 INFO L470 AbstractCegarLoop]: Abstraction has 9762 states and 12989 transitions. [2021-11-09 08:31:01,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:31:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 12989 transitions. [2021-11-09 08:31:01,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-09 08:31:01,770 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:31:01,770 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:31:01,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 08:31:01,771 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:31:01,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:31:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash -142527228, now seen corresponding path program 1 times [2021-11-09 08:31:01,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:31:01,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298117239] [2021-11-09 08:31:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:31:01,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:31:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:31:04,153 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:31:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:31:06,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:31:06,374 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:31:06,375 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,379 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,380 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location handle_txErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,383 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_releaseErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,400 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,403 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:31:06,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 08:31:06,412 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:31:06,416 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:31:06,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:31:06 BoogieIcfgContainer [2021-11-09 08:31:06,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:31:06,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:31:06,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:31:06,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:31:06,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:30:42" (3/4) ... [2021-11-09 08:31:06,987 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:31:06,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:31:06,989 INFO L168 Benchmark]: Toolchain (without parser) took 75275.90 ms. Allocated memory was 98.6 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 67.4 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 639.0 MB. Max. memory is 16.1 GB. [2021-11-09 08:31:06,989 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:31:06,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3474.44 ms. Allocated memory was 98.6 MB in the beginning and 188.7 MB in the end (delta: 90.2 MB). Free memory was 67.0 MB in the beginning and 101.6 MB in the end (delta: -34.6 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:31:06,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 1262.33 ms. Allocated memory was 188.7 MB in the beginning and 377.5 MB in the end (delta: 188.7 MB). Free memory was 101.6 MB in the beginning and 188.0 MB in the end (delta: -86.4 MB). Peak memory consumption was 104.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:31:06,991 INFO L168 Benchmark]: Boogie Preprocessor took 1857.04 ms. Allocated memory was 377.5 MB in the beginning and 817.9 MB in the end (delta: 440.4 MB). Free memory was 188.0 MB in the beginning and 572.8 MB in the end (delta: -384.8 MB). Peak memory consumption was 88.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:31:06,992 INFO L168 Benchmark]: RCFGBuilder took 44142.40 ms. Allocated memory was 817.9 MB in the beginning and 2.4 GB in the end (delta: 1.6 GB). Free memory was 572.8 MB in the beginning and 1.6 GB in the end (delta: -1.0 GB). Peak memory consumption was 694.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:31:06,992 INFO L168 Benchmark]: TraceAbstraction took 24526.30 ms. Allocated memory was 2.4 GB in the beginning and 2.9 GB in the end (delta: 478.2 MB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -608.8 MB). Peak memory consumption was 425.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:31:06,993 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 2.9 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:31:06,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3474.44 ms. Allocated memory was 98.6 MB in the beginning and 188.7 MB in the end (delta: 90.2 MB). Free memory was 67.0 MB in the beginning and 101.6 MB in the end (delta: -34.6 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1262.33 ms. Allocated memory was 188.7 MB in the beginning and 377.5 MB in the end (delta: 188.7 MB). Free memory was 101.6 MB in the beginning and 188.0 MB in the end (delta: -86.4 MB). Peak memory consumption was 104.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1857.04 ms. Allocated memory was 377.5 MB in the beginning and 817.9 MB in the end (delta: 440.4 MB). Free memory was 188.0 MB in the beginning and 572.8 MB in the end (delta: -384.8 MB). Peak memory consumption was 88.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 44142.40 ms. Allocated memory was 817.9 MB in the beginning and 2.4 GB in the end (delta: 1.6 GB). Free memory was 572.8 MB in the beginning and 1.6 GB in the end (delta: -1.0 GB). Peak memory consumption was 694.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24526.30 ms. Allocated memory was 2.4 GB in the beginning and 2.9 GB in the end (delta: 478.2 MB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -608.8 MB). Peak memory consumption was 425.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.10 ms. Allocated memory is still 2.9 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10598] int tmp ; VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L11595] return __VERIFIER_nondet_int(); [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L5302] return (pfo_ret__); VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6413] EXPR (unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [__this_module={18446744073709551617:18446744073709551621}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={205:0}, vhost_net_misc={167:0}, vhost_zcopy_mask=0] - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 7743 locations, 78 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 74231 SDtfs, 49695 SDslu, 28994 SDs, 0 SdLazy, 586 SolverSat, 416 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9762occurred in iteration=6, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 3160 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-09 08:31:07,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.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_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX --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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:31:09,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:31:09,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:31:09,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:31:09,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:31:09,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:31:09,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:31:09,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:31:09,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:31:09,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:31:09,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:31:09,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:31:09,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:31:09,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:31:09,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:31:09,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:31:09,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:31:09,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:31:09,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:31:09,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:31:09,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:31:09,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:31:09,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:31:09,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:31:09,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:31:09,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:31:09,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:31:09,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:31:09,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:31:09,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:31:09,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:31:09,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:31:09,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:31:09,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:31:09,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:31:09,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:31:09,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:31:09,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:31:09,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:31:09,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:31:09,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:31:09,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-09 08:31:09,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:31:09,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:31:09,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:31:09,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:31:09,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:31:09,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:31:09,815 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:31:09,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:31:09,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:31:09,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:31:09,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:31:09,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:31:09,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 08:31:09,818 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 08:31:09,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:31:09,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:31:09,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:31:09,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:31:09,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:31:09,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:31:09,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:31:09,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:31:09,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:31:09,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:31:09,821 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 08:31:09,821 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 08:31:09,822 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:31:09,822 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:31:09,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:31:09,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:31:09,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 08:31:09,823 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-11-09 08:31:10,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:31:10,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:31:10,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:31:10,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:31:10,405 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:31:10,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-09 08:31:10,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/c597c8516/2053f504e0444a7a88a84258b2a84c56/FLAG655b30a41 [2021-11-09 08:31:11,605 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:31:11,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-09 08:31:11,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/c597c8516/2053f504e0444a7a88a84258b2a84c56/FLAG655b30a41 [2021-11-09 08:31:11,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/data/c597c8516/2053f504e0444a7a88a84258b2a84c56 [2021-11-09 08:31:11,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:31:11,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:31:11,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:31:11,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:31:11,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:31:11,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:31:11" (1/1) ... [2021-11-09 08:31:11,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0d7845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:11, skipping insertion in model container [2021-11-09 08:31:11,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:31:11" (1/1) ... [2021-11-09 08:31:11,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:31:12,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:31:14,886 WARN L228 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_5edf386f-ace8-4304-8d02-b16d7df248c6/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-09 08:31:15,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:31:15,048 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:31:15,688 WARN L228 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_5edf386f-ace8-4304-8d02-b16d7df248c6/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-11-09 08:31:15,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:31:15,829 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:31:15,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15 WrapperNode [2021-11-09 08:31:15,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:31:15,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:31:15,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:31:15,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:31:15,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:15,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:17,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:31:17,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:31:17,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:31:17,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:31:17,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:17,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:17,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:17,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:18,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:19,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:19,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:19,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:31:19,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:31:19,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:31:19,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:31:19,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (1/1) ... [2021-11-09 08:31:19,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:31:19,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:31:19,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:31:19,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:31:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-11-09 08:31:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-11-09 08:31:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-09 08:31:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-09 08:31:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-09 08:31:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-09 08:31:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-09 08:31:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 08:31:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-09 08:31:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 08:31:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-11-09 08:31:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-11-09 08:31:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-09 08:31:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-11-09 08:31:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-11-09 08:31:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:31:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:31:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-09 08:31:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-09 08:31:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-09 08:31:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:31:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-09 08:31:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 08:31:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-11-09 08:31:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-11-09 08:31:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-09 08:31:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-09 08:31:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-09 08:31:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-09 08:31:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-11-09 08:31:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-11-09 08:31:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-09 08:31:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-09 08:31:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-09 08:31:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-09 08:31:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-09 08:31:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-09 08:31:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:31:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:31:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-09 08:31:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-09 08:31:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-09 08:31:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 08:31:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 08:31:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-09 08:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-09 08:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:31:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:31:53,312 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,312 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786-1: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-09 08:31:53,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-09 08:31:53,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,315 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799-1: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,315 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:31:53,315 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-09 08:31:53,315 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:31:53,316 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807-1: assume !__copy_from_user_#t~switch141; [2021-11-09 08:31:53,316 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,316 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1219: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,316 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-2: havoc __copy_to_user_#t~switch146; [2021-11-09 08:31:53,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-3: havoc __copy_to_user_#t~switch146; [2021-11-09 08:31:53,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch146; [2021-11-09 08:31:53,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825-1: havoc __copy_to_user_#t~switch146; [2021-11-09 08:31:53,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,317 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,318 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 4bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,319 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,320 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 8bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,321 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 10bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,322 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,323 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 16bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,324 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-3: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-1: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume 0bv64 != __copy_to_user_~tmp___0~6;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,325 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846-2: assume !(0bv64 != __copy_to_user_~tmp___0~6);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:31:53,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-3: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:31:53,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,326 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-1: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:31:53,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume __copy_to_user_#t~switch146;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854-2: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := true; [2021-11-09 08:31:53,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,327 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-3: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-1: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,328 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume 0bv64 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858-2: assume !(0bv64 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:31:53,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch146; [2021-11-09 08:31:53,329 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:31:53,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-3: assume !__copy_to_user_#t~switch146; [2021-11-09 08:31:53,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:31:53,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-1: assume !__copy_to_user_#t~switch146; [2021-11-09 08:31:53,330 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume __copy_to_user_#t~switch146;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:31:53,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866-2: assume !__copy_to_user_#t~switch146; [2021-11-09 08:31:53,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,331 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1811: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,332 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1812: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,333 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-3: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-09 08:31:53,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2021-11-09 08:31:53,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-7: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2021-11-09 08:31:53,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-5: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-09 08:31:53,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-11: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-09 08:31:53,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-9: __copy_to_user_#t~ret149 := copy_user_generic_#res;__copy_to_user_~tmp___2~4 := __copy_to_user_#t~ret149;havoc __copy_to_user_#t~ret149;__copy_to_user_#res := __copy_to_user_~tmp___2~4[32:0]; [2021-11-09 08:31:53,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-19: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-09 08:31:53,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-20: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-09 08:31:53,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-85: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:31:53,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-84: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:31:53,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-79: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:31:53,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-78: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:31:53,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-121: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-09 08:31:53,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-120: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-09 08:31:53,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-179: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:31:53,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-180: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:31:53,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-186: __copy_to_user_#t~ret148 := ldv__builtin_expect_#res;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret148;havoc __copy_to_user_#t~ret148; [2021-11-09 08:31:53,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-185: __copy_to_user_#t~ret147 := ldv__builtin_expect_#res;__copy_to_user_~tmp___0~6 := __copy_to_user_#t~ret147;havoc __copy_to_user_#t~ret147; [2021-11-09 08:31:53,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##822: assume !__copy_to_user_#t~switch146;__copy_to_user_#t~switch146 := __copy_to_user_#t~switch146 || 2bv32 == __copy_to_user_~size; [2021-11-09 08:31:53,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##821: assume __copy_to_user_#t~switch146;__copy_to_user_#res := __copy_to_user_~ret~2; [2021-11-09 08:31:53,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760-1: havoc __copy_from_user_#t~switch141; [2021-11-09 08:31:53,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-09 08:31:53,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:31:53,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2021-11-09 08:31:53,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:31:53,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781-1: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2021-11-09 08:32:14,482 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,482 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,482 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:32:14,483 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := true; [2021-11-09 08:32:14,483 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,483 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,483 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch141;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~0;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~0;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~0); [2021-11-09 08:32:14,484 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch141; [2021-11-09 08:32:14,484 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 2bv32 == __copy_from_user_~size; [2021-11-09 08:32:14,484 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,485 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5701-1: __copy_from_user_#t~ret144 := copy_user_generic_#res;__copy_from_user_~tmp___2~3 := __copy_from_user_#t~ret144;havoc __copy_from_user_#t~ret144;__copy_from_user_#res := __copy_from_user_~tmp___2~3[32:0]; [2021-11-09 08:32:14,485 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-29: __copy_from_user_#t~ret142 := ldv__builtin_expect_#res;__copy_from_user_~tmp___0~5 := __copy_from_user_#t~ret142;havoc __copy_from_user_#t~ret142; [2021-11-09 08:32:14,485 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10999-30: __copy_from_user_#t~ret143 := ldv__builtin_expect_#res;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret143;havoc __copy_from_user_#t~ret143; [2021-11-09 08:32:14,486 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch141; [2021-11-09 08:32:14,486 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,486 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 4bv32 == __copy_from_user_~size; [2021-11-09 08:32:14,487 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,487 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 8bv32 == __copy_from_user_~size; [2021-11-09 08:32:14,487 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch141;__copy_from_user_#res := __copy_from_user_~ret~1; [2021-11-09 08:32:14,487 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 10bv32 == __copy_from_user_~size; [2021-11-09 08:32:14,487 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch141;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-09 08:32:14,488 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch141;__copy_from_user_#t~switch141 := __copy_from_user_#t~switch141 || 16bv32 == __copy_from_user_~size; [2021-11-09 08:33:31,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:33:31,674 INFO L299 CfgBuilder]: Removed 8232 assume(true) statements. [2021-11-09 08:33:31,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:31 BoogieIcfgContainer [2021-11-09 08:33:31,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:33:31,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:33:31,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:33:31,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:33:31,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:31:11" (1/3) ... [2021-11-09 08:33:31,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b539280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:33:31, skipping insertion in model container [2021-11-09 08:33:31,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:15" (2/3) ... [2021-11-09 08:33:31,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b539280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:33:31, skipping insertion in model container [2021-11-09 08:33:31,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:31" (3/3) ... [2021-11-09 08:33:31,693 INFO L111 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-11-09 08:33:31,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:33:31,699 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2021-11-09 08:33:31,805 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:33:31,815 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 08:33:31,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2021-11-09 08:33:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 8404 states, 8302 states have (on average 1.4053240183088413) internal successors, (11667), 8384 states have internal predecessors, (11667), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 08:33:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-09 08:33:31,959 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:31,960 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:31,961 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:33:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:31,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1935377389, now seen corresponding path program 1 times [2021-11-09 08:33:31,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:33:31,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341662015] [2021-11-09 08:33:31,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:31,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:33:31,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:33:31,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:33:31,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 08:33:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:36,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:36,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:36,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:33:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:37,059 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:33:37,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341662015] [2021-11-09 08:33:37,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341662015] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:37,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:37,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 08:33:37,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352797328] [2021-11-09 08:33:37,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:33:37,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:33:37,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:33:37,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:37,105 INFO L87 Difference]: Start difference. First operand has 8404 states, 8302 states have (on average 1.4053240183088413) internal successors, (11667), 8384 states have internal predecessors, (11667), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:37,634 INFO L93 Difference]: Finished difference Result 16804 states and 23404 transitions. [2021-11-09 08:33:37,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:33:37,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-09 08:33:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:33:37,702 INFO L225 Difference]: With dead ends: 16804 [2021-11-09 08:33:37,703 INFO L226 Difference]: Without dead ends: 8314 [2021-11-09 08:33:37,737 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:37,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8314 states. [2021-11-09 08:33:38,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8314 to 8314. [2021-11-09 08:33:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8314 states, 8213 states have (on average 1.3847558748325826) internal successors, (11373), 8294 states have internal predecessors, (11373), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 08:33:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8314 states to 8314 states and 11403 transitions. [2021-11-09 08:33:38,148 INFO L78 Accepts]: Start accepts. Automaton has 8314 states and 11403 transitions. Word has length 10 [2021-11-09 08:33:38,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:33:38,149 INFO L470 AbstractCegarLoop]: Abstraction has 8314 states and 11403 transitions. [2021-11-09 08:33:38,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 8314 states and 11403 transitions. [2021-11-09 08:33:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-09 08:33:38,150 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:38,151 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:38,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:38,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:33:38,370 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:33:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash 302921136, now seen corresponding path program 1 times [2021-11-09 08:33:38,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:33:38,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111211261] [2021-11-09 08:33:38,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:38,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:33:38,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:33:38,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:33:38,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-09 08:33:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:43,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:43,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:43,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:33:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:43,298 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:33:43,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111211261] [2021-11-09 08:33:43,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111211261] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:43,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:43,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-09 08:33:43,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747518918] [2021-11-09 08:33:43,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:33:43,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:33:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:33:43,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:43,302 INFO L87 Difference]: Start difference. First operand 8314 states and 11403 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:45,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:45,908 INFO L93 Difference]: Finished difference Result 8314 states and 11403 transitions. [2021-11-09 08:33:45,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:33:45,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-09 08:33:45,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:33:45,965 INFO L225 Difference]: With dead ends: 8314 [2021-11-09 08:33:45,965 INFO L226 Difference]: Without dead ends: 8312 [2021-11-09 08:33:45,972 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:45,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8312 states. [2021-11-09 08:33:46,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8312 to 8312. [2021-11-09 08:33:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8312 states, 8212 states have (on average 1.3846809547004384) internal successors, (11371), 8292 states have internal predecessors, (11371), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 08:33:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8312 states to 8312 states and 11401 transitions. [2021-11-09 08:33:46,615 INFO L78 Accepts]: Start accepts. Automaton has 8312 states and 11401 transitions. Word has length 10 [2021-11-09 08:33:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:33:46,616 INFO L470 AbstractCegarLoop]: Abstraction has 8312 states and 11401 transitions. [2021-11-09 08:33:46,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8312 states and 11401 transitions. [2021-11-09 08:33:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-09 08:33:46,619 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:46,620 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:46,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:46,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:33:46,842 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:33:46,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:46,843 INFO L85 PathProgramCache]: Analyzing trace with hash 800646904, now seen corresponding path program 1 times [2021-11-09 08:33:46,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:33:46,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944507048] [2021-11-09 08:33:46,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:46,850 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:33:46,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:33:46,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:33:46,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-09 08:33:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:51,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:51,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:51,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:33:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:51,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:33:51,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944507048] [2021-11-09 08:33:51,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944507048] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:51,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:51,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-09 08:33:51,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438541402] [2021-11-09 08:33:51,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:33:51,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:33:51,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:33:51,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:51,527 INFO L87 Difference]: Start difference. First operand 8312 states and 11401 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:54,113 INFO L93 Difference]: Finished difference Result 8312 states and 11401 transitions. [2021-11-09 08:33:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:33:54,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-09 08:33:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:33:54,167 INFO L225 Difference]: With dead ends: 8312 [2021-11-09 08:33:54,167 INFO L226 Difference]: Without dead ends: 8310 [2021-11-09 08:33:54,173 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8310 states. [2021-11-09 08:33:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8310 to 8310. [2021-11-09 08:33:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8310 states, 8211 states have (on average 1.3846060163195713) internal successors, (11369), 8290 states have internal predecessors, (11369), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 08:33:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8310 states to 8310 states and 11399 transitions. [2021-11-09 08:33:54,556 INFO L78 Accepts]: Start accepts. Automaton has 8310 states and 11399 transitions. Word has length 11 [2021-11-09 08:33:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:33:54,557 INFO L470 AbstractCegarLoop]: Abstraction has 8310 states and 11399 transitions. [2021-11-09 08:33:54,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 8310 states and 11399 transitions. [2021-11-09 08:33:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-09 08:33:54,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:54,559 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:54,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:54,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:33:54,778 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:33:54,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:54,778 INFO L85 PathProgramCache]: Analyzing trace with hash -949723462, now seen corresponding path program 1 times [2021-11-09 08:33:54,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:33:54,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417000290] [2021-11-09 08:33:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:54,782 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:33:54,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:33:54,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:33:54,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-09 08:33:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:59,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:59,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:59,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:33:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:59,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:33:59,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417000290] [2021-11-09 08:33:59,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417000290] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:59,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:59,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-09 08:33:59,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365524018] [2021-11-09 08:33:59,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:33:59,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:33:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:33:59,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:33:59,410 INFO L87 Difference]: Start difference. First operand 8310 states and 11399 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:02,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:34:02,130 INFO L93 Difference]: Finished difference Result 8310 states and 11399 transitions. [2021-11-09 08:34:02,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:34:02,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-09 08:34:02,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:34:02,183 INFO L225 Difference]: With dead ends: 8310 [2021-11-09 08:34:02,183 INFO L226 Difference]: Without dead ends: 8308 [2021-11-09 08:34:02,188 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:34:02,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8308 states. [2021-11-09 08:34:02,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8308 to 8308. [2021-11-09 08:34:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8308 states, 8210 states have (on average 1.3845310596833131) internal successors, (11367), 8288 states have internal predecessors, (11367), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-09 08:34:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8308 states to 8308 states and 11397 transitions. [2021-11-09 08:34:02,600 INFO L78 Accepts]: Start accepts. Automaton has 8308 states and 11397 transitions. Word has length 12 [2021-11-09 08:34:02,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:34:02,600 INFO L470 AbstractCegarLoop]: Abstraction has 8308 states and 11397 transitions. [2021-11-09 08:34:02,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 8308 states and 11397 transitions. [2021-11-09 08:34:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-09 08:34:02,602 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:34:02,602 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:34:02,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:02,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:34:02,817 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:34:02,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash 623370050, now seen corresponding path program 1 times [2021-11-09 08:34:02,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:34:02,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074561643] [2021-11-09 08:34:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:02,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:34:02,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:34:02,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:34:02,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-09 08:34:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:07,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:34:07,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:07,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:34:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:07,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:34:07,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074561643] [2021-11-09 08:34:07,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074561643] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:07,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:07,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-09 08:34:07,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912308906] [2021-11-09 08:34:07,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:34:07,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:34:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:34:07,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:34:07,529 INFO L87 Difference]: Start difference. First operand 8308 states and 11397 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:11,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:34:11,646 INFO L93 Difference]: Finished difference Result 17275 states and 23686 transitions. [2021-11-09 08:34:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:34:11,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-09 08:34:11,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:34:11,686 INFO L225 Difference]: With dead ends: 17275 [2021-11-09 08:34:11,686 INFO L226 Difference]: Without dead ends: 8969 [2021-11-09 08:34:11,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:34:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8969 states. [2021-11-09 08:34:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8969 to 8947. [2021-11-09 08:34:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8947 states, 8848 states have (on average 1.3740958408679929) internal successors, (12158), 8913 states have internal predecessors, (12158), 23 states have call successors, (23), 15 states have call predecessors, (23), 16 states have return successors, (33), 21 states have call predecessors, (33), 23 states have call successors, (33) [2021-11-09 08:34:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8947 states to 8947 states and 12214 transitions. [2021-11-09 08:34:12,303 INFO L78 Accepts]: Start accepts. Automaton has 8947 states and 12214 transitions. Word has length 13 [2021-11-09 08:34:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:34:12,304 INFO L470 AbstractCegarLoop]: Abstraction has 8947 states and 12214 transitions. [2021-11-09 08:34:12,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 8947 states and 12214 transitions. [2021-11-09 08:34:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-09 08:34:12,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:34:12,310 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:34:12,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:12,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:34:12,533 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:34:12,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:12,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2009130959, now seen corresponding path program 1 times [2021-11-09 08:34:12,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:34:12,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728681536] [2021-11-09 08:34:12,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:12,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:34:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:34:12,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:34:12,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-09 08:34:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:17,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:34:17,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:17,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:34:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:17,863 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:34:17,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728681536] [2021-11-09 08:34:17,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728681536] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:17,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:17,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-09 08:34:17,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570112984] [2021-11-09 08:34:17,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 08:34:17,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:34:17,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:34:17,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:34:17,867 INFO L87 Difference]: Start difference. First operand 8947 states and 12214 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:19,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:34:19,048 INFO L93 Difference]: Finished difference Result 27568 states and 37348 transitions. [2021-11-09 08:34:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:34:19,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-09 08:34:19,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:34:19,113 INFO L225 Difference]: With dead ends: 27568 [2021-11-09 08:34:19,113 INFO L226 Difference]: Without dead ends: 18629 [2021-11-09 08:34:19,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:34:19,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18629 states. [2021-11-09 08:34:19,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18629 to 11493. [2021-11-09 08:34:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11493 states, 11394 states have (on average 1.361330524837634) internal successors, (15511), 11459 states have internal predecessors, (15511), 23 states have call successors, (23), 15 states have call predecessors, (23), 16 states have return successors, (33), 21 states have call predecessors, (33), 23 states have call successors, (33) [2021-11-09 08:34:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11493 states to 11493 states and 15567 transitions. [2021-11-09 08:34:20,026 INFO L78 Accepts]: Start accepts. Automaton has 11493 states and 15567 transitions. Word has length 26 [2021-11-09 08:34:20,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:34:20,027 INFO L470 AbstractCegarLoop]: Abstraction has 11493 states and 15567 transitions. [2021-11-09 08:34:20,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 11493 states and 15567 transitions. [2021-11-09 08:34:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-09 08:34:20,034 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:34:20,034 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:34:20,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:20,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:34:20,261 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:34:20,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:20,261 INFO L85 PathProgramCache]: Analyzing trace with hash 434163568, now seen corresponding path program 1 times [2021-11-09 08:34:20,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:34:20,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522824386] [2021-11-09 08:34:20,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:20,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:34:20,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:34:20,267 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:34:20,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-09 08:34:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:25,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:34:25,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:34:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:25,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:34:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:25,681 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:34:25,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522824386] [2021-11-09 08:34:25,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522824386] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:25,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:25,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-09 08:34:25,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962143119] [2021-11-09 08:34:25,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:34:25,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:34:25,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:34:25,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:34:25,684 INFO L87 Difference]: Start difference. First operand 11493 states and 15567 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:29,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:34:29,427 INFO L93 Difference]: Finished difference Result 23114 states and 31262 transitions. [2021-11-09 08:34:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:34:29,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-09 08:34:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:34:29,472 INFO L225 Difference]: With dead ends: 23114 [2021-11-09 08:34:29,472 INFO L226 Difference]: Without dead ends: 11629 [2021-11-09 08:34:29,513 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:34:29,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11629 states. [2021-11-09 08:34:30,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11629 to 11493. [2021-11-09 08:34:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11493 states, 11394 states have (on average 1.3255222046691242) internal successors, (15103), 11459 states have internal predecessors, (15103), 23 states have call successors, (23), 15 states have call predecessors, (23), 16 states have return successors, (33), 21 states have call predecessors, (33), 23 states have call successors, (33) [2021-11-09 08:34:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11493 states to 11493 states and 15159 transitions. [2021-11-09 08:34:30,385 INFO L78 Accepts]: Start accepts. Automaton has 11493 states and 15159 transitions. Word has length 32 [2021-11-09 08:34:30,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:34:30,386 INFO L470 AbstractCegarLoop]: Abstraction has 11493 states and 15159 transitions. [2021-11-09 08:34:30,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11493 states and 15159 transitions. [2021-11-09 08:34:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-09 08:34:30,388 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:34:30,388 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:34:30,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:34:30,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:34:30,601 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-09 08:34:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1551705050, now seen corresponding path program 1 times [2021-11-09 08:34:30,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:34:30,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159518469] [2021-11-09 08:34:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:30,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:34:30,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:34:30,608 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:34:30,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf386f-ace8-4304-8d02-b16d7df248c6/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process