./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS --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 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:52:30,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:52:30,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:52:30,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:52:30,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:52:30,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:52:30,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:52:30,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:52:30,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:52:30,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:52:30,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:52:30,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:52:30,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:52:30,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:52:30,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:52:30,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:52:30,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:52:30,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:52:30,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:52:30,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:52:30,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:52:30,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:52:30,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:52:30,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:52:30,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:52:30,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:52:30,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:52:30,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:52:30,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:52:30,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:52:30,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:52:30,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:52:30,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:52:30,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:52:30,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:52:30,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:52:30,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:52:30,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:52:30,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:52:30,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:52:30,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:52:30,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:52:30,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:52:30,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:52:30,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:52:30,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:52:30,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:52:30,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:52:30,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:52:30,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:52:30,850 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:52:30,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:52:30,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:52:30,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:52:30,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:52:30,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:52:30,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:52:30,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:52:30,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:52:30,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:52:30,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:52:30,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:52:30,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:52:30,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:52:30,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:52:30,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:52:30,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:52:30,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:52:30,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:52:30,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:52:30,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:52:30,857 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:52:30,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:52:30,858 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2022-11-23 02:52:31,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:52:31,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:52:31,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:52:31,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:52:31,269 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:52:31,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 02:52:34,566 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:52:35,232 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:52:35,232 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 02:52:35,287 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data/9ae199a57/ee67390bcaf545feac483c3745c5ec06/FLAG7afe050fb [2022-11-23 02:52:35,310 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data/9ae199a57/ee67390bcaf545feac483c3745c5ec06 [2022-11-23 02:52:35,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:52:35,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:52:35,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:52:35,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:52:35,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:52:35,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:35" (1/1) ... [2022-11-23 02:52:35,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599dc7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:35, skipping insertion in model container [2022-11-23 02:52:35,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:35" (1/1) ... [2022-11-23 02:52:35,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:52:35,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:52:36,470 WARN L237 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_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 02:52:37,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:52:37,271 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:52:37,424 WARN L237 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_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 02:52:37,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:52:37,857 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:52:37,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37 WrapperNode [2022-11-23 02:52:37,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:52:37,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:52:37,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:52:37,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:52:37,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:37,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,202 INFO L138 Inliner]: procedures = 204, calls = 2337, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 4962 [2022-11-23 02:52:38,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:52:38,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:52:38,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:52:38,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:52:38,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,569 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:52:38,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:52:38,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:52:38,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:52:38,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (1/1) ... [2022-11-23 02:52:38,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:52:38,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:52:38,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:52:38,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:52:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-23 02:52:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-23 02:52:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-23 02:52:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-23 02:52:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 02:52:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 02:52:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 02:52:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 02:52:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 02:52:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 02:52:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 02:52:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-23 02:52:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-23 02:52:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-23 02:52:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-23 02:52:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 02:52:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 02:52:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:52:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:52:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-23 02:52:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-23 02:52:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-23 02:52:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-23 02:52:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-23 02:52:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-23 02:52:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-23 02:52:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-23 02:52:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 02:52:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 02:52:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 02:52:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 02:52:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-23 02:52:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-23 02:52:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 02:52:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 02:52:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-23 02:52:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-23 02:52:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 02:52:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 02:52:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-23 02:52:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-23 02:52:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-23 02:52:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-23 02:52:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-23 02:52:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-23 02:52:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-23 02:52:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-23 02:52:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-11-23 02:52:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-11-23 02:52:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-23 02:52:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-23 02:52:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 02:52:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 02:52:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:52:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-23 02:52:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-23 02:52:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-23 02:52:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-23 02:52:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-23 02:52:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-23 02:52:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:52:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-23 02:52:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-23 02:52:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 02:52:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 02:52:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:52:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-23 02:52:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-23 02:52:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:52:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-23 02:52:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-23 02:52:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-23 02:52:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-23 02:52:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 02:52:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 02:52:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-23 02:52:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-23 02:52:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-23 02:52:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-23 02:52:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 02:52:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 02:52:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2022-11-23 02:52:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2022-11-23 02:52:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 02:52:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 02:52:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 02:52:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 02:52:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 02:52:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 02:52:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 02:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 02:52:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-23 02:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-23 02:52:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 02:52:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 02:52:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-23 02:52:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-23 02:52:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 02:52:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 02:52:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 02:52:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 02:52:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 02:52:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 02:52:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:52:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-11-23 02:52:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-11-23 02:52:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-23 02:52:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-23 02:52:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 02:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 02:52:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 02:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 02:52:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-23 02:52:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-23 02:52:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-23 02:52:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-23 02:52:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 02:52:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 02:52:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:52:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 02:52:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 02:52:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2022-11-23 02:52:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2022-11-23 02:52:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-23 02:52:38,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-23 02:52:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-23 02:52:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-23 02:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:52:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:52:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 02:52:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 02:52:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-11-23 02:52:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-11-23 02:52:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-23 02:52:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-23 02:52:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-23 02:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-23 02:52:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-23 02:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:52:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-23 02:52:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-23 02:52:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:52:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 02:52:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-23 02:52:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-23 02:52:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 02:52:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 02:52:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-23 02:52:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-23 02:52:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-23 02:52:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-23 02:52:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 02:52:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 02:52:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-23 02:52:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-23 02:52:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-23 02:52:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-23 02:52:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 02:52:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 02:52:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-23 02:52:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-23 02:52:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 02:52:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 02:52:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2022-11-23 02:52:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2022-11-23 02:52:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:52:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-23 02:52:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-23 02:52:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-23 02:52:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-23 02:52:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:52:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:52:39,646 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:52:39,650 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:52:40,160 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 02:53:39,795 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:53:39,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:53:39,812 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:53:39,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:39 BoogieIcfgContainer [2022-11-23 02:53:39,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:53:39,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:53:39,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:53:39,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:53:39,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:52:35" (1/3) ... [2022-11-23 02:53:39,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e1c03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:39, skipping insertion in model container [2022-11-23 02:53:39,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37" (2/3) ... [2022-11-23 02:53:39,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e1c03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:39, skipping insertion in model container [2022-11-23 02:53:39,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:39" (3/3) ... [2022-11-23 02:53:39,825 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 02:53:39,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:53:39,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:53:39,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:53:39,955 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@432fff8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:53:39,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:53:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 1586 states, 1160 states have (on average 1.438793103448276) internal successors, (1669), 1189 states have internal predecessors, (1669), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) [2022-11-23 02:53:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 02:53:39,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:53:39,983 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 02:53:39,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:53:39,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:53:39,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2043558060, now seen corresponding path program 1 times [2022-11-23 02:53:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:53:40,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678080999] [2022-11-23 02:53:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:53:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:53:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:53:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:53:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:41,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:53:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:53:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:53:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 02:53:41,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:53:41,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678080999] [2022-11-23 02:53:41,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678080999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:53:41,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:53:41,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:53:41,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686656814] [2022-11-23 02:53:41,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:53:41,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:53:41,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:53:41,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:53:41,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:53:41,282 INFO L87 Difference]: Start difference. First operand has 1586 states, 1160 states have (on average 1.438793103448276) internal successors, (1669), 1189 states have internal predecessors, (1669), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 02:53:43,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:53:45,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:53:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:53:55,845 INFO L93 Difference]: Finished difference Result 5064 states and 8113 transitions. [2022-11-23 02:53:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:53:55,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2022-11-23 02:53:55,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:53:55,900 INFO L225 Difference]: With dead ends: 5064 [2022-11-23 02:53:55,900 INFO L226 Difference]: Without dead ends: 3465 [2022-11-23 02:53:55,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:53:55,925 INFO L413 NwaCegarLoop]: 2387 mSDtfsCounter, 3201 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 924 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:53:55,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 5723 Invalid, 2754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [924 Valid, 1828 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-11-23 02:53:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2022-11-23 02:53:56,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 2921. [2022-11-23 02:53:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2134 states have (on average 1.4259606373008435) internal successors, (3043), 2172 states have internal predecessors, (3043), 643 states have call successors, (643), 144 states have call predecessors, (643), 143 states have return successors, (638), 634 states have call predecessors, (638), 638 states have call successors, (638) [2022-11-23 02:53:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 4324 transitions. [2022-11-23 02:53:56,217 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 4324 transitions. Word has length 43 [2022-11-23 02:53:56,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:53:56,218 INFO L495 AbstractCegarLoop]: Abstraction has 2921 states and 4324 transitions. [2022-11-23 02:53:56,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 02:53:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 4324 transitions. [2022-11-23 02:53:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 02:53:56,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:53:56,238 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:53:56,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:53:56,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:53:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:53:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1007547926, now seen corresponding path program 1 times [2022-11-23 02:53:56,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:53:56,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867608959] [2022-11-23 02:53:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:53:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:53:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:53:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:53:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:53:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:53:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:53:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:53:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:53:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:53:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 02:53:57,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:53:57,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867608959] [2022-11-23 02:53:57,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867608959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:53:57,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:53:57,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:53:57,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842220476] [2022-11-23 02:53:57,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:53:57,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:53:57,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:53:57,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:53:57,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:53:57,570 INFO L87 Difference]: Start difference. First operand 2921 states and 4324 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 02:53:59,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:54:01,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:54:35,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:54:43,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:54:43,548 INFO L93 Difference]: Finished difference Result 8854 states and 14374 transitions. [2022-11-23 02:54:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 02:54:43,551 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2022-11-23 02:54:43,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:54:43,621 INFO L225 Difference]: With dead ends: 8854 [2022-11-23 02:54:43,622 INFO L226 Difference]: Without dead ends: 5946 [2022-11-23 02:54:43,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-23 02:54:43,647 INFO L413 NwaCegarLoop]: 2530 mSDtfsCounter, 4230 mSDsluCounter, 10936 mSDsCounter, 0 mSdLazyCounter, 14767 mSolverCounterSat, 1663 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4607 SdHoareTripleChecker+Valid, 13466 SdHoareTripleChecker+Invalid, 16433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 14767 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:54:43,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4607 Valid, 13466 Invalid, 16433 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1663 Valid, 14767 Invalid, 3 Unknown, 0 Unchecked, 44.9s Time] [2022-11-23 02:54:43,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5946 states. [2022-11-23 02:54:43,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5946 to 2926. [2022-11-23 02:54:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2138 states have (on average 1.4251637043966323) internal successors, (3047), 2176 states have internal predecessors, (3047), 643 states have call successors, (643), 144 states have call predecessors, (643), 144 states have return successors, (640), 635 states have call predecessors, (640), 638 states have call successors, (640) [2022-11-23 02:54:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4330 transitions. [2022-11-23 02:54:43,911 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4330 transitions. Word has length 64 [2022-11-23 02:54:43,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:54:43,912 INFO L495 AbstractCegarLoop]: Abstraction has 2926 states and 4330 transitions. [2022-11-23 02:54:43,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 02:54:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4330 transitions. [2022-11-23 02:54:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 02:54:43,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:54:43,921 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:54:43,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:54:43,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:54:43,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:54:43,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1594353940, now seen corresponding path program 1 times [2022-11-23 02:54:43,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:54:43,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337679560] [2022-11-23 02:54:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:54:43,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:54:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:54:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:54:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:54:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:54:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:54:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:54:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:54:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:54:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 02:54:44,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:54:44,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337679560] [2022-11-23 02:54:44,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337679560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:54:44,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:54:44,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:54:44,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164362790] [2022-11-23 02:54:44,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:54:44,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:54:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:54:44,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:54:44,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:54:44,603 INFO L87 Difference]: Start difference. First operand 2926 states and 4330 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 02:54:46,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:54:48,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:03,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:55:11,008 INFO L93 Difference]: Finished difference Result 6892 states and 10690 transitions. [2022-11-23 02:55:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:55:11,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2022-11-23 02:55:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:55:11,061 INFO L225 Difference]: With dead ends: 6892 [2022-11-23 02:55:11,061 INFO L226 Difference]: Without dead ends: 6879 [2022-11-23 02:55:11,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:55:11,069 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 5360 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 5605 mSolverCounterSat, 2257 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5691 SdHoareTripleChecker+Valid, 2627 SdHoareTripleChecker+Invalid, 7864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2257 IncrementalHoareTripleChecker+Valid, 5605 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-23 02:55:11,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5691 Valid, 2627 Invalid, 7864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2257 Valid, 5605 Invalid, 2 Unknown, 0 Unchecked, 25.8s Time] [2022-11-23 02:55:11,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6879 states. [2022-11-23 02:55:11,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6879 to 5797. [2022-11-23 02:55:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5797 states, 4241 states have (on average 1.4270219287903796) internal successors, (6052), 4314 states have internal predecessors, (6052), 1271 states have call successors, (1271), 285 states have call predecessors, (1271), 284 states have return successors, (1270), 1257 states have call predecessors, (1270), 1266 states have call successors, (1270) [2022-11-23 02:55:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5797 states to 5797 states and 8593 transitions. [2022-11-23 02:55:11,420 INFO L78 Accepts]: Start accepts. Automaton has 5797 states and 8593 transitions. Word has length 64 [2022-11-23 02:55:11,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:55:11,422 INFO L495 AbstractCegarLoop]: Abstraction has 5797 states and 8593 transitions. [2022-11-23 02:55:11,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 02:55:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5797 states and 8593 transitions. [2022-11-23 02:55:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 02:55:11,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:55:11,503 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:55:11,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:55:11,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:55:11,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:55:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2114011636, now seen corresponding path program 1 times [2022-11-23 02:55:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:55:11,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650439732] [2022-11-23 02:55:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:55:11,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:55:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:55:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:55:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:55:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:55:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:55:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:55:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:55:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 02:55:12,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:55:12,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650439732] [2022-11-23 02:55:12,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650439732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:55:12,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:55:12,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:55:12,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809140455] [2022-11-23 02:55:12,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:55:12,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:55:12,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:55:12,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:55:12,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:55:12,274 INFO L87 Difference]: Start difference. First operand 5797 states and 8593 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 02:55:14,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:16,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:34,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:39,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:55:39,877 INFO L93 Difference]: Finished difference Result 19487 states and 29858 transitions. [2022-11-23 02:55:39,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:55:39,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2022-11-23 02:55:39,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:55:39,977 INFO L225 Difference]: With dead ends: 19487 [2022-11-23 02:55:39,978 INFO L226 Difference]: Without dead ends: 13700 [2022-11-23 02:55:40,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:55:40,013 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 5295 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 6146 mSolverCounterSat, 2189 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 8337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 6146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-23 02:55:40,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5620 Valid, 2594 Invalid, 8337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 6146 Invalid, 2 Unknown, 0 Unchecked, 26.7s Time] [2022-11-23 02:55:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13700 states. [2022-11-23 02:55:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13700 to 11532. [2022-11-23 02:55:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11532 states, 8444 states have (on average 1.4283514921837992) internal successors, (12061), 8589 states have internal predecessors, (12061), 2525 states have call successors, (2525), 565 states have call predecessors, (2525), 562 states have return successors, (2522), 2497 states have call predecessors, (2522), 2514 states have call successors, (2522) [2022-11-23 02:55:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 11532 states and 17108 transitions. [2022-11-23 02:55:40,749 INFO L78 Accepts]: Start accepts. Automaton has 11532 states and 17108 transitions. Word has length 65 [2022-11-23 02:55:40,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:55:40,752 INFO L495 AbstractCegarLoop]: Abstraction has 11532 states and 17108 transitions. [2022-11-23 02:55:40,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 02:55:40,753 INFO L276 IsEmpty]: Start isEmpty. Operand 11532 states and 17108 transitions. [2022-11-23 02:55:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 02:55:40,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:55:40,761 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:55:40,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:55:40,761 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:55:40,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:55:40,762 INFO L85 PathProgramCache]: Analyzing trace with hash 409386147, now seen corresponding path program 1 times [2022-11-23 02:55:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:55:40,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124870555] [2022-11-23 02:55:40,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:55:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:55:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:55:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:55:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:55:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:55:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:55:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:55:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:55:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 02:55:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-23 02:55:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:55:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-23 02:55:41,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:55:41,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124870555] [2022-11-23 02:55:41,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124870555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:55:41,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:55:41,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:55:41,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358844850] [2022-11-23 02:55:41,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:55:41,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:55:41,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:55:41,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:55:41,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:55:41,488 INFO L87 Difference]: Start difference. First operand 11532 states and 17108 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 02:55:43,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:45,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:55:47,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:56:09,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:56:11,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:56:12,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:56:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:56:16,422 INFO L93 Difference]: Finished difference Result 13703 states and 21268 transitions. [2022-11-23 02:56:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:56:16,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2022-11-23 02:56:16,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:56:16,504 INFO L225 Difference]: With dead ends: 13703 [2022-11-23 02:56:16,505 INFO L226 Difference]: Without dead ends: 13700 [2022-11-23 02:56:16,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:56:16,520 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 3753 mSDsluCounter, 2572 mSDsCounter, 0 mSdLazyCounter, 7929 mSolverCounterSat, 1617 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4075 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 9549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1617 IncrementalHoareTripleChecker+Valid, 7929 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:56:16,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4075 Valid, 3919 Invalid, 9549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1617 Valid, 7929 Invalid, 3 Unknown, 0 Unchecked, 34.0s Time] [2022-11-23 02:56:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13700 states. [2022-11-23 02:56:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13700 to 11536. [2022-11-23 02:56:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11536 states, 8446 states have (on average 1.4280132607151315) internal successors, (12061), 8593 states have internal predecessors, (12061), 2525 states have call successors, (2525), 565 states have call predecessors, (2525), 564 states have return successors, (2522), 2497 states have call predecessors, (2522), 2514 states have call successors, (2522) [2022-11-23 02:56:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11536 states to 11536 states and 17108 transitions. [2022-11-23 02:56:17,389 INFO L78 Accepts]: Start accepts. Automaton has 11536 states and 17108 transitions. Word has length 76 [2022-11-23 02:56:17,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:56:17,390 INFO L495 AbstractCegarLoop]: Abstraction has 11536 states and 17108 transitions. [2022-11-23 02:56:17,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 02:56:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 11536 states and 17108 transitions. [2022-11-23 02:56:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 02:56:17,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:56:17,397 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:56:17,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:56:17,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:56:17,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:56:17,398 INFO L85 PathProgramCache]: Analyzing trace with hash 808100195, now seen corresponding path program 1 times [2022-11-23 02:56:17,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:56:17,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864482379] [2022-11-23 02:56:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:56:17,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:56:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:56:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:56:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:56:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:56:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:56:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:56:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:56:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 02:56:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-23 02:56:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 02:56:18,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:56:18,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864482379] [2022-11-23 02:56:18,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864482379] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:56:18,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412473001] [2022-11-23 02:56:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:56:18,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:56:18,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:56:18,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:56:18,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:56:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:19,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 4346 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-23 02:56:19,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:56:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 02:56:19,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:56:19,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412473001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:56:19,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:56:19,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 9 [2022-11-23 02:56:19,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349979854] [2022-11-23 02:56:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:56:19,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:56:19,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:56:19,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:56:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:56:19,961 INFO L87 Difference]: Start difference. First operand 11536 states and 17108 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 02:56:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:56:21,209 INFO L93 Difference]: Finished difference Result 22996 states and 34654 transitions. [2022-11-23 02:56:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 02:56:21,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2022-11-23 02:56:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:56:21,287 INFO L225 Difference]: With dead ends: 22996 [2022-11-23 02:56:21,287 INFO L226 Difference]: Without dead ends: 11473 [2022-11-23 02:56:21,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:56:21,355 INFO L413 NwaCegarLoop]: 3040 mSDtfsCounter, 1843 mSDsluCounter, 14133 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 17173 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:56:21,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 17173 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 02:56:21,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11473 states. [2022-11-23 02:56:22,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11473 to 8650. [2022-11-23 02:56:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8650 states, 6331 states have (on average 1.4272626757226345) internal successors, (9036), 6440 states have internal predecessors, (9036), 1894 states have call successors, (1894), 425 states have call predecessors, (1894), 424 states have return successors, (1892), 1874 states have call predecessors, (1892), 1887 states have call successors, (1892) [2022-11-23 02:56:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8650 states to 8650 states and 12822 transitions. [2022-11-23 02:56:22,122 INFO L78 Accepts]: Start accepts. Automaton has 8650 states and 12822 transitions. Word has length 76 [2022-11-23 02:56:22,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:56:22,124 INFO L495 AbstractCegarLoop]: Abstraction has 8650 states and 12822 transitions. [2022-11-23 02:56:22,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 02:56:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 8650 states and 12822 transitions. [2022-11-23 02:56:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-23 02:56:22,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:56:22,131 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:56:22,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 02:56:22,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:56:22,344 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:56:22,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:56:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2111094231, now seen corresponding path program 1 times [2022-11-23 02:56:22,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:56:22,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364727288] [2022-11-23 02:56:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:56:22,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:56:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:56:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:56:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:56:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:56:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:56:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:56:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:56:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 02:56:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-23 02:56:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:56:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 02:56:23,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:56:23,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364727288] [2022-11-23 02:56:23,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364727288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:56:23,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:56:23,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:56:23,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701735560] [2022-11-23 02:56:23,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:56:23,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 02:56:23,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:56:23,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 02:56:23,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:56:23,390 INFO L87 Difference]: Start difference. First operand 8650 states and 12822 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 02:56:25,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:56:27,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:57:04,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:57:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:57:11,870 INFO L93 Difference]: Finished difference Result 15208 states and 25291 transitions. [2022-11-23 02:57:11,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 02:57:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 81 [2022-11-23 02:57:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:57:11,983 INFO L225 Difference]: With dead ends: 15208 [2022-11-23 02:57:11,984 INFO L226 Difference]: Without dead ends: 15188 [2022-11-23 02:57:12,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-11-23 02:57:12,003 INFO L413 NwaCegarLoop]: 2141 mSDtfsCounter, 7379 mSDsluCounter, 7654 mSDsCounter, 0 mSdLazyCounter, 15381 mSolverCounterSat, 2504 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7750 SdHoareTripleChecker+Valid, 9795 SdHoareTripleChecker+Invalid, 17888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2504 IncrementalHoareTripleChecker+Valid, 15381 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:57:12,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7750 Valid, 9795 Invalid, 17888 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2504 Valid, 15381 Invalid, 3 Unknown, 0 Unchecked, 47.1s Time] [2022-11-23 02:57:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15188 states. [2022-11-23 02:57:12,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15188 to 8654. [2022-11-23 02:57:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8654 states, 6335 states have (on average 1.4269928966061562) internal successors, (9040), 6444 states have internal predecessors, (9040), 1894 states have call successors, (1894), 425 states have call predecessors, (1894), 424 states have return successors, (1892), 1874 states have call predecessors, (1892), 1887 states have call successors, (1892) [2022-11-23 02:57:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8654 states to 8654 states and 12826 transitions. [2022-11-23 02:57:12,867 INFO L78 Accepts]: Start accepts. Automaton has 8654 states and 12826 transitions. Word has length 81 [2022-11-23 02:57:12,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:57:12,868 INFO L495 AbstractCegarLoop]: Abstraction has 8654 states and 12826 transitions. [2022-11-23 02:57:12,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 02:57:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8654 states and 12826 transitions. [2022-11-23 02:57:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 02:57:12,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:57:12,887 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:57:12,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 02:57:12,887 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:57:12,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2133273998, now seen corresponding path program 1 times [2022-11-23 02:57:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:12,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510920778] [2022-11-23 02:57:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:57:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:57:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:57:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 02:57:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-23 02:57:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 02:57:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-23 02:57:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-23 02:57:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-23 02:57:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:57:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 02:57:13,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:57:13,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510920778] [2022-11-23 02:57:13,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510920778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:57:13,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:57:13,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:57:13,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31176157] [2022-11-23 02:57:13,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:57:13,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:57:13,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:57:13,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:57:13,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:57:13,648 INFO L87 Difference]: Start difference. First operand 8654 states and 12826 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 02:57:15,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:57:17,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 02:57:36,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:57:36,940 INFO L93 Difference]: Finished difference Result 16412 states and 25151 transitions. [2022-11-23 02:57:36,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 02:57:36,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 82 [2022-11-23 02:57:36,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:57:36,991 INFO L225 Difference]: With dead ends: 16412 [2022-11-23 02:57:36,991 INFO L226 Difference]: Without dead ends: 7771 [2022-11-23 02:57:37,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:57:37,028 INFO L413 NwaCegarLoop]: 1331 mSDtfsCounter, 4135 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 5229 mSolverCounterSat, 1938 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4356 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 7169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1938 IncrementalHoareTripleChecker+Valid, 5229 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-11-23 02:57:37,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4356 Valid, 3981 Invalid, 7169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1938 Valid, 5229 Invalid, 2 Unknown, 0 Unchecked, 22.5s Time] [2022-11-23 02:57:37,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7771 states. [2022-11-23 02:57:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7771 to 5860. [2022-11-23 02:57:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5860 states, 4287 states have (on average 1.4226731980405878) internal successors, (6099), 4362 states have internal predecessors, (6099), 1284 states have call successors, (1284), 289 states have call predecessors, (1284), 288 states have return successors, (1282), 1268 states have call predecessors, (1282), 1277 states have call successors, (1282) [2022-11-23 02:57:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5860 states to 5860 states and 8665 transitions. [2022-11-23 02:57:37,628 INFO L78 Accepts]: Start accepts. Automaton has 5860 states and 8665 transitions. Word has length 82 [2022-11-23 02:57:37,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:57:37,629 INFO L495 AbstractCegarLoop]: Abstraction has 5860 states and 8665 transitions. [2022-11-23 02:57:37,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 02:57:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5860 states and 8665 transitions. [2022-11-23 02:57:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 02:57:37,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:57:37,638 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 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, 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] [2022-11-23 02:57:37,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:57:37,639 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:57:37,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:57:37,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1345426502, now seen corresponding path program 1 times [2022-11-23 02:57:37,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:57:37,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610197387] [2022-11-23 02:57:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:57:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:57:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:38,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:57:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:57:38,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:57:38,633 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:57:38,634 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 02:57:38,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 02:57:38,639 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:57:38,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:57:38,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:57:38 BoogieIcfgContainer [2022-11-23 02:57:38,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:57:38,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:57:38,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:57:38,922 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:57:38,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:39" (3/4) ... [2022-11-23 02:57:38,927 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:57:38,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:57:38,927 INFO L158 Benchmark]: Toolchain (without parser) took 303610.86ms. Allocated memory was 165.7MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 123.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 574.4MB. Max. memory is 16.1GB. [2022-11-23 02:57:38,928 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 92.4MB in the beginning and 92.4MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:38,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2535.90ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 64.3MB in the end (delta: 58.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2022-11-23 02:57:38,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 343.22ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 64.3MB in the beginning and 150.5MB in the end (delta: -86.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-23 02:57:38,929 INFO L158 Benchmark]: Boogie Preprocessor took 449.55ms. Allocated memory is still 228.6MB. Free memory was 150.5MB in the beginning and 119.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 02:57:38,930 INFO L158 Benchmark]: RCFGBuilder took 61161.89ms. Allocated memory was 228.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 119.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-23 02:57:38,930 INFO L158 Benchmark]: TraceAbstraction took 239102.96ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.2GB in the end (delta: 367.9MB). Peak memory consumption was 367.9MB. Max. memory is 16.1GB. [2022-11-23 02:57:38,930 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 1.8GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:57:38,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory was 92.4MB in the beginning and 92.4MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2535.90ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 64.3MB in the end (delta: 58.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 343.22ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 64.3MB in the beginning and 150.5MB in the end (delta: -86.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 449.55ms. Allocated memory is still 228.6MB. Free memory was 150.5MB in the beginning and 119.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 61161.89ms. Allocated memory was 228.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 119.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 239102.96ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.2GB in the end (delta: 367.9MB). Peak memory consumption was 367.9MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 1.8GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 3977]: 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 3570. Possible FailurePath: [L4000] int LDV_IN_INTERRUPT = 1; [L4001] struct usb_interface *ti_usb_driver_group1 ; [L4002] struct file *ti_2port_device_group0 ; [L4003] int ldv_state_variable_0 ; [L4004] struct usb_serial *ti_2port_device_group3 ; [L4005] struct file *ti_1port_device_group0 ; [L4006] int ldv_state_variable_3 ; [L4007] int ldv_state_variable_2 ; [L4008] struct tty_struct *ti_1port_device_group2 ; [L4009] int ref_cnt ; [L4010] struct usb_serial *ti_1port_device_group3 ; [L4011] int ldv_state_variable_1 ; [L4012] struct usb_serial_port *ti_2port_device_group4 ; [L4013] struct urb *ti_1port_device_group1 ; [L4014] int usb_counter ; [L4015] struct usb_serial_port *ti_1port_device_group4 ; [L4016] struct tty_struct *ti_2port_device_group2 ; [L4017] struct urb *ti_2port_device_group1 ; [L4073] static int debug ; [L4074] static int closing_wait = 4000; [L4075] static ushort vendor_3410[5U] ; [L4076] static unsigned int vendor_3410_count ; [L4077] static ushort product_3410[5U] ; [L4078] static unsigned int product_3410_count ; [L4079] static ushort vendor_5052[5U] ; [L4080] static unsigned int vendor_5052_count ; [L4081] static ushort product_5052[5U] ; [L4082] static unsigned int product_5052_count ; [L4083-L4121] static struct usb_device_id ti_id_table_3410[19U] = { {3U, 1105U, 13328U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 62512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61704U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61705U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61712U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61713U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61714U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61716U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61717U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17731U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17739U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17740U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4122-L4132] static struct usb_device_id ti_id_table_5052[11U] = { {3U, 1105U, 20562U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20818U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20570U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20575U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4133-L4183] static struct usb_device_id ti_id_table_combined[28U] = { {3U, 1105U, 13328U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 62512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61704U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61705U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61712U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61713U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61714U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61716U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61717U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20562U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20818U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20570U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20575U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17731U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17739U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17740U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4184-L4197] static struct usb_driver ti_usb_driver = {"ti_usb_3410_5052", & usb_serial_probe, & usb_serial_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& ti_id_table_combined), {{{{{0U}, 0U, 0U, 0, {0, 0, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, 1U, (unsigned char)0, (unsigned char)0}; [L4198-L4206] static struct usb_serial_driver ti_1port_device = {"TI USB 3410 1 port adapter", (struct usb_device_id const *)(& ti_id_table_3410), 1, {0, 0}, {"ti_usb_3410_5052_1", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & ti_usb_driver, {{{{{0U}, 0U, 0U, 0, {0, 0, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & ti_startup, 0, 0, & ti_release, 0, 0, 0, 0, & ti_open, & ti_close, & ti_write, & ti_write_room, & ti_ioctl, & ti_set_termios, & ti_break, & ti_chars_in_buffer, & ti_throttle, & ti_unthrottle, & ti_tiocmget, & ti_tiocmset, 0, 0, 0, & ti_interrupt_callback, 0, & ti_bulk_in_callback, & ti_bulk_out_callback, 0, 0}; [L4207-L4215] static struct usb_serial_driver ti_2port_device = {"TI USB 5052 2 port adapter", (struct usb_device_id const *)(& ti_id_table_5052), 2, {0, 0}, {"ti_usb_3410_5052_2", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & ti_usb_driver, {{{{{0U}, 0U, 0U, 0, {0, 0, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & ti_startup, 0, 0, & ti_release, 0, 0, 0, 0, & ti_open, & ti_close, & ti_write, & ti_write_room, & ti_ioctl, & ti_set_termios, & ti_break, & ti_chars_in_buffer, & ti_throttle, & ti_unthrottle, & ti_tiocmget, & ti_tiocmset, 0, 0, 0, & ti_interrupt_callback, 0, & ti_bulk_in_callback, & ti_bulk_out_callback, 0, 0}; [L4216] struct usb_device_id const __mod_usb_device_table ; [L6253] int ldv_retval_2 ; [L6255] int ldv_retval_5 ; [L6257] int ldv_retval_0 ; [L6258] int ldv_retval_4 ; [L6260] int ldv_retval_1 ; [L6263] int ldv_retval_3 ; [L7204] int ldv_usb = 0; [L7205] int ldv_usb_s = 0; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6317] struct ktermios *ldvarg7 ; [L6318] void *tmp ; [L6319] unsigned int ldvarg3 ; [L6320] unsigned int tmp___0 ; [L6321] int ldvarg0 ; [L6322] int tmp___1 ; [L6323] unsigned long ldvarg5 ; [L6324] unsigned long tmp___2 ; [L6325] unsigned int ldvarg6 ; [L6326] unsigned int tmp___3 ; [L6327] int ldvarg1 ; [L6328] int tmp___4 ; [L6329] unsigned int ldvarg4 ; [L6330] unsigned int tmp___5 ; [L6331] unsigned char *ldvarg2 ; [L6332] void *tmp___6 ; [L6333] struct usb_device_id *ldvarg8 ; [L6334] void *tmp___7 ; [L6335] unsigned char *ldvarg11 ; [L6336] void *tmp___8 ; [L6337] unsigned int ldvarg12 ; [L6338] unsigned int tmp___9 ; [L6339] struct ktermios *ldvarg16 ; [L6340] void *tmp___10 ; [L6341] unsigned int ldvarg15 ; [L6342] unsigned int tmp___11 ; [L6343] unsigned long ldvarg14 ; [L6344] unsigned long tmp___12 ; [L6345] unsigned int ldvarg13 ; [L6346] unsigned int tmp___13 ; [L6347] int ldvarg10 ; [L6348] int tmp___14 ; [L6349] int ldvarg9 ; [L6350] int tmp___15 ; [L6351] int tmp___16 ; [L6352] int tmp___17 ; [L6353] int tmp___18 ; [L6354] int tmp___19 ; [L6355] int tmp___20 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6357] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=44, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=44, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6357] RET, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(44UL)={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6357] tmp = ldv_zalloc(44UL) [L6358] ldvarg7 = (struct ktermios *)tmp [L6359] tmp___0 = __VERIFIER_nondet_uint() [L6360] ldvarg3 = tmp___0 [L6361] tmp___1 = __VERIFIER_nondet_int() [L6362] ldvarg0 = tmp___1 [L6363] tmp___2 = __VERIFIER_nondet_ulong() [L6364] ldvarg5 = tmp___2 [L6365] tmp___3 = __VERIFIER_nondet_uint() [L6366] ldvarg6 = tmp___3 [L6367] tmp___4 = __VERIFIER_nondet_int() [L6368] ldvarg1 = tmp___4 [L6369] tmp___5 = __VERIFIER_nondet_uint() [L6370] ldvarg4 = tmp___5 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6371] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=1, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=1, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6371] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(1UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6371] tmp___6 = ldv_zalloc(1UL) [L6372] ldvarg2 = (unsigned char *)tmp___6 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6373] CALL, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=24, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=24, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6373] RET, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(24UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6373] tmp___7 = ldv_zalloc(24UL) [L6374] ldvarg8 = (struct usb_device_id *)tmp___7 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6375] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=1, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=1, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6375] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(1UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6375] tmp___8 = ldv_zalloc(1UL) [L6376] ldvarg11 = (unsigned char *)tmp___8 [L6377] tmp___9 = __VERIFIER_nondet_uint() [L6378] ldvarg12 = tmp___9 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg11={0:0}, ldvarg12=62514, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6379] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=44, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=44, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6379] RET, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(44UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg11={0:0}, ldvarg12=62514, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6379] tmp___10 = ldv_zalloc(44UL) [L6380] ldvarg16 = (struct ktermios *)tmp___10 [L6381] tmp___11 = __VERIFIER_nondet_uint() [L6382] ldvarg15 = tmp___11 [L6383] tmp___12 = __VERIFIER_nondet_ulong() [L6384] ldvarg14 = tmp___12 [L6385] tmp___13 = __VERIFIER_nondet_uint() [L6386] ldvarg13 = tmp___13 [L6387] tmp___14 = __VERIFIER_nondet_int() [L6388] ldvarg10 = tmp___14 [L6389] tmp___15 = __VERIFIER_nondet_int() [L6390] ldvarg9 = tmp___15 [L6391] FCALL ldv_initialize() [L6392] ldv_state_variable_1 = 0 [L6393] ref_cnt = 0 [L6394] ldv_state_variable_0 = 1 [L6395] ldv_state_variable_3 = 0 [L6396] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg10=0, ldvarg11={0:0}, ldvarg12=62514, ldvarg13=62554, ldvarg14=62599, ldvarg15=62569, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___10={0:0}, tmp___11=62569, tmp___12=62599, tmp___13=62554, tmp___14=0, tmp___15=0, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6398] tmp___16 = __VERIFIER_nondet_int() [L6400] case 0: [L6726] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg10=0, ldvarg11={0:0}, ldvarg12=62514, ldvarg13=62554, ldvarg14=62599, ldvarg15=62569, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___10={0:0}, tmp___11=62569, tmp___12=62599, tmp___13=62554, tmp___14=0, tmp___15=0, tmp___16=1, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6727] COND TRUE ldv_state_variable_0 != 0 [L6728] tmp___18 = __VERIFIER_nondet_int() [L6730] case 0: [L6738] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg10=0, ldvarg11={0:0}, ldvarg12=62514, ldvarg13=62554, ldvarg14=62599, ldvarg15=62569, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62602, ldvarg5=62607, ldvarg6=62597, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___10={0:0}, tmp___11=62569, tmp___12=62599, tmp___13=62554, tmp___14=0, tmp___15=0, tmp___16=1, tmp___18=1, tmp___2=62607, tmp___3=62597, tmp___4=0, tmp___5=62602, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6739] COND TRUE ldv_state_variable_0 == 1 [L6740] CALL ti_init() [L4219] int i ; [L4220] int j ; [L4221] int c ; [L4222] int ret ; [L4223] unsigned int _min1 ; [L4224] unsigned int _min2 ; [L4225] unsigned int _min1___0 ; [L4226] unsigned int _min2___0 ; [L4228] c = 17 [L4229] j = 13 [L4230] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, c=17, closing_wait=4000, debug=0, i=0, j=13, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4243] _min1 = vendor_3410_count [L4244] _min2 = product_3410_count VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, _min1=0, _min2=0, c=17, closing_wait=4000, debug=0, i=0, j=13, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4245] COND FALSE !((unsigned int )i < (_min1 < _min2 ? _min1 : _min2)) [L4249] j = 5 [L4250] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, _min1=0, _min2=0, c=17, closing_wait=4000, debug=0, i=0, j=5, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4263] _min1___0 = vendor_5052_count [L4264] _min2___0 = product_5052_count VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, _min1=0, _min1___0=0, _min2=0, _min2___0=0, c=17, closing_wait=4000, debug=0, i=0, j=5, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4265] COND FALSE !((unsigned int )i < (_min1___0 < _min2___0 ? _min1___0 : _min2___0)) [L4269] CALL, EXPR ldv_usb_serial_register_2(& ti_1port_device) [L7144] ldv_func_ret_type___0 ldv_func_res ; [L7145] int tmp ; VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7147] CALL, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~arg0={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7483] return __VERIFIER_nondet_int(); [L7147] RET, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, usb_serial_register(ldv_func_arg1)=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7147] tmp = usb_serial_register(ldv_func_arg1) [L7148] ldv_func_res = tmp VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7149] CALL ldv_s_reg(ldv_func_res) VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7209] COND TRUE ! res [L7210] ldv_usb_s = 1 VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, res=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7149] RET ldv_s_reg(ldv_func_res) VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7150] return (ldv_func_res); VAL [#in~ldv_func_arg1={285:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4269] RET, EXPR ldv_usb_serial_register_2(& ti_1port_device) [L4269] ret = ldv_usb_serial_register_2(& ti_1port_device) [L4270] COND FALSE !(ret != 0) [L4274] CALL, EXPR ldv_usb_serial_register_3(& ti_2port_device) [L7155] ldv_func_ret_type___1 ldv_func_res ; [L7156] int tmp ; VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7158] CALL, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~arg0={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7483] return __VERIFIER_nondet_int(); [L7158] RET, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, usb_serial_register(ldv_func_arg1)=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7158] tmp = usb_serial_register(ldv_func_arg1) [L7159] ldv_func_res = tmp VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7160] CALL ldv_s_reg(ldv_func_res) VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7209] COND TRUE ! res [L7210] ldv_usb_s = 1 VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, res=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7160] RET ldv_s_reg(ldv_func_res) VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7161] return (ldv_func_res); VAL [#in~ldv_func_arg1={286:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4274] RET, EXPR ldv_usb_serial_register_3(& ti_2port_device) [L4274] ret = ldv_usb_serial_register_3(& ti_2port_device) [L4275] COND FALSE !(ret != 0) [L4279] CALL, EXPR usb_register(& ti_usb_driver) [L3568] int tmp ; [L3570] CALL, EXPR ldv_usb_register_driver_1(driver, & __this_module, "ti_usb_3410_5052") [L7133] ldv_func_ret_type ldv_func_res ; [L7134] int tmp ; [L7136] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7465] return __VERIFIER_nondet_int(); [L7136] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7136] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7137] ldv_func_res = tmp [L7138] CALL ldv_reg(ldv_func_res) [L7219] COND FALSE !(! res) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, res=287, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=287, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7138] RET ldv_reg(ldv_func_res) [L7139] return (ldv_func_res); VAL [#in~ldv_func_arg1={284:0}, #in~ldv_func_arg2={62614:62587}, #in~ldv_func_arg3={5:0}, \result=287, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={284:0}, ldv_func_arg2={62614:62587}, ldv_func_arg3={5:0}, ldv_func_res=287, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=287, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3570] RET, EXPR ldv_usb_register_driver_1(driver, & __this_module, "ti_usb_3410_5052") [L3570] tmp = ldv_usb_register_driver_1(driver, & __this_module, "ti_usb_3410_5052") [L3571] return (tmp); VAL [#in~driver={284:0}, \result=287, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, driver={284:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=287, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4279] RET, EXPR usb_register(& ti_usb_driver) [L4279] ret = usb_register(& ti_usb_driver) [L4280] COND TRUE ret != 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, _min1=0, _min1___0=0, _min2=0, _min2___0=0, c=17, closing_wait=4000, debug=0, i=0, j=5, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ret=287, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4287] CALL ldv_usb_serial_deregister_4(& ti_2port_device) [L7167] CALL ldv_s_der() VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7239] COND TRUE ldv_usb == 0 VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7243] COND TRUE ldv_usb_s == 1 VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7247] ldv_usb_s = 0 VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7167] RET ldv_s_der() VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7168] FCALL usb_serial_deregister(ldv_func_arg1) VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4287] RET ldv_usb_serial_deregister_4(& ti_2port_device) [L4289] CALL ldv_usb_serial_deregister_5(& ti_1port_device) [L7175] CALL ldv_s_der() VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7239] COND TRUE ldv_usb == 0 VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7243] COND FALSE !(ldv_usb_s == 1) VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7245] CALL ldv_error() VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3977] reach_error() VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62614:62587}, closing_wait=4000, debug=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 78 procedures, 1587 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 238.7s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 223.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 37532 SdHoareTripleChecker+Valid, 215.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35196 mSDsluCounter, 59278 SdHoareTripleChecker+Invalid, 202.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44629 mSDsCounter, 13442 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56954 IncrementalHoareTripleChecker+Invalid, 70413 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13442 mSolverCounterUnsat, 14649 mSDtfsCounter, 56954 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11536occurred in iteration=5, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 20246 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 1234 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4346 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 392/395 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 [2022-11-23 02:57:39,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS --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 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:57:41,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:57:41,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:57:41,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:57:41,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:57:41,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:57:41,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:57:41,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:57:41,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:57:41,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:57:41,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:57:41,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:57:41,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:57:41,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:57:41,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:57:41,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:57:41,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:57:41,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:57:41,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:57:41,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:57:41,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:57:41,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:57:41,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:57:41,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:57:41,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:57:41,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:57:41,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:57:41,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:57:41,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:57:41,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:57:41,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:57:41,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:57:41,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:57:41,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:57:41,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:57:41,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:57:41,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:57:41,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:57:41,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:57:41,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:57:41,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:57:41,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-23 02:57:41,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:57:41,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:57:41,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:57:41,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:57:41,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:57:41,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:57:41,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:57:41,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:57:41,945 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:57:41,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:57:41,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:57:41,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:57:41,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:57:41,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:57:41,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 02:57:41,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 02:57:41,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 02:57:41,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:57:41,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:57:41,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:57:41,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:57:41,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:57:41,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:57:41,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:57:41,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:57:41,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:57:41,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:57:41,954 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 02:57:41,954 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 02:57:41,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:57:41,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:57:41,955 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:57:41,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:57:41,956 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 02:57:41,956 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2022-11-23 02:57:42,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:57:42,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:57:42,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:57:42,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:57:42,471 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:57:42,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 02:57:45,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:57:46,503 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:57:46,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 02:57:46,558 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data/203d92e00/e028bbffbcb84b43a7408d008a6acaaa/FLAG3d4180c69 [2022-11-23 02:57:46,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/data/203d92e00/e028bbffbcb84b43a7408d008a6acaaa [2022-11-23 02:57:46,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:57:46,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:57:46,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:57:46,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:57:46,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:57:46,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:46" (1/1) ... [2022-11-23 02:57:46,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d862929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:46, skipping insertion in model container [2022-11-23 02:57:46,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:57:46" (1/1) ... [2022-11-23 02:57:46,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:57:46,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:57:48,104 WARN L237 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_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 02:57:48,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:48,670 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 02:57:48,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:57:48,828 WARN L237 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_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 02:57:49,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:49,120 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:57:49,312 WARN L237 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_9c964fe2-b441-4a97-8b7f-43775b73cfd6/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 02:57:49,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:57:49,853 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:57:49,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49 WrapperNode [2022-11-23 02:57:49,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:57:49,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:57:49,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:57:49,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:57:49,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,290 INFO L138 Inliner]: procedures = 219, calls = 2337, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 4806 [2022-11-23 02:57:50,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:57:50,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:57:50,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:57:50,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:57:50,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,680 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:57:50,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:57:50,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:57:50,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:57:50,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (1/1) ... [2022-11-23 02:57:50,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:57:50,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:57:50,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:57:50,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:57:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-23 02:57:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-23 02:57:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-23 02:57:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-23 02:57:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-23 02:57:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 02:57:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 02:57:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-23 02:57:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 02:57:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 02:57:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 02:57:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-23 02:57:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 02:57:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 02:57:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 02:57:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-23 02:57:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-23 02:57:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-23 02:57:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-23 02:57:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 02:57:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 02:57:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:57:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:57:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-23 02:57:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-23 02:57:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-23 02:57:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-23 02:57:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-23 02:57:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-23 02:57:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-23 02:57:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-23 02:57:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 02:57:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 02:57:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 02:57:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 02:57:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-23 02:57:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-23 02:57:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 02:57:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 02:57:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-23 02:57:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-23 02:57:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 02:57:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 02:57:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-23 02:57:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-23 02:57:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-23 02:57:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-23 02:57:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-23 02:57:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-23 02:57:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-23 02:57:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-23 02:57:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-11-23 02:57:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-11-23 02:57:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-23 02:57:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-23 02:57:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 02:57:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 02:57:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:57:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-23 02:57:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-23 02:57:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-23 02:57:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-23 02:57:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-23 02:57:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-23 02:57:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:57:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-23 02:57:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-23 02:57:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 02:57:50,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 02:57:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-23 02:57:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-23 02:57:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:57:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 02:57:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-23 02:57:50,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-23 02:57:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:57:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-23 02:57:50,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-23 02:57:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-23 02:57:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-23 02:57:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 02:57:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 02:57:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-23 02:57:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 02:57:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 02:57:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-23 02:57:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-23 02:57:50,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-23 02:57:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-23 02:57:50,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-23 02:57:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 02:57:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 02:57:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2022-11-23 02:57:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2022-11-23 02:57:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 02:57:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 02:57:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 02:57:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 02:57:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 02:57:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 02:57:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 02:57:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 02:57:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-23 02:57:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-23 02:57:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 02:57:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 02:57:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-23 02:57:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-23 02:57:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 02:57:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 02:57:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 02:57:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 02:57:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-11-23 02:57:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-11-23 02:57:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-23 02:57:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-23 02:57:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 02:57:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 02:57:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 02:57:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 02:57:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-23 02:57:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-23 02:57:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-23 02:57:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-23 02:57:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 02:57:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 02:57:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 02:57:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 02:57:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2022-11-23 02:57:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2022-11-23 02:57:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-23 02:57:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-23 02:57:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-23 02:57:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:57:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 02:57:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 02:57:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-11-23 02:57:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-23 02:57:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-23 02:57:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-23 02:57:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 02:57:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-23 02:57:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 02:57:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-23 02:57:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-23 02:57:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-23 02:57:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 02:57:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 02:57:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-23 02:57:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-23 02:57:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-23 02:57:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-23 02:57:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 02:57:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 02:57:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-23 02:57:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-23 02:57:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 02:57:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 02:57:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2022-11-23 02:57:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2022-11-23 02:57:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-23 02:57:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-23 02:57:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-23 02:57:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-23 02:57:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-23 02:57:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:57:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:57:51,965 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:57:51,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:57:52,611 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 02:59:55,239 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:59:55,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:59:55,260 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:59:55,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:55 BoogieIcfgContainer [2022-11-23 02:59:55,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:59:55,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:59:55,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:59:55,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:59:55,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:57:46" (1/3) ... [2022-11-23 02:59:55,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d22817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:55, skipping insertion in model container [2022-11-23 02:59:55,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:57:49" (2/3) ... [2022-11-23 02:59:55,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d22817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:55, skipping insertion in model container [2022-11-23 02:59:55,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:55" (3/3) ... [2022-11-23 02:59:55,277 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 02:59:55,302 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:59:55,302 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 02:59:55,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:59:55,412 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6de04f74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:59:55,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 02:59:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 1559 states, 1133 states have (on average 1.4333627537511033) internal successors, (1624), 1162 states have internal predecessors, (1624), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) [2022-11-23 02:59:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 02:59:55,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:59:55,440 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 02:59:55,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 02:59:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:59:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1700598232, now seen corresponding path program 1 times [2022-11-23 02:59:55,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:59:55,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667108060] [2022-11-23 02:59:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:59:55,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:59:55,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:59:55,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:59:55,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 02:59:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:59:59,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 3043 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:59:59,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:00:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:00:00,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:00:00,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:00:00,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667108060] [2022-11-23 03:00:00,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667108060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:00,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:00,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:00:00,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268632057] [2022-11-23 03:00:00,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:00,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:00:00,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:00:00,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:00:00,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:00:00,100 INFO L87 Difference]: Start difference. First operand has 1559 states, 1133 states have (on average 1.4333627537511033) internal successors, (1624), 1162 states have internal predecessors, (1624), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 03:00:02,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:00:03,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:00:03,765 INFO L93 Difference]: Finished difference Result 4443 states and 6916 transitions. [2022-11-23 03:00:03,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:00:03,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2022-11-23 03:00:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:00:03,810 INFO L225 Difference]: With dead ends: 4443 [2022-11-23 03:00:03,810 INFO L226 Difference]: Without dead ends: 2871 [2022-11-23 03:00:03,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:00:03,836 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 2113 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 4657 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:00:03,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 4657 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 03:00:03,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2022-11-23 03:00:04,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2867. [2022-11-23 03:00:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2080 states have (on average 1.4235576923076922) internal successors, (2961), 2118 states have internal predecessors, (2961), 643 states have call successors, (643), 144 states have call predecessors, (643), 143 states have return successors, (638), 634 states have call predecessors, (638), 638 states have call successors, (638) [2022-11-23 03:00:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 4242 transitions. [2022-11-23 03:00:04,146 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 4242 transitions. Word has length 43 [2022-11-23 03:00:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:00:04,147 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 4242 transitions. [2022-11-23 03:00:04,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 03:00:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 4242 transitions. [2022-11-23 03:00:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 03:00:04,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:00:04,167 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:00:04,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:04,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:00:04,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:00:04,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:04,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1768961092, now seen corresponding path program 1 times [2022-11-23 03:00:04,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:00:04,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612615293] [2022-11-23 03:00:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:04,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:00:04,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:00:04,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:00:04,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 03:00:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:08,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:00:08,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:00:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:00:09,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:00:09,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:00:09,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612615293] [2022-11-23 03:00:09,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612615293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:09,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:09,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:00:09,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324032690] [2022-11-23 03:00:09,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:09,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 03:00:09,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:00:09,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:00:09,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:00:09,836 INFO L87 Difference]: Start difference. First operand 2867 states and 4242 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:00:13,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:00:13,231 INFO L93 Difference]: Finished difference Result 8210 states and 12628 transitions. [2022-11-23 03:00:13,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:00:13,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2022-11-23 03:00:13,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:00:13,295 INFO L225 Difference]: With dead ends: 8210 [2022-11-23 03:00:13,295 INFO L226 Difference]: Without dead ends: 5356 [2022-11-23 03:00:13,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:00:13,329 INFO L413 NwaCegarLoop]: 3312 mSDtfsCounter, 2734 mSDsluCounter, 15376 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2855 SdHoareTripleChecker+Valid, 18688 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:00:13,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2855 Valid, 18688 Invalid, 669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 03:00:13,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5356 states. [2022-11-23 03:00:13,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5356 to 2872. [2022-11-23 03:00:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2872 states, 2084 states have (on average 1.4227447216890594) internal successors, (2965), 2122 states have internal predecessors, (2965), 643 states have call successors, (643), 144 states have call predecessors, (643), 144 states have return successors, (640), 635 states have call predecessors, (640), 638 states have call successors, (640) [2022-11-23 03:00:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 4248 transitions. [2022-11-23 03:00:13,572 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 4248 transitions. Word has length 64 [2022-11-23 03:00:13,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:00:13,573 INFO L495 AbstractCegarLoop]: Abstraction has 2872 states and 4248 transitions. [2022-11-23 03:00:13,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:00:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 4248 transitions. [2022-11-23 03:00:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 03:00:13,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:00:13,579 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:00:13,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:13,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:00:13,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:00:13,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1182155078, now seen corresponding path program 1 times [2022-11-23 03:00:13,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:00:13,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490440199] [2022-11-23 03:00:13,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:13,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:00:13,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:00:13,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:00:13,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 03:00:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:17,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:00:17,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:00:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:00:19,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:00:19,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:00:19,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490440199] [2022-11-23 03:00:20,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490440199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:20,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:20,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:00:20,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072520714] [2022-11-23 03:00:20,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:20,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:00:20,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:00:20,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:00:20,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:00:20,002 INFO L87 Difference]: Start difference. First operand 2872 states and 4248 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:00:20,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:00:20,403 INFO L93 Difference]: Finished difference Result 5704 states and 8447 transitions. [2022-11-23 03:00:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:00:20,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2022-11-23 03:00:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:00:20,451 INFO L225 Difference]: With dead ends: 5704 [2022-11-23 03:00:20,451 INFO L226 Difference]: Without dead ends: 5691 [2022-11-23 03:00:20,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:00:20,467 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 2137 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 4652 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:00:20,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 4652 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:00:20,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2022-11-23 03:00:20,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 5689. [2022-11-23 03:00:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5689 states, 4133 states have (on average 1.4246310186305347) internal successors, (5888), 4206 states have internal predecessors, (5888), 1271 states have call successors, (1271), 285 states have call predecessors, (1271), 284 states have return successors, (1270), 1257 states have call predecessors, (1270), 1266 states have call successors, (1270) [2022-11-23 03:00:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5689 states to 5689 states and 8429 transitions. [2022-11-23 03:00:20,818 INFO L78 Accepts]: Start accepts. Automaton has 5689 states and 8429 transitions. Word has length 64 [2022-11-23 03:00:20,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:00:20,819 INFO L495 AbstractCegarLoop]: Abstraction has 5689 states and 8429 transitions. [2022-11-23 03:00:20,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:00:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 5689 states and 8429 transitions. [2022-11-23 03:00:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 03:00:20,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:00:20,825 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:00:20,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 03:00:21,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:00:21,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:00:21,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:00:21,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2008507278, now seen corresponding path program 1 times [2022-11-23 03:00:21,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:00:21,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105965666] [2022-11-23 03:00:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:00:21,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:00:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:00:21,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:00:21,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 03:00:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:00:25,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:00:25,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:00:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:00:27,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:00:27,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:00:27,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105965666] [2022-11-23 03:00:27,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105965666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:00:27,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:00:27,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:00:27,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42575129] [2022-11-23 03:00:27,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:00:27,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:00:27,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:00:27,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:00:27,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:00:27,183 INFO L87 Difference]: Start difference. First operand 5689 states and 8429 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:00:29,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:01:02,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:01:07,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:01:11,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:01:27,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:01:53,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:01:57,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:02:11,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:11,748 INFO L93 Difference]: Finished difference Result 16835 states and 24993 transitions. [2022-11-23 03:02:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:02:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2022-11-23 03:02:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:11,854 INFO L225 Difference]: With dead ends: 16835 [2022-11-23 03:02:11,854 INFO L226 Difference]: Without dead ends: 11156 [2022-11-23 03:02:11,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:02:11,903 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3653 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3501 mSolverCounterSat, 1020 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3982 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 3501 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:11,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3982 Valid, 2019 Invalid, 4528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1020 Valid, 3501 Invalid, 7 Unknown, 0 Unchecked, 103.6s Time] [2022-11-23 03:02:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11156 states. [2022-11-23 03:02:12,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11156 to 11128. [2022-11-23 03:02:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11128 states, 8080 states have (on average 1.425371287128713) internal successors, (11517), 8221 states have internal predecessors, (11517), 2485 states have call successors, (2485), 565 states have call predecessors, (2485), 562 states have return successors, (2530), 2453 states have call predecessors, (2530), 2474 states have call successors, (2530) [2022-11-23 03:02:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11128 states to 11128 states and 16532 transitions. [2022-11-23 03:02:12,828 INFO L78 Accepts]: Start accepts. Automaton has 11128 states and 16532 transitions. Word has length 65 [2022-11-23 03:02:12,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:12,831 INFO L495 AbstractCegarLoop]: Abstraction has 11128 states and 16532 transitions. [2022-11-23 03:02:12,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:02:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 11128 states and 16532 transitions. [2022-11-23 03:02:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 03:02:12,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:12,841 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:12,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:02:13,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:02:13,055 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:02:13,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:13,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1593099272, now seen corresponding path program 1 times [2022-11-23 03:02:13,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:02:13,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610545058] [2022-11-23 03:02:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:13,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:02:13,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:02:13,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:02:13,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 03:02:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:17,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 3108 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:02:17,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:02:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 03:02:18,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:02:18,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:02:18,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610545058] [2022-11-23 03:02:18,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610545058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:02:18,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:02:18,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:02:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483201950] [2022-11-23 03:02:18,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:02:18,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 03:02:18,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:02:18,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:02:18,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:02:18,417 INFO L87 Difference]: Start difference. First operand 11128 states and 16532 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 03:02:22,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:02:22,951 INFO L93 Difference]: Finished difference Result 28749 states and 44000 transitions. [2022-11-23 03:02:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:02:22,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2022-11-23 03:02:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:02:23,102 INFO L225 Difference]: With dead ends: 28749 [2022-11-23 03:02:23,102 INFO L226 Difference]: Without dead ends: 17634 [2022-11-23 03:02:23,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-23 03:02:23,171 INFO L413 NwaCegarLoop]: 3669 mSDtfsCounter, 2453 mSDsluCounter, 16258 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 19927 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:02:23,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 19927 Invalid, 661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [593 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 03:02:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17634 states. [2022-11-23 03:02:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17634 to 11134. [2022-11-23 03:02:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11134 states, 8086 states have (on average 1.4250556517437547) internal successors, (11523), 8225 states have internal predecessors, (11523), 2485 states have call successors, (2485), 565 states have call predecessors, (2485), 562 states have return successors, (2530), 2455 states have call predecessors, (2530), 2474 states have call successors, (2530) [2022-11-23 03:02:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11134 states to 11134 states and 16538 transitions. [2022-11-23 03:02:24,244 INFO L78 Accepts]: Start accepts. Automaton has 11134 states and 16538 transitions. Word has length 76 [2022-11-23 03:02:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:02:24,245 INFO L495 AbstractCegarLoop]: Abstraction has 11134 states and 16538 transitions. [2022-11-23 03:02:24,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 03:02:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 11134 states and 16538 transitions. [2022-11-23 03:02:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 03:02:24,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:02:24,253 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:02:24,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:02:24,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:02:24,464 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:02:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:02:24,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1334933834, now seen corresponding path program 1 times [2022-11-23 03:02:24,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:02:24,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286784549] [2022-11-23 03:02:24,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:02:24,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:02:24,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:02:24,469 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:02:24,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-23 03:02:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:02:28,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:02:28,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:02:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:02:30,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:02:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 03:02:32,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:02:32,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286784549] [2022-11-23 03:02:32,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286784549] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:02:32,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:02:32,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2022-11-23 03:02:32,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093490684] [2022-11-23 03:02:32,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:02:32,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:02:32,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:02:32,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:02:32,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:02:32,060 INFO L87 Difference]: Start difference. First operand 11134 states and 16538 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 03:02:34,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:02:37,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:03:33,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:03:43,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:03:48,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:04:15,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:04:55,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:05:02,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:05:19,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:05:23,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:05:23,633 INFO L93 Difference]: Finished difference Result 11569 states and 17037 transitions. [2022-11-23 03:05:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:05:23,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2022-11-23 03:05:23,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:05:23,706 INFO L225 Difference]: With dead ends: 11569 [2022-11-23 03:05:23,706 INFO L226 Difference]: Without dead ends: 11566 [2022-11-23 03:05:23,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:05:23,716 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 3247 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 4598 mSolverCounterSat, 869 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 2987 SdHoareTripleChecker+Invalid, 5475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 4598 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:05:23,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 2987 Invalid, 5475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [869 Valid, 4598 Invalid, 8 Unknown, 0 Unchecked, 170.6s Time] [2022-11-23 03:05:23,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2022-11-23 03:05:24,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 11546. [2022-11-23 03:05:24,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11546 states, 8392 states have (on average 1.4169447092469019) internal successors, (11891), 8541 states have internal predecessors, (11891), 2513 states have call successors, (2513), 629 states have call predecessors, (2513), 640 states have return successors, (2606), 2487 states have call predecessors, (2606), 2502 states have call successors, (2606) [2022-11-23 03:05:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11546 states to 11546 states and 17010 transitions. [2022-11-23 03:05:24,535 INFO L78 Accepts]: Start accepts. Automaton has 11546 states and 17010 transitions. Word has length 76 [2022-11-23 03:05:24,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:05:24,537 INFO L495 AbstractCegarLoop]: Abstraction has 11546 states and 17010 transitions. [2022-11-23 03:05:24,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 03:05:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 11546 states and 17010 transitions. [2022-11-23 03:05:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 03:05:24,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:05:24,544 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:05:24,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:05:24,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:05:24,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:05:24,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:05:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1194385224, now seen corresponding path program 1 times [2022-11-23 03:05:24,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:05:24,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699919961] [2022-11-23 03:05:24,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:05:24,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:05:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:05:24,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:05:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-23 03:05:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:05:28,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 3106 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:05:28,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:05:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:05:30,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:05:30,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:05:30,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699919961] [2022-11-23 03:05:30,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699919961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:05:30,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:05:30,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:05:30,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297719800] [2022-11-23 03:05:30,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:05:30,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 03:05:30,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:05:30,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:05:30,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:05:30,012 INFO L87 Difference]: Start difference. First operand 11546 states and 17010 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 03:05:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:05:34,257 INFO L93 Difference]: Finished difference Result 23164 states and 34734 transitions. [2022-11-23 03:05:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:05:34,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2022-11-23 03:05:34,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:05:34,326 INFO L225 Difference]: With dead ends: 23164 [2022-11-23 03:05:34,326 INFO L226 Difference]: Without dead ends: 11631 [2022-11-23 03:05:34,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:05:34,374 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 1843 mSDsluCounter, 13950 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 16955 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:05:34,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 16955 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 03:05:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11631 states. [2022-11-23 03:05:35,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11631 to 8792. [2022-11-23 03:05:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8792 states, 6395 states have (on average 1.414542611415168) internal successors, (9046), 6506 states have internal predecessors, (9046), 1902 states have call successors, (1902), 489 states have call predecessors, (1902), 494 states have return successors, (1948), 1882 states have call predecessors, (1948), 1895 states have call successors, (1948) [2022-11-23 03:05:35,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8792 states to 8792 states and 12896 transitions. [2022-11-23 03:05:35,190 INFO L78 Accepts]: Start accepts. Automaton has 8792 states and 12896 transitions. Word has length 76 [2022-11-23 03:05:35,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:05:35,191 INFO L495 AbstractCegarLoop]: Abstraction has 8792 states and 12896 transitions. [2022-11-23 03:05:35,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 03:05:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 8792 states and 12896 transitions. [2022-11-23 03:05:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-23 03:05:35,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:05:35,207 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:05:35,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:05:35,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:05:35,431 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:05:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:05:35,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1270615411, now seen corresponding path program 1 times [2022-11-23 03:05:35,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:05:35,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084211162] [2022-11-23 03:05:35,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:05:35,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:05:35,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:05:35,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:05:35,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-23 03:05:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:05:39,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:05:39,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:05:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 03:05:40,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:05:40,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:05:40,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084211162] [2022-11-23 03:05:40,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084211162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:05:40,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:05:40,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:05:40,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501451752] [2022-11-23 03:05:40,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:05:40,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 03:05:40,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:05:40,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:05:40,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:05:40,683 INFO L87 Difference]: Start difference. First operand 8792 states and 12896 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 03:05:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:05:53,434 INFO L93 Difference]: Finished difference Result 13739 states and 21226 transitions. [2022-11-23 03:05:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 03:05:53,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 81 [2022-11-23 03:05:53,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:05:53,507 INFO L225 Difference]: With dead ends: 13739 [2022-11-23 03:05:53,507 INFO L226 Difference]: Without dead ends: 13719 [2022-11-23 03:05:53,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-23 03:05:53,516 INFO L413 NwaCegarLoop]: 3279 mSDtfsCounter, 5608 mSDsluCounter, 13997 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 1309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5732 SdHoareTripleChecker+Valid, 17276 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1309 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:05:53,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5732 Valid, 17276 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1309 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-23 03:05:53,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2022-11-23 03:05:54,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 8796. [2022-11-23 03:05:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8796 states, 6399 states have (on average 1.4142834817940304) internal successors, (9050), 6510 states have internal predecessors, (9050), 1902 states have call successors, (1902), 489 states have call predecessors, (1902), 494 states have return successors, (1948), 1882 states have call predecessors, (1948), 1895 states have call successors, (1948) [2022-11-23 03:05:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 12900 transitions. [2022-11-23 03:05:54,283 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 12900 transitions. Word has length 81 [2022-11-23 03:05:54,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:05:54,283 INFO L495 AbstractCegarLoop]: Abstraction has 8796 states and 12900 transitions. [2022-11-23 03:05:54,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 03:05:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 12900 transitions. [2022-11-23 03:05:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 03:05:54,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:05:54,299 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:05:54,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:05:54,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:05:54,507 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:05:54,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:05:54,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1864212269, now seen corresponding path program 1 times [2022-11-23 03:05:54,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 03:05:54,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419477479] [2022-11-23 03:05:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:05:54,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 03:05:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 03:05:54,514 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 03:05:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c964fe2-b441-4a97-8b7f-43775b73cfd6/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-23 03:05:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:05:58,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 3144 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:05:58,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:05:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 03:05:58,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:05:58,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 03:05:58,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419477479] [2022-11-23 03:05:58,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419477479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:05:58,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:05:58,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:05:58,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914142306] [2022-11-23 03:05:58,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:05:58,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:05:58,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 03:05:58,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:05:58,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:05:58,781 INFO L87 Difference]: Start difference. First operand 8796 states and 12900 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 03:06:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:06:03,629 INFO L93 Difference]: Finished difference Result 15621 states and 23070 transitions. [2022-11-23 03:06:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:06:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 82 [2022-11-23 03:06:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:06:03,663 INFO L225 Difference]: With dead ends: 15621 [2022-11-23 03:06:03,663 INFO L226 Difference]: Without dead ends: 6838 [2022-11-23 03:06:03,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:06:03,694 INFO L413 NwaCegarLoop]: 2731 mSDtfsCounter, 2767 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:06:03,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 5019 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-23 03:06:03,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6838 states.