./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3a88d220dbbb3b8b830b41f15ad66094bc858c7c21fc995876c56b7a27538e4 --- 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-8393723 [2022-11-18 20:59:47,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:59:47,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:59:47,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:59:47,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:59:47,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:59:47,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:59:47,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:59:47,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:59:47,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:59:47,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:59:47,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:59:47,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:59:47,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:59:47,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:59:47,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:59:47,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:59:47,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:59:47,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:59:47,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:59:47,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:59:47,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:59:47,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:59:47,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:59:47,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:59:47,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:59:47,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:59:47,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:59:47,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:59:47,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:59:47,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:59:47,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:59:47,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:59:47,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:59:47,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:59:47,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:59:47,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:59:47,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:59:47,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:59:47,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:59:47,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:59:47,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:59:47,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:59:47,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:59:47,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:59:47,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:59:47,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:59:47,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:59:47,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:59:47,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:59:47,773 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:59:47,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:59:47,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:59:47,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:59:47,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:59:47,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:59:47,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:59:47,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:59:47,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:59:47,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:59:47,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:59:47,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:59:47,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:59:47,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:59:47,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:59:47,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:59:47,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:59:47,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:59:47,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:59:47,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:59:47,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:59:47,781 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:59:47,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:59:47,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:59:47,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a88d220dbbb3b8b830b41f15ad66094bc858c7c21fc995876c56b7a27538e4 [2022-11-18 20:59:48,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:59:48,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:59:48,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:59:48,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:59:48,201 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:59:48,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2022-11-18 20:59:48,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/data/f0f48ed8f/8cba96d92e89424ba2633cbcd5181282/FLAGa01d1ee2b [2022-11-18 20:59:49,306 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:59:49,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2022-11-18 20:59:49,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/data/f0f48ed8f/8cba96d92e89424ba2633cbcd5181282/FLAGa01d1ee2b [2022-11-18 20:59:49,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/data/f0f48ed8f/8cba96d92e89424ba2633cbcd5181282 [2022-11-18 20:59:49,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:59:49,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:59:49,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:49,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:59:49,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:59:49,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:49" (1/1) ... [2022-11-18 20:59:49,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752e4b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:49, skipping insertion in model container [2022-11-18 20:59:49,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:49" (1/1) ... [2022-11-18 20:59:49,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:59:49,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:59:51,208 WARN L234 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_92a13fc6-4466-4b31-b900-3ca725f8ebcf/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2022-11-18 20:59:51,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:51,361 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:59:51,851 WARN L234 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_92a13fc6-4466-4b31-b900-3ca725f8ebcf/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-rc-imon--32_7a--a9e7fb5.i[200991,201004] [2022-11-18 20:59:51,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:52,005 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:59:52,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52 WrapperNode [2022-11-18 20:59:52,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:52,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:52,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:59:52,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:59:52,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,246 INFO L138 Inliner]: procedures = 240, calls = 2379, calls flagged for inlining = 110, calls inlined = 62, statements flattened = 2526 [2022-11-18 20:59:52,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:52,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:59:52,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:59:52,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:59:52,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:59:52,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:59:52,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:59:52,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:59:52,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (1/1) ... [2022-11-18 20:59:52,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:59:52,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:52,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:52,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:59:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 20:59:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 20:59:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 20:59:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 20:59:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-18 20:59:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:59:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:59:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-11-18 20:59:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-11-18 20:59:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 20:59:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 20:59:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-18 20:59:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-18 20:59:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:59:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:59:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-11-18 20:59:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-11-18 20:59:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-18 20:59:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-18 20:59:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:59:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:59:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:59:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:59:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-11-18 20:59:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-11-18 20:59:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2022-11-18 20:59:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2022-11-18 20:59:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 20:59:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 20:59:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:59:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:59:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-11-18 20:59:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-11-18 20:59:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:59:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-18 20:59:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-18 20:59:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:59:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-18 20:59:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-18 20:59:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-18 20:59:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-18 20:59:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:59:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:59:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:59:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:59:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:59:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:59:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 20:59:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 20:59:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-18 20:59:52,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-18 20:59:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-11-18 20:59:52,681 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-11-18 20:59:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-18 20:59:52,683 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-18 20:59:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 20:59:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 20:59:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:59:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-18 20:59:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-18 20:59:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-18 20:59:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-18 20:59:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:59:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-18 20:59:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-18 20:59:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-18 20:59:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-18 20:59:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:59:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-18 20:59:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-18 20:59:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:59:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:59:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 20:59:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 20:59:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 20:59:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 20:59:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-18 20:59:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-18 20:59:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:59:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:59:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:59:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-11-18 20:59:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-11-18 20:59:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-18 20:59:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-18 20:59:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:59:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:59:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2022-11-18 20:59:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2022-11-18 20:59:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:59:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-18 20:59:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-18 20:59:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2022-11-18 20:59:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2022-11-18 20:59:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:59:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:59:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-18 20:59:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-18 20:59:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:59:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-11-18 20:59:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-11-18 20:59:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 20:59:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 20:59:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-11-18 20:59:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-11-18 20:59:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-18 20:59:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-18 20:59:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-11-18 20:59:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-11-18 20:59:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:59:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 20:59:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 20:59:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:59:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:59:53,377 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:59:53,385 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:59:57,887 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:59:57,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:59:57,901 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:59:57,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:57 BoogieIcfgContainer [2022-11-18 20:59:57,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:59:57,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:59:57,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:59:57,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:59:57,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:59:49" (1/3) ... [2022-11-18 20:59:57,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bbc9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:59:57, skipping insertion in model container [2022-11-18 20:59:57,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:52" (2/3) ... [2022-11-18 20:59:57,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bbc9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:59:57, skipping insertion in model container [2022-11-18 20:59:57,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:57" (3/3) ... [2022-11-18 20:59:57,915 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-rc-imon--32_7a--a9e7fb5.i [2022-11-18 20:59:57,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:59:57,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-18 20:59:58,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:59:58,042 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;@5af6d7e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:59:58,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-18 20:59:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 719 states, 488 states have (on average 1.3217213114754098) internal successors, (645), 518 states have internal predecessors, (645), 166 states have call successors, (166), 48 states have call predecessors, (166), 48 states have return successors, (166), 165 states have call predecessors, (166), 166 states have call successors, (166) [2022-11-18 20:59:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-18 20:59:58,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:59:58,069 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 20:59:58,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 20:59:58,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:58,076 INFO L85 PathProgramCache]: Analyzing trace with hash -779203333, now seen corresponding path program 1 times [2022-11-18 20:59:58,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:58,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903180393] [2022-11-18 20:59:58,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:59:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:59:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:59:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:59:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:59:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 20:59:59,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:59,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903180393] [2022-11-18 20:59:59,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903180393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:59,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:59,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:59:59,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358900596] [2022-11-18 20:59:59,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:59,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:59:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:59,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:59:59,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:59:59,341 INFO L87 Difference]: Start difference. First operand has 719 states, 488 states have (on average 1.3217213114754098) internal successors, (645), 518 states have internal predecessors, (645), 166 states have call successors, (166), 48 states have call predecessors, (166), 48 states have return successors, (166), 165 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-18 21:00:01,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:01,523 INFO L93 Difference]: Finished difference Result 1484 states and 2078 transitions. [2022-11-18 21:00:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:00:01,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2022-11-18 21:00:01,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:01,547 INFO L225 Difference]: With dead ends: 1484 [2022-11-18 21:00:01,548 INFO L226 Difference]: Without dead ends: 756 [2022-11-18 21:00:01,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:00:01,561 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 453 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:01,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1712 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 21:00:01,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-11-18 21:00:01,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 721. [2022-11-18 21:00:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 497 states have (on average 1.2997987927565393) internal successors, (646), 517 states have internal predecessors, (646), 163 states have call successors, (163), 47 states have call predecessors, (163), 47 states have return successors, (163), 162 states have call predecessors, (163), 163 states have call successors, (163) [2022-11-18 21:00:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 972 transitions. [2022-11-18 21:00:01,666 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 972 transitions. Word has length 44 [2022-11-18 21:00:01,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:01,666 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 972 transitions. [2022-11-18 21:00:01,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-18 21:00:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 972 transitions. [2022-11-18 21:00:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-18 21:00:01,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:01,679 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:01,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:00:01,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting imon_find_endpointsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:01,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:01,681 INFO L85 PathProgramCache]: Analyzing trace with hash 20619342, now seen corresponding path program 1 times [2022-11-18 21:00:01,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:01,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227954726] [2022-11-18 21:00:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:01,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:02,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:02,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227954726] [2022-11-18 21:00:02,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227954726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:02,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:02,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:00:02,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602641420] [2022-11-18 21:00:02,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:02,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:00:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:02,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:00:02,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:00:02,612 INFO L87 Difference]: Start difference. First operand 721 states and 972 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:00:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:06,920 INFO L93 Difference]: Finished difference Result 818 states and 1121 transitions. [2022-11-18 21:00:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:00:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 127 [2022-11-18 21:00:06,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:06,928 INFO L225 Difference]: With dead ends: 818 [2022-11-18 21:00:06,928 INFO L226 Difference]: Without dead ends: 816 [2022-11-18 21:00:06,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:00:06,931 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 869 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:06,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 2159 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-18 21:00:06,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2022-11-18 21:00:06,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 739. [2022-11-18 21:00:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 513 states have (on average 1.307992202729045) internal successors, (671), 533 states have internal predecessors, (671), 165 states have call successors, (165), 47 states have call predecessors, (165), 47 states have return successors, (165), 164 states have call predecessors, (165), 165 states have call successors, (165) [2022-11-18 21:00:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1001 transitions. [2022-11-18 21:00:07,000 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1001 transitions. Word has length 127 [2022-11-18 21:00:07,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:07,005 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 1001 transitions. [2022-11-18 21:00:07,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:00:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1001 transitions. [2022-11-18 21:00:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-18 21:00:07,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:07,019 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:07,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:00:07,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:07,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:07,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1705050380, now seen corresponding path program 1 times [2022-11-18 21:00:07,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:07,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806032784] [2022-11-18 21:00:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 21:00:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 21:00:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 21:00:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 21:00:07,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:07,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806032784] [2022-11-18 21:00:07,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806032784] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:07,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322336336] [2022-11-18 21:00:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:07,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:07,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 21:00:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 3639 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:00:08,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:08,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:00:08,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322336336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:08,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:00:08,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-18 21:00:08,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662378695] [2022-11-18 21:00:08,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:08,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:00:08,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:00:08,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:00:08,945 INFO L87 Difference]: Start difference. First operand 739 states and 1001 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 21:00:09,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:09,128 INFO L93 Difference]: Finished difference Result 1470 states and 1992 transitions. [2022-11-18 21:00:09,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:00:09,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2022-11-18 21:00:09,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:09,136 INFO L225 Difference]: With dead ends: 1470 [2022-11-18 21:00:09,137 INFO L226 Difference]: Without dead ends: 739 [2022-11-18 21:00:09,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:00:09,148 INFO L413 NwaCegarLoop]: 932 mSDtfsCounter, 3 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3722 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:09,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3722 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:00:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-18 21:00:09,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2022-11-18 21:00:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 513 states have (on average 1.3060428849902534) internal successors, (670), 533 states have internal predecessors, (670), 165 states have call successors, (165), 47 states have call predecessors, (165), 47 states have return successors, (165), 164 states have call predecessors, (165), 165 states have call successors, (165) [2022-11-18 21:00:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1000 transitions. [2022-11-18 21:00:09,291 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1000 transitions. Word has length 140 [2022-11-18 21:00:09,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:09,294 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 1000 transitions. [2022-11-18 21:00:09,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 21:00:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1000 transitions. [2022-11-18 21:00:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-18 21:00:09,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:09,302 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:09,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:09,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:09,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:09,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:09,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2045044342, now seen corresponding path program 1 times [2022-11-18 21:00:09,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:09,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890617863] [2022-11-18 21:00:09,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:09,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 21:00:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 21:00:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 21:00:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 21:00:10,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:10,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890617863] [2022-11-18 21:00:10,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890617863] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:10,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577840882] [2022-11-18 21:00:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:10,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:10,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:10,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:10,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 21:00:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:11,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 3638 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:00:11,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 21:00:11,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:00:11,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577840882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:11,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:00:11,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-18 21:00:11,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357707330] [2022-11-18 21:00:11,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:11,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:00:11,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:11,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:00:11,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:00:11,734 INFO L87 Difference]: Start difference. First operand 739 states and 1000 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-18 21:00:11,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:11,845 INFO L93 Difference]: Finished difference Result 1471 states and 1992 transitions. [2022-11-18 21:00:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:00:11,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 140 [2022-11-18 21:00:11,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:11,851 INFO L225 Difference]: With dead ends: 1471 [2022-11-18 21:00:11,851 INFO L226 Difference]: Without dead ends: 735 [2022-11-18 21:00:11,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:00:11,855 INFO L413 NwaCegarLoop]: 930 mSDtfsCounter, 7 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:11,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3713 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:00:11,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-11-18 21:00:11,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-11-18 21:00:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 511 states have (on average 1.3033268101761253) internal successors, (666), 531 states have internal predecessors, (666), 163 states have call successors, (163), 47 states have call predecessors, (163), 47 states have return successors, (163), 162 states have call predecessors, (163), 163 states have call successors, (163) [2022-11-18 21:00:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 992 transitions. [2022-11-18 21:00:11,902 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 992 transitions. Word has length 140 [2022-11-18 21:00:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:11,903 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 992 transitions. [2022-11-18 21:00:11,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-18 21:00:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 992 transitions. [2022-11-18 21:00:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-18 21:00:11,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:11,907 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:11,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 21:00:12,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:12,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting imon_find_endpointsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:12,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:12,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1468673030, now seen corresponding path program 1 times [2022-11-18 21:00:12,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:12,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343295533] [2022-11-18 21:00:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:12,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:12,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:12,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343295533] [2022-11-18 21:00:12,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343295533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:12,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298988344] [2022-11-18 21:00:12,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:12,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:12,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:12,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:12,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 21:00:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:13,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 3733 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 21:00:13,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:14,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:14,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298988344] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:00:14,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:00:14,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-11-18 21:00:14,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793701220] [2022-11-18 21:00:14,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:00:14,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 21:00:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:14,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 21:00:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:00:14,232 INFO L87 Difference]: Start difference. First operand 735 states and 992 transitions. Second operand has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 7 states have internal predecessors, (119), 1 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:00:21,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:21,864 INFO L93 Difference]: Finished difference Result 929 states and 1303 transitions. [2022-11-18 21:00:21,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 21:00:21,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 7 states have internal predecessors, (119), 1 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2022-11-18 21:00:21,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:21,869 INFO L225 Difference]: With dead ends: 929 [2022-11-18 21:00:21,869 INFO L226 Difference]: Without dead ends: 928 [2022-11-18 21:00:21,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-11-18 21:00:21,871 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 1232 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 695 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 695 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:21,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 3558 Invalid, 3636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [695 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-18 21:00:21,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2022-11-18 21:00:21,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 788. [2022-11-18 21:00:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 558 states have (on average 1.3297491039426523) internal successors, (742), 578 states have internal predecessors, (742), 169 states have call successors, (169), 47 states have call predecessors, (169), 47 states have return successors, (169), 168 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-18 21:00:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1080 transitions. [2022-11-18 21:00:21,910 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1080 transitions. Word has length 137 [2022-11-18 21:00:21,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:21,911 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1080 transitions. [2022-11-18 21:00:21,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 7 states have internal predecessors, (119), 1 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:00:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1080 transitions. [2022-11-18 21:00:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-18 21:00:21,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:21,914 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:21,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:22,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:22,125 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting imon_find_endpointsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1715775953, now seen corresponding path program 1 times [2022-11-18 21:00:22,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:22,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502312589] [2022-11-18 21:00:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:22,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:22,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502312589] [2022-11-18 21:00:22,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502312589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:22,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907435167] [2022-11-18 21:00:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:22,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:22,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:22,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 21:00:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:23,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 3734 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 21:00:23,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:23,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:00:23,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907435167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:23,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:00:23,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-18 21:00:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60567306] [2022-11-18 21:00:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:23,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:00:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:00:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:00:23,755 INFO L87 Difference]: Start difference. First operand 788 states and 1080 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:00:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:23,847 INFO L93 Difference]: Finished difference Result 809 states and 1114 transitions. [2022-11-18 21:00:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:00:23,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2022-11-18 21:00:23,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:23,854 INFO L225 Difference]: With dead ends: 809 [2022-11-18 21:00:23,854 INFO L226 Difference]: Without dead ends: 808 [2022-11-18 21:00:23,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:00:23,857 INFO L413 NwaCegarLoop]: 964 mSDtfsCounter, 83 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:23,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 2756 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:00:23,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-11-18 21:00:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 787. [2022-11-18 21:00:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 558 states have (on average 1.3243727598566308) internal successors, (739), 577 states have internal predecessors, (739), 169 states have call successors, (169), 47 states have call predecessors, (169), 47 states have return successors, (169), 168 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-18 21:00:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1077 transitions. [2022-11-18 21:00:23,909 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1077 transitions. Word has length 138 [2022-11-18 21:00:23,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:23,910 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1077 transitions. [2022-11-18 21:00:23,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 21:00:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1077 transitions. [2022-11-18 21:00:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-18 21:00:23,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:23,915 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:23,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 21:00:24,133 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:24,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:24,134 INFO L85 PathProgramCache]: Analyzing trace with hash -868908815, now seen corresponding path program 1 times [2022-11-18 21:00:24,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:24,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065953597] [2022-11-18 21:00:24,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:24,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 21:00:25,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:25,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065953597] [2022-11-18 21:00:25,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065953597] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:25,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032940884] [2022-11-18 21:00:25,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:25,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:25,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:25,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:25,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 21:00:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:27,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 3808 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:00:27,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 21:00:27,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:00:27,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032940884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:27,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:00:27,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-11-18 21:00:27,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166029636] [2022-11-18 21:00:27,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:27,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:00:27,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:00:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:00:27,082 INFO L87 Difference]: Start difference. First operand 787 states and 1077 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-18 21:00:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:27,617 INFO L93 Difference]: Finished difference Result 1615 states and 2226 transitions. [2022-11-18 21:00:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:00:27,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 139 [2022-11-18 21:00:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:27,623 INFO L225 Difference]: With dead ends: 1615 [2022-11-18 21:00:27,624 INFO L226 Difference]: Without dead ends: 839 [2022-11-18 21:00:27,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:00:27,631 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 18 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:27,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1825 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 21:00:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2022-11-18 21:00:27,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 838. [2022-11-18 21:00:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 609 states have (on average 1.3464696223316912) internal successors, (820), 628 states have internal predecessors, (820), 169 states have call successors, (169), 47 states have call predecessors, (169), 47 states have return successors, (169), 168 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-18 21:00:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1158 transitions. [2022-11-18 21:00:27,677 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1158 transitions. Word has length 139 [2022-11-18 21:00:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:27,678 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1158 transitions. [2022-11-18 21:00:27,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-18 21:00:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1158 transitions. [2022-11-18 21:00:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-18 21:00:27,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:27,682 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:27,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:27,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 21:00:27,901 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:27,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash -811409385, now seen corresponding path program 1 times [2022-11-18 21:00:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:27,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531186595] [2022-11-18 21:00:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:00:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:00:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 21:00:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 21:00:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 21:00:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 21:00:28,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:28,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531186595] [2022-11-18 21:00:28,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531186595] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:28,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536837849] [2022-11-18 21:00:28,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:28,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:28,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:28,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 21:00:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:29,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 3676 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 21:00:29,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 21:00:29,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 21:00:29,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536837849] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:00:29,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:00:29,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2022-11-18 21:00:29,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443519096] [2022-11-18 21:00:29,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:00:29,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:00:29,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:29,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:29,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:29,762 INFO L87 Difference]: Start difference. First operand 838 states and 1158 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 5 states have internal predecessors, (142), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2022-11-18 21:00:33,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:33,086 INFO L93 Difference]: Finished difference Result 1751 states and 2441 transitions. [2022-11-18 21:00:33,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:00:33,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 5 states have internal predecessors, (142), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 149 [2022-11-18 21:00:33,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:33,092 INFO L225 Difference]: With dead ends: 1751 [2022-11-18 21:00:33,092 INFO L226 Difference]: Without dead ends: 924 [2022-11-18 21:00:33,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 336 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:00:33,095 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 1032 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:33,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1548 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-18 21:00:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-11-18 21:00:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 889. [2022-11-18 21:00:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 651 states have (on average 1.348694316436252) internal successors, (878), 669 states have internal predecessors, (878), 179 states have call successors, (179), 47 states have call predecessors, (179), 47 states have return successors, (179), 178 states have call predecessors, (179), 179 states have call successors, (179) [2022-11-18 21:00:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1236 transitions. [2022-11-18 21:00:33,138 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1236 transitions. Word has length 149 [2022-11-18 21:00:33,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:33,139 INFO L495 AbstractCegarLoop]: Abstraction has 889 states and 1236 transitions. [2022-11-18 21:00:33,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 5 states have internal predecessors, (142), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2022-11-18 21:00:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1236 transitions. [2022-11-18 21:00:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 21:00:33,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:33,142 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:33,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:33,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:33,354 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash -582122038, now seen corresponding path program 1 times [2022-11-18 21:00:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810192881] [2022-11-18 21:00:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:00:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-18 21:00:34,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:34,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810192881] [2022-11-18 21:00:34,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810192881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:34,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611401904] [2022-11-18 21:00:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:34,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:34,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:34,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:34,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 21:00:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:35,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 3899 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 21:00:35,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:35,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:00:35,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611401904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:35,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:00:35,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-11-18 21:00:35,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880314675] [2022-11-18 21:00:35,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:35,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:00:35,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:35,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:35,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-11-18 21:00:35,876 INFO L87 Difference]: Start difference. First operand 889 states and 1236 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:36,613 INFO L93 Difference]: Finished difference Result 2305 states and 3289 transitions. [2022-11-18 21:00:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:00:36,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 145 [2022-11-18 21:00:36,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:36,621 INFO L225 Difference]: With dead ends: 2305 [2022-11-18 21:00:36,621 INFO L226 Difference]: Without dead ends: 1427 [2022-11-18 21:00:36,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-11-18 21:00:36,625 INFO L413 NwaCegarLoop]: 1446 mSDtfsCounter, 424 mSDsluCounter, 5370 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 6816 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:36,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 6816 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 21:00:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2022-11-18 21:00:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 978. [2022-11-18 21:00:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 732 states have (on average 1.3674863387978142) internal successors, (1001), 750 states have internal predecessors, (1001), 186 states have call successors, (186), 47 states have call predecessors, (186), 48 states have return successors, (188), 186 states have call predecessors, (188), 186 states have call successors, (188) [2022-11-18 21:00:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1375 transitions. [2022-11-18 21:00:36,678 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1375 transitions. Word has length 145 [2022-11-18 21:00:36,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:36,678 INFO L495 AbstractCegarLoop]: Abstraction has 978 states and 1375 transitions. [2022-11-18 21:00:36,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1375 transitions. [2022-11-18 21:00:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 21:00:36,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:36,682 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:36,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:36,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:36,900 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:36,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:36,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1192885324, now seen corresponding path program 1 times [2022-11-18 21:00:36,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:36,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812124595] [2022-11-18 21:00:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 21:00:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:37,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:37,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812124595] [2022-11-18 21:00:37,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812124595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:37,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:37,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:00:37,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652768080] [2022-11-18 21:00:37,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:37,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:00:37,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:37,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:37,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:37,375 INFO L87 Difference]: Start difference. First operand 978 states and 1375 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-18 21:00:43,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:43,357 INFO L93 Difference]: Finished difference Result 2411 states and 3464 transitions. [2022-11-18 21:00:43,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:00:43,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2022-11-18 21:00:43,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:43,366 INFO L225 Difference]: With dead ends: 2411 [2022-11-18 21:00:43,366 INFO L226 Difference]: Without dead ends: 1444 [2022-11-18 21:00:43,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:00:43,370 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 1047 mSDsluCounter, 2978 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 2912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 578 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:43,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 4082 Invalid, 2912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [578 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-18 21:00:43,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2022-11-18 21:00:43,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 979. [2022-11-18 21:00:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 733 states have (on average 1.3669849931787177) internal successors, (1002), 751 states have internal predecessors, (1002), 186 states have call successors, (186), 47 states have call predecessors, (186), 48 states have return successors, (188), 186 states have call predecessors, (188), 186 states have call successors, (188) [2022-11-18 21:00:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1376 transitions. [2022-11-18 21:00:43,428 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1376 transitions. Word has length 145 [2022-11-18 21:00:43,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:43,428 INFO L495 AbstractCegarLoop]: Abstraction has 979 states and 1376 transitions. [2022-11-18 21:00:43,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-18 21:00:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1376 transitions. [2022-11-18 21:00:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-18 21:00:43,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:43,432 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:43,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:00:43,432 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:43,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:43,433 INFO L85 PathProgramCache]: Analyzing trace with hash -730627222, now seen corresponding path program 1 times [2022-11-18 21:00:43,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:43,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211183188] [2022-11-18 21:00:43,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:00:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:00:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 21:00:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:00:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 21:00:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 21:00:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-18 21:00:43,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:43,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211183188] [2022-11-18 21:00:43,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211183188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:43,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:43,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:00:43,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91582395] [2022-11-18 21:00:43,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:43,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:00:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:43,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:00:43,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:00:43,813 INFO L87 Difference]: Start difference. First operand 979 states and 1376 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 21:00:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:46,583 INFO L93 Difference]: Finished difference Result 1980 states and 2793 transitions. [2022-11-18 21:00:46,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:00:46,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 154 [2022-11-18 21:00:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:46,590 INFO L225 Difference]: With dead ends: 1980 [2022-11-18 21:00:46,590 INFO L226 Difference]: Without dead ends: 1012 [2022-11-18 21:00:46,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:00:46,594 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 537 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:46,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 1746 Invalid, 1564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-18 21:00:46,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2022-11-18 21:00:46,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 977. [2022-11-18 21:00:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 733 states have (on average 1.3628922237380627) internal successors, (999), 749 states have internal predecessors, (999), 186 states have call successors, (186), 47 states have call predecessors, (186), 48 states have return successors, (188), 186 states have call predecessors, (188), 186 states have call successors, (188) [2022-11-18 21:00:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1373 transitions. [2022-11-18 21:00:46,679 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1373 transitions. Word has length 154 [2022-11-18 21:00:46,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:46,680 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1373 transitions. [2022-11-18 21:00:46,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 21:00:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1373 transitions. [2022-11-18 21:00:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-18 21:00:46,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:46,683 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:46,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:00:46,684 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:46,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1276972944, now seen corresponding path program 1 times [2022-11-18 21:00:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:46,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537280116] [2022-11-18 21:00:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 21:00:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:47,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:47,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537280116] [2022-11-18 21:00:47,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537280116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:47,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:47,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:00:47,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685280658] [2022-11-18 21:00:47,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:47,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:00:47,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:47,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:47,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:47,159 INFO L87 Difference]: Start difference. First operand 977 states and 1373 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:50,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:50,949 INFO L93 Difference]: Finished difference Result 2185 states and 3116 transitions. [2022-11-18 21:00:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:00:50,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2022-11-18 21:00:50,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:50,956 INFO L225 Difference]: With dead ends: 2185 [2022-11-18 21:00:50,956 INFO L226 Difference]: Without dead ends: 1219 [2022-11-18 21:00:50,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:00:50,961 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 928 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 751 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:50,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 2118 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [751 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-18 21:00:50,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-11-18 21:00:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1016. [2022-11-18 21:00:51,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 772 states have (on average 1.3445595854922279) internal successors, (1038), 788 states have internal predecessors, (1038), 186 states have call successors, (186), 47 states have call predecessors, (186), 48 states have return successors, (188), 186 states have call predecessors, (188), 186 states have call successors, (188) [2022-11-18 21:00:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1412 transitions. [2022-11-18 21:00:51,017 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1412 transitions. Word has length 154 [2022-11-18 21:00:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:51,018 INFO L495 AbstractCegarLoop]: Abstraction has 1016 states and 1412 transitions. [2022-11-18 21:00:51,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1412 transitions. [2022-11-18 21:00:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-18 21:00:51,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:51,022 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:51,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:00:51,022 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:51,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:51,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1911320712, now seen corresponding path program 1 times [2022-11-18 21:00:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:51,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752621856] [2022-11-18 21:00:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:00:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:51,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752621856] [2022-11-18 21:00:51,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752621856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:51,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:51,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:00:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400331840] [2022-11-18 21:00:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:51,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:00:51,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:51,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:51,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:51,508 INFO L87 Difference]: Start difference. First operand 1016 states and 1412 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:56,291 INFO L93 Difference]: Finished difference Result 2311 states and 3246 transitions. [2022-11-18 21:00:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:00:56,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2022-11-18 21:00:56,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:56,300 INFO L225 Difference]: With dead ends: 2311 [2022-11-18 21:00:56,301 INFO L226 Difference]: Without dead ends: 1306 [2022-11-18 21:00:56,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:00:56,305 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 797 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 2536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 586 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:56,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 2370 Invalid, 2536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [586 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-18 21:00:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-11-18 21:00:56,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1081. [2022-11-18 21:00:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 837 states have (on average 1.3488649940262845) internal successors, (1129), 853 states have internal predecessors, (1129), 186 states have call successors, (186), 47 states have call predecessors, (186), 48 states have return successors, (188), 186 states have call predecessors, (188), 186 states have call successors, (188) [2022-11-18 21:00:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1503 transitions. [2022-11-18 21:00:56,368 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1503 transitions. Word has length 155 [2022-11-18 21:00:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:56,368 INFO L495 AbstractCegarLoop]: Abstraction has 1081 states and 1503 transitions. [2022-11-18 21:00:56,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1503 transitions. [2022-11-18 21:00:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-18 21:00:56,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:56,373 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:56,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:00:56,373 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:56,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:56,374 INFO L85 PathProgramCache]: Analyzing trace with hash 825425322, now seen corresponding path program 1 times [2022-11-18 21:00:56,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:56,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854884940] [2022-11-18 21:00:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:56,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:00:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:00:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:00:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:00:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:00:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:00:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:00:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:00:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:00:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:00:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:00:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:00:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:00:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:00:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:00:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 21:00:57,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:57,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854884940] [2022-11-18 21:00:57,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854884940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:57,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390941474] [2022-11-18 21:00:57,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:57,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:57,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:57,624 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:57,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 21:00:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:58,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 3931 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:00:58,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:58,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 21:00:58,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390941474] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:58,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 21:00:58,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11, 4] total 15 [2022-11-18 21:00:58,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376455821] [2022-11-18 21:00:58,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:58,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:00:58,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:58,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:00:58,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-18 21:00:58,866 INFO L87 Difference]: Start difference. First operand 1081 states and 1503 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:59,228 INFO L93 Difference]: Finished difference Result 2261 states and 3158 transitions. [2022-11-18 21:00:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:00:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2022-11-18 21:00:59,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:59,235 INFO L225 Difference]: With dead ends: 2261 [2022-11-18 21:00:59,235 INFO L226 Difference]: Without dead ends: 1191 [2022-11-18 21:00:59,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-18 21:00:59,239 INFO L413 NwaCegarLoop]: 930 mSDtfsCounter, 56 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 2739 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:59,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 2739 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 21:00:59,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-11-18 21:00:59,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1178. [2022-11-18 21:00:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 930 states have (on average 1.3612903225806452) internal successors, (1266), 946 states have internal predecessors, (1266), 190 states have call successors, (190), 47 states have call predecessors, (190), 48 states have return successors, (192), 190 states have call predecessors, (192), 190 states have call successors, (192) [2022-11-18 21:00:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1648 transitions. [2022-11-18 21:00:59,302 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1648 transitions. Word has length 156 [2022-11-18 21:00:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:59,303 INFO L495 AbstractCegarLoop]: Abstraction has 1178 states and 1648 transitions. [2022-11-18 21:00:59,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 21:00:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1648 transitions. [2022-11-18 21:00:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-18 21:00:59,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:59,307 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:00:59,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:59,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:59,522 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:00:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:59,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1885416509, now seen corresponding path program 1 times [2022-11-18 21:00:59,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:59,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125038047] [2022-11-18 21:00:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:01:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:01:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:01:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:01:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:01:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:01:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:01:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:01:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:01:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:01:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:01:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:01:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:01:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:01:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:01:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:01:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-18 21:01:00,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:00,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125038047] [2022-11-18 21:01:00,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125038047] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:01:00,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712159776] [2022-11-18 21:01:00,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:00,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:01:00,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:01:00,928 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:01:00,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 21:01:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:01,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 4022 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:01:01,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:01:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 21:01:02,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:01:02,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712159776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:02,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:01:02,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2022-11-18 21:01:02,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67096243] [2022-11-18 21:01:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:02,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:01:02,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:02,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:01:02,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:01:02,047 INFO L87 Difference]: Start difference. First operand 1178 states and 1648 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 21:01:02,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:02,349 INFO L93 Difference]: Finished difference Result 2301 states and 3218 transitions. [2022-11-18 21:01:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:01:02,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2022-11-18 21:01:02,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:02,355 INFO L225 Difference]: With dead ends: 2301 [2022-11-18 21:01:02,355 INFO L226 Difference]: Without dead ends: 1134 [2022-11-18 21:01:02,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:01:02,360 INFO L413 NwaCegarLoop]: 975 mSDtfsCounter, 61 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 2828 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:02,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 2828 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 21:01:02,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-11-18 21:01:02,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1097. [2022-11-18 21:01:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 851 states have (on average 1.3419506462984725) internal successors, (1142), 867 states have internal predecessors, (1142), 188 states have call successors, (188), 47 states have call predecessors, (188), 48 states have return successors, (190), 188 states have call predecessors, (190), 188 states have call successors, (190) [2022-11-18 21:01:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1520 transitions. [2022-11-18 21:01:02,419 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1520 transitions. Word has length 162 [2022-11-18 21:01:02,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:02,419 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 1520 transitions. [2022-11-18 21:01:02,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 21:01:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1520 transitions. [2022-11-18 21:01:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-18 21:01:02,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:02,423 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:02,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 21:01:02,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:01:02,636 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:01:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:02,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1398433537, now seen corresponding path program 1 times [2022-11-18 21:01:02,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:02,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588767811] [2022-11-18 21:01:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:01:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:01:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:01:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:01:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:01:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:01:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:01:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:01:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:01:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:01:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:01:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:01:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:01:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:01:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:01:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:01:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-18 21:01:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:03,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588767811] [2022-11-18 21:01:03,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588767811] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:01:03,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502370824] [2022-11-18 21:01:03,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:03,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:01:03,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:01:03,863 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:01:03,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 21:01:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:04,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 4021 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-18 21:01:04,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:01:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 21:01:05,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:01:05,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502370824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:05,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:01:05,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-11-18 21:01:05,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189895602] [2022-11-18 21:01:05,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:05,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:01:05,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:05,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:01:05,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2022-11-18 21:01:05,010 INFO L87 Difference]: Start difference. First operand 1097 states and 1520 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 21:01:05,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:05,165 INFO L93 Difference]: Finished difference Result 2184 states and 3030 transitions. [2022-11-18 21:01:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:01:05,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2022-11-18 21:01:05,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:05,171 INFO L225 Difference]: With dead ends: 2184 [2022-11-18 21:01:05,171 INFO L226 Difference]: Without dead ends: 1098 [2022-11-18 21:01:05,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-11-18 21:01:05,219 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 48 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:05,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 4738 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:01:05,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2022-11-18 21:01:05,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1097. [2022-11-18 21:01:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 851 states have (on average 1.3313748531139835) internal successors, (1133), 867 states have internal predecessors, (1133), 188 states have call successors, (188), 47 states have call predecessors, (188), 48 states have return successors, (190), 188 states have call predecessors, (190), 188 states have call successors, (190) [2022-11-18 21:01:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1511 transitions. [2022-11-18 21:01:05,286 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1511 transitions. Word has length 162 [2022-11-18 21:01:05,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:05,288 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 1511 transitions. [2022-11-18 21:01:05,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 21:01:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1511 transitions. [2022-11-18 21:01:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-18 21:01:05,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:05,292 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:05,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 21:01:05,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 21:01:05,507 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:01:05,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:05,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1421065791, now seen corresponding path program 1 times [2022-11-18 21:01:05,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:05,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676850286] [2022-11-18 21:01:05,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:05,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:01:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:01:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:01:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:01:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:01:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:01:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:01:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:01:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:01:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:01:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:01:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:01:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:01:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:01:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:01:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:01:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-18 21:01:06,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:06,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676850286] [2022-11-18 21:01:06,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676850286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:01:06,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815035066] [2022-11-18 21:01:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:06,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:01:06,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:01:06,607 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:01:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 21:01:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:07,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 4022 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-18 21:01:07,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:01:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-18 21:01:07,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:01:07,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815035066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:07,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:01:07,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-11-18 21:01:07,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713716443] [2022-11-18 21:01:07,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:07,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:01:07,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:07,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:01:07,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2022-11-18 21:01:07,779 INFO L87 Difference]: Start difference. First operand 1097 states and 1511 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 21:01:07,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:07,910 INFO L93 Difference]: Finished difference Result 2225 states and 3073 transitions. [2022-11-18 21:01:07,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:01:07,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2022-11-18 21:01:07,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:07,917 INFO L225 Difference]: With dead ends: 2225 [2022-11-18 21:01:07,917 INFO L226 Difference]: Without dead ends: 1139 [2022-11-18 21:01:07,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-11-18 21:01:07,921 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 20 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4536 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:07,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4536 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:01:07,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2022-11-18 21:01:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1097. [2022-11-18 21:01:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 851 states have (on average 1.3290246768507639) internal successors, (1131), 867 states have internal predecessors, (1131), 188 states have call successors, (188), 47 states have call predecessors, (188), 48 states have return successors, (190), 188 states have call predecessors, (190), 188 states have call successors, (190) [2022-11-18 21:01:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1509 transitions. [2022-11-18 21:01:07,979 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1509 transitions. Word has length 162 [2022-11-18 21:01:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:07,979 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 1509 transitions. [2022-11-18 21:01:07,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 21:01:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1509 transitions. [2022-11-18 21:01:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-18 21:01:07,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:07,983 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:08,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 21:01:08,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 21:01:08,195 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:01:08,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:08,196 INFO L85 PathProgramCache]: Analyzing trace with hash -267877951, now seen corresponding path program 1 times [2022-11-18 21:01:08,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:08,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462433549] [2022-11-18 21:01:08,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:08,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:01:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:01:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 21:01:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 21:01:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:01:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:01:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 21:01:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:01:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 21:01:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 21:01:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:01:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 21:01:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:01:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 21:01:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 21:01:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 21:01:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-18 21:01:09,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:09,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462433549] [2022-11-18 21:01:09,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462433549] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:01:09,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564264833] [2022-11-18 21:01:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:09,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:01:09,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:01:09,250 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:01:09,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 21:01:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:10,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 4023 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 21:01:10,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:01:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 21:01:10,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:01:10,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564264833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:10,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:01:10,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 11 [2022-11-18 21:01:10,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365514346] [2022-11-18 21:01:10,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:10,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:01:10,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:01:10,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:01:10,613 INFO L87 Difference]: Start difference. First operand 1097 states and 1509 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 21:01:10,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:10,754 INFO L93 Difference]: Finished difference Result 2588 states and 3631 transitions. [2022-11-18 21:01:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:01:10,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2022-11-18 21:01:10,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:10,763 INFO L225 Difference]: With dead ends: 2588 [2022-11-18 21:01:10,763 INFO L226 Difference]: Without dead ends: 1502 [2022-11-18 21:01:10,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:01:10,768 INFO L413 NwaCegarLoop]: 1248 mSDtfsCounter, 299 mSDsluCounter, 5936 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 7184 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:10,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 7184 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:01:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-11-18 21:01:10,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1104. [2022-11-18 21:01:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 856 states have (on average 1.3271028037383177) internal successors, (1136), 872 states have internal predecessors, (1136), 188 states have call successors, (188), 47 states have call predecessors, (188), 50 states have return successors, (199), 190 states have call predecessors, (199), 188 states have call successors, (199) [2022-11-18 21:01:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1523 transitions. [2022-11-18 21:01:10,836 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1523 transitions. Word has length 162 [2022-11-18 21:01:10,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:10,836 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1523 transitions. [2022-11-18 21:01:10,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 21:01:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1523 transitions. [2022-11-18 21:01:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-18 21:01:10,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:10,841 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:10,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-18 21:01:11,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 21:01:11,057 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 21:01:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:11,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1408032168, now seen corresponding path program 1 times [2022-11-18 21:01:11,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:11,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765810209] [2022-11-18 21:01:11,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:01:13,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:01:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:01:15,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:01:15,921 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:01:15,923 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-18 21:01:15,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-18 21:01:15,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location usb_fill_int_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-18 21:01:15,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location usb_fill_int_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-18 21:01:15,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location usb_fill_int_urbErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-18 21:01:15,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location usb_fill_int_urbErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-18 21:01:15,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location imon_find_endpointsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-18 21:01:15,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location imon_find_endpointsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-18 21:01:15,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-18 21:01:15,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-18 21:01:15,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-18 21:01:15,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-18 21:01:15,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-18 21:01:15,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-18 21:01:15,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-18 21:01:15,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-18 21:01:15,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 21:01:15,935 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:15,941 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:01:16,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:01:16 BoogieIcfgContainer [2022-11-18 21:01:16,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:01:16,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:01:16,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:01:16,321 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:01:16,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:57" (3/4) ... [2022-11-18 21:01:16,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:01:16,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:01:16,326 INFO L158 Benchmark]: Toolchain (without parser) took 86969.96ms. Allocated memory was 127.9MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 85.1MB in the beginning and 472.4MB in the end (delta: -387.3MB). Peak memory consumption was 632.5MB. Max. memory is 16.1GB. [2022-11-18 21:01:16,327 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:01:16,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2649.58ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 84.8MB in the beginning and 105.5MB in the end (delta: -20.7MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2022-11-18 21:01:16,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 238.39ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 88.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 21:01:16,328 INFO L158 Benchmark]: Boogie Preprocessor took 309.38ms. Allocated memory was 165.7MB in the beginning and 266.3MB in the end (delta: 100.7MB). Free memory was 88.7MB in the beginning and 200.9MB in the end (delta: -112.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-18 21:01:16,329 INFO L158 Benchmark]: RCFGBuilder took 5347.42ms. Allocated memory was 266.3MB in the beginning and 440.4MB in the end (delta: 174.1MB). Free memory was 200.9MB in the beginning and 173.8MB in the end (delta: 27.1MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. [2022-11-18 21:01:16,334 INFO L158 Benchmark]: TraceAbstraction took 78413.08ms. Allocated memory was 440.4MB in the beginning and 1.1GB in the end (delta: 708.8MB). Free memory was 172.8MB in the beginning and 472.4MB in the end (delta: -299.6MB). Peak memory consumption was 409.3MB. Max. memory is 16.1GB. [2022-11-18 21:01:16,334 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 1.1GB. Free memory is still 472.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:01:16,339 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 81.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2649.58ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 84.8MB in the beginning and 105.5MB in the end (delta: -20.7MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 238.39ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 88.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 309.38ms. Allocated memory was 165.7MB in the beginning and 266.3MB in the end (delta: 100.7MB). Free memory was 88.7MB in the beginning and 200.9MB in the end (delta: -112.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5347.42ms. Allocated memory was 266.3MB in the beginning and 440.4MB in the end (delta: 174.1MB). Free memory was 200.9MB in the beginning and 173.8MB in the end (delta: 27.1MB). Peak memory consumption was 204.3MB. Max. memory is 16.1GB. * TraceAbstraction took 78413.08ms. Allocated memory was 440.4MB in the beginning and 1.1GB in the end (delta: 708.8MB). Free memory was 172.8MB in the beginning and 472.4MB in the end (delta: -299.6MB). Peak memory consumption was 409.3MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 1.1GB. Free memory is still 472.4MB. 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: 3658]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 4302. Possible FailurePath: [L6244] int LDV_IN_INTERRUPT ; [L4302-L4304] static struct device_attribute dev_attr_associate_remote = {{"associate_remote", 420U, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_associate_remote, & store_associate_remote}; [L3805] static bool nomouse ; [L6803] static int ldv_mutex_lock_of_imon_context ; [L3803] static int display_type ; [L3804] static int pad_stabilize = 1; [L3797-L3800] static struct mutex driver_lock = {{1}, {{{{0U}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "driver_lock.wait_lock", 0, 0UL}}}}, {& driver_lock.wait_list, & driver_lock.wait_list}, 0, 0, (void *)(& driver_lock), {0, {0, 0}, "driver_lock", 0, 0UL}}; [L3773-L3796] static struct __anonstruct_imon_panel_key_table_169 const imon_panel_key_table[23U] = { {251723758ULL, 148U}, {520159214ULL, 392U}, {536936430ULL, 393U}, {553713646ULL, 212U}, {654376942ULL, 389U}, {587268078ULL, 377U}, {83951598ULL, 412U}, {117506030ULL, 168U}, {67174382ULL, 128U}, {1006698478ULL, 164U}, {134283246ULL, 208U}, {100728814ULL, 407U}, {4295032814ULL, 106U}, {1099511693294ULL, 105U}, {1023475694ULL, 353U}, {281474976776174ULL, 115U}, {72057594037993454ULL, 114U}, {16842734ULL, 113U}, {281479271677934ULL, 115U}, {72057598332895214ULL, 114U}, {282574488338414ULL, 115U}, {72058693549555694ULL, 114U}, {9895604649966ULL, 113U}}; [L3691-L3693] static struct file_operations const vfd_fops = {& __this_module, & noop_llseek, 0, & vfd_write, 0, 0, 0, 0, 0, 0, 0, & display_open, 0, & display_close, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3802] static bool debug ; [L3757-L3770] static struct usb_driver imon_driver = {"imon", & imon_probe, & imon_disconnect, 0, & imon_suspend, & imon_resume, 0, 0, 0, (struct usb_device_id const *)(& imon_usb_id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3694-L3696] static struct file_operations const lcd_fops = {& __this_module, & noop_llseek, 0, & lcd_write, 0, 0, 0, 0, 0, 0, 0, & display_open, 0, & display_close, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3801] struct usb_device_id const __mod_usb_device_table ; [L4299-L4301] static struct device_attribute dev_attr_imon_clock = {{"imon_clock", 420U, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_imon_clock, & store_imon_clock}; [L4305] static struct attribute *imon_display_sysfs_entries[2U] = { & dev_attr_imon_clock.attr, 0}; [L4306] static struct attribute_group imon_display_attr_group = {0, 0, (struct attribute **)(& imon_display_sysfs_entries)}; [L3771] static struct usb_class_driver imon_vfd_class = {(char *)"lcd%d", 0, & vfd_fops, 144}; [L4307] static struct attribute *imon_rf_sysfs_entries[2U] = { & dev_attr_associate_remote.attr, 0}; [L3772] static struct usb_class_driver imon_lcd_class = {(char *)"lcd%d", 0, & lcd_fops, 144}; [L6910] static int ldv_mutex_mutex_of_device ; [L3697-L3756] static struct usb_device_id imon_usb_id_table[21U] = { {3U, 5570U, 65500U, (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, 5570U, 52U, (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, 5570U, 53U, (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, 5570U, 54U, (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, 5570U, 55U, (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, 5570U, 56U, (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, 5570U, 57U, (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, 5570U, 58U, (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, 5570U, 59U, (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, 5570U, 60U, (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, 5570U, 61U, (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, 5570U, 62U, (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, 5570U, 63U, (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, 5570U, 64U, (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, 5570U, 65U, (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, 5570U, 66U, (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, 5570U, 67U, (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, 5570U, 68U, (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, 5570U, 69U, (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, 5570U, 70U, (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}}; [L3806] static int pad_thresh ; [L6696] static int ldv_mutex_driver_lock ; [L4308] static struct attribute_group imon_rf_attr_group = {0, 0, (struct attribute **)(& imon_rf_sysfs_entries)}; 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=0, ldv_mutex_driver_lock=0, ldv_mutex_lock_of_imon_context=0, ldv_mutex_mutex_of_device=0, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6247] struct usb_interface *var_group1 ; [L6248] struct usb_device_id const *var_imon_probe_36_p1 ; [L6249] int res_imon_probe_36 ; [L6250] pm_message_t var_imon_suspend_38_p1 ; [L6251] unsigned long var_imon_touch_display_timeout_13_p0 ; [L6252] int ldv_s_imon_driver_usb_driver ; [L6253] int tmp ; [L6254] int tmp___0 ; [L6255] int tmp___1 ; [L6257] ldv_s_imon_driver_usb_driver = 0 [L6258] LDV_IN_INTERRUPT = 1 [L6259] CALL ldv_initialize() [L7020] ldv_mutex_driver_lock = 1 [L7021] ldv_mutex_lock_of_imon_context = 1 [L7022] ldv_mutex_mutex_of_device = 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6259] RET ldv_initialize() [L6260] FCALL ldv_handler_precall() 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, ldv_s_imon_driver_usb_driver=0, nomouse=0, pad_stabilize=1, pad_thresh=0, var_imon_suspend_38_p1={283:0}, vfd_fops={271:0}] [L6261] CALL, EXPR imon_init() [L6220] int rc ; [L6222] CALL, EXPR usb_register(& imon_driver) [L3605] int tmp ; [L3607] CALL, EXPR usb_register_driver(driver, & __this_module, "imon") [L7220] return __VERIFIER_nondet_int(); [L3607] RET, EXPR usb_register_driver(driver, & __this_module, "imon") [L3607] tmp = usb_register_driver(driver, & __this_module, "imon") [L3608] return (tmp); VAL [\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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver={272:0}, driver={272:0}, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, tmp=0, vfd_fops={271:0}] [L6222] RET, EXPR usb_register(& imon_driver) [L6222] rc = usb_register(& imon_driver) [L6223] COND FALSE !(rc != 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, rc=0, vfd_fops={271:0}] [L6228] return (rc); VAL [\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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, rc=0, vfd_fops={271:0}] [L6261] RET, EXPR imon_init() [L6261] tmp = imon_init() [L6262] COND FALSE !(tmp != 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, ldv_s_imon_driver_usb_driver=0, nomouse=0, pad_stabilize=1, pad_thresh=0, tmp=0, var_imon_suspend_38_p1={283:0}, vfd_fops={271:0}] [L6316] tmp___1 = __VERIFIER_nondet_int() [L6317] COND TRUE tmp___1 != 0 || ldv_s_imon_driver_usb_driver != 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, ldv_s_imon_driver_usb_driver=0, nomouse=0, pad_stabilize=1, pad_thresh=0, tmp=0, tmp___1=-2, var_imon_suspend_38_p1={283:0}, vfd_fops={271:0}] [L6268] tmp___0 = __VERIFIER_nondet_int() [L6270] case 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, ldv_s_imon_driver_usb_driver=0, nomouse=0, pad_stabilize=1, pad_thresh=0, tmp=0, tmp___0=0, tmp___1=-2, var_imon_suspend_38_p1={283:0}, vfd_fops={271:0}] [L6271] COND TRUE ldv_s_imon_driver_usb_driver == 0 [L6272] CALL imon_probe(var_group1, var_imon_probe_36_p1) [L6005] struct usb_device *usbdev ; [L6006] struct usb_host_interface *iface_desc ; [L6007] struct usb_interface *first_if ; [L6008] struct device *dev ; [L6009] int ifnum ; [L6010] int code_length ; [L6011] int sysfs_err ; [L6012] int ret ; [L6013] struct imon_context *ictx ; [L6014] struct imon_context *first_if_ctx ; [L6015] u16 vendor ; [L6016] u16 product ; [L6017] struct usb_device *tmp ; [L6018] struct _ddebug descriptor ; [L6019] long tmp___0 ; [L6020] void *tmp___1 ; [L6022] usbdev = 0 [L6023] iface_desc = 0 [L6024] dev = & interface->dev [L6025] ret = 0 [L6026] ictx = 0 [L6027] first_if_ctx = 0 [L6028] code_length = 64 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=0, usbdev={0:0}, vfd_fops={271:0}] [L6029] CALL, EXPR interface_to_usbdev(interface) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3585] struct device const *__mptr ; [L3587] EXPR intf->dev.parent [L3587] __mptr = (struct device const *)intf->dev.parent [L3588] return ((struct usb_device *)__mptr + 0xffffffffffffff78UL); VAL [\result={72058693549555716:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mptr={72058693549555716:245888}, __this_module={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6029] RET, EXPR interface_to_usbdev(interface) 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, interface_to_usbdev(interface)={72058693549555716:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=0, usbdev={0:0}, vfd_fops={271:0}] [L6029] tmp = interface_to_usbdev(interface) [L6030] CALL, EXPR usb_get_dev(tmp) 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={72058693549555729:72058693549555717}, arg0={72058693549555716:0}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7206] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [\old(size)=1808, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3443] COND FALSE !(__VERIFIER_nondet_int()) [L3448] return ((void *)0); VAL [\old(size)=1808, \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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, size=1808, vfd_fops={271:0}] [L7206] RET, EXPR ldv_malloc(sizeof(struct usb_device)) 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={72058693549555729:72058693549555717}, arg0={72058693549555716:0}, arg0={72058693549555716:0}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={0:0}, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7206] return ldv_malloc(sizeof(struct usb_device)); [L6030] RET, EXPR usb_get_dev(tmp) 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=0, tmp={72058693549555716:0}, usb_get_dev(tmp)={0:0}, usbdev={0:0}, vfd_fops={271:0}] [L6030] usbdev = usb_get_dev(tmp) [L6031] EXPR interface->cur_altsetting [L6031] iface_desc = interface->cur_altsetting [L6032] EXPR iface_desc->desc.bInterfaceNumber [L6032] ifnum = (int )iface_desc->desc.bInterfaceNumber [L6033] EXPR usbdev->descriptor.idVendor [L6033] vendor = usbdev->descriptor.idVendor [L6034] EXPR usbdev->descriptor.idProduct [L6034] product = usbdev->descriptor.idProduct [L6035] descriptor.modname = "imon" [L6036] descriptor.function = "imon_probe" [L6037] descriptor.filename = "/work/vladimir/commit-test/commit-test-work/task-003--linux-stable--dir/work/current--X--drivers/media/rc/imon.ko--X--defaultlinux-stable-a9e7fb5--X--32_7a--X--cpachecker/linux-stable-a9e7fb5/csd_deg_dscv/11/dscv_tempdir/dscv/ri/32_7a/drivers/media/rc/imon.c.prepared" [L6038] descriptor.format = "%s: found iMON device (%04x:%04x, intf%d)\n" [L6039] descriptor.lineno = 2315U [L6040] descriptor.flags = 0U [L6041] descriptor.enabled = (char)0 [L6042] EXPR descriptor.enabled 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, descriptor.enabled=0, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={72058693549555730:-5}, ifnum=1, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, product=65528, ret=0, tmp={72058693549555716:0}, usbdev={0:0}, vendor=65520, vfd_fops={271:0}] [L6042] CALL, EXPR ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6693] return (exp); VAL [\old(c)=0, \old(exp)=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={72058693549555729:72058693549555717}, c=0, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, exp=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6042] RET, EXPR ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L) 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, descriptor.enabled=0, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={72058693549555730:-5}, ifnum=1, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, product=65528, ret=0, tmp={72058693549555716:0}, usbdev={0:0}, vendor=65520, vfd_fops={271:0}] [L6042] tmp___0 = ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L) [L6043] COND FALSE !(tmp___0 != 0L) 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={72058693549555730:-5}, ifnum=1, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, product=65528, ret=0, tmp={72058693549555716:0}, tmp___0=0, usbdev={0:0}, vendor=65520, vfd_fops={271:0}] [L6048] CALL ldv_mutex_lock_34(& driver_lock) [L6606] CALL ldv_mutex_lock_driver_lock(ldv_func_arg1) VAL [\old(ldv_mutex_driver_lock)=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, lock={269:0}, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6734] COND TRUE ldv_mutex_driver_lock == 1 VAL [\old(ldv_mutex_driver_lock)=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=1, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, lock={269:0}, lock={269:0}, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6738] ldv_mutex_driver_lock = 2 VAL [\old(ldv_mutex_driver_lock)=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, lock={269:0}, lock={269:0}, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6606] RET ldv_mutex_lock_driver_lock(ldv_func_arg1) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, ldv_func_arg1={269:0}, ldv_func_arg1={269:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6607] FCALL mutex_lock(ldv_func_arg1) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, ldv_func_arg1={269:0}, ldv_func_arg1={269:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6048] RET ldv_mutex_lock_34(& driver_lock) [L6049] CALL, EXPR usb_ifnum_to_if((struct usb_device const *)usbdev, 0U) [L7209] CALL, EXPR ldv_malloc(sizeof(struct usb_interface)) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3443] COND FALSE !(__VERIFIER_nondet_int()) [L3448] return ((void *)0); VAL [\old(size)=1151, \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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, size=1151, vfd_fops={271:0}] [L7209] RET, EXPR ldv_malloc(sizeof(struct usb_interface)) VAL [\old(arg1)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, arg0={0:0}, arg0={0:0}, arg1=0, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_interface))={0:0}, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7209] return ldv_malloc(sizeof(struct usb_interface)); [L6049] RET, EXPR usb_ifnum_to_if((struct usb_device const *)usbdev, 0U) [L6049] first_if = usb_ifnum_to_if((struct usb_device const *)usbdev, 0U) [L6050] CALL, EXPR usb_get_intfdata(first_if) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3570] void *tmp ; 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:0}, intf={0:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3572] CALL, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) 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={72058693549555729:72058693549555717}, arg0={0:44}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7083] CALL, EXPR ldv_malloc(0UL) VAL [\old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3443] COND FALSE !(__VERIFIER_nondet_int()) [L3448] return ((void *)0); VAL [\old(size)=0, \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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, size=0, vfd_fops={271:0}] [L7083] RET, EXPR ldv_malloc(0UL) 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={72058693549555729:72058693549555717}, arg0={0:44}, arg0={0:44}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={0:0}, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7083] return ldv_malloc(0UL); [L3572] RET, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, dev_get_drvdata((struct device const *)(& intf->dev))={0:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:0}, intf={0:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3572] tmp = dev_get_drvdata((struct device const *)(& intf->dev)) [L3573] return (tmp); 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:0}, intf={0:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, tmp={0:0}, vfd_fops={271:0}] [L6050] RET, EXPR usb_get_intfdata(first_if) 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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if={0:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={72058693549555730:-5}, ifnum=1, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, product=65528, ret=0, tmp={72058693549555716:0}, tmp___0=0, usb_get_intfdata(first_if)={0:0}, usbdev={0:0}, vendor=65520, vfd_fops={271:0}] [L6050] tmp___1 = usb_get_intfdata(first_if) [L6051] first_if_ctx = (struct imon_context *)tmp___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={72058693549555729:72058693549555717}, code_length=64, debug=0, descriptor={284:0}, dev={0:52}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, first_if={0:0}, first_if_ctx={0:0}, ictx={0:0}, id={72058693549555706:72058693549555733}, id={72058693549555706:72058693549555733}, iface_desc={72058693549555730:-5}, ifnum=1, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface={0:8}, interface={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, product=65528, ret=0, tmp={72058693549555716:0}, tmp___0=0, tmp___1={0:0}, usbdev={0:0}, vendor=65520, vfd_fops={271:0}] [L6052] COND FALSE !(ifnum == 0) [L6061] CALL imon_init_intf1(interface, first_if_ctx) [L5891] struct urb *rx_urb ; [L5892] struct usb_host_interface *iface_desc ; [L5893] int ret ; [L5894] struct lock_class_key __key ; [L5895] struct usb_device *tmp ; [L5896] bool tmp___0 ; [L5897] int tmp___1 ; [L5898] unsigned int tmp___2 ; [L5900] ret = -12 VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-12, vfd_fops={271:0}] [L5901] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7191] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=180, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3443] COND TRUE __VERIFIER_nondet_int() [L3444] void *res = malloc(size); [L3445] CALL, EXPR ldv_is_err(res) [L3439] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [\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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ptr={-18446744073709555711:0}, ptr={-18446744073709555711:0}, vfd_fops={271:0}] [L3445] RET, EXPR ldv_is_err(res) [L3445] CALL assume_abort_if_not(!ldv_is_err(res)) [L3434] COND FALSE !(!cond) VAL [\old(cond)=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={72058693549555729:72058693549555717}, cond=1, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3445] RET assume_abort_if_not(!ldv_is_err(res)) [L3446] return res; VAL [\old(size)=180, \result={-18446744073709555711:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, res={-18446744073709555711:0}, size=180, vfd_fops={271:0}] [L7191] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, arg0=0, arg1=208, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-18446744073709555711:0}, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7191] return ldv_malloc(sizeof(struct urb)); [L5901] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-12, usb_alloc_urb(0, 208U)={-18446744073709555711:0}, vfd_fops={271:0}] [L5901] rx_urb = usb_alloc_urb(0, 208U) [L5902] COND FALSE !((unsigned long )rx_urb == (unsigned long )((struct urb *)0)) [L5907] CALL ldv_mutex_lock_31(& ictx->lock) [L6582] CALL ldv_mutex_lock_lock_of_imon_context(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_imon_context)=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, lock={0:30}, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6841] COND TRUE ldv_mutex_lock_of_imon_context == 1 VAL [\old(ldv_mutex_lock_of_imon_context)=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=1, ldv_mutex_mutex_of_device=1, lock={0:30}, lock={0:30}, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6845] ldv_mutex_lock_of_imon_context = 2 VAL [\old(ldv_mutex_lock_of_imon_context)=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, lock={0:30}, lock={0:30}, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6582] RET ldv_mutex_lock_lock_of_imon_context(ldv_func_arg1) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, ldv_func_arg1={0:30}, ldv_func_arg1={0:30}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6583] FCALL mutex_lock(ldv_func_arg1) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, ldv_func_arg1={0:30}, ldv_func_arg1={0:30}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L5907] RET ldv_mutex_lock_31(& ictx->lock) [L5908] EXPR ictx->display_type VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, ictx->display_type=2, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-12, rx_urb={-18446744073709555711:0}, vfd_fops={271:0}] [L5908] COND FALSE !((unsigned int )ictx->display_type == 3U) [L5914] CALL, EXPR interface_to_usbdev(intf) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3585] struct device const *__mptr ; [L3587] EXPR intf->dev.parent [L3587] __mptr = (struct device const *)intf->dev.parent [L3588] return ((struct usb_device *)__mptr + 0xffffffffffffff78UL); VAL [\result={72058693549555716:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mptr={72058693549555716:245888}, __this_module={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L5914] RET, EXPR interface_to_usbdev(intf) VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, interface_to_usbdev(intf)={72058693549555716:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-12, rx_urb={-18446744073709555711:0}, vfd_fops={271:0}] [L5914] tmp = interface_to_usbdev(intf) [L5915] CALL, EXPR usb_get_dev(tmp) 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={72058693549555729:72058693549555717}, arg0={72058693549555716:0}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7206] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [\old(size)=1808, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3443] COND FALSE !(__VERIFIER_nondet_int()) [L3448] return ((void *)0); VAL [\old(size)=1808, \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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, size=1808, vfd_fops={271:0}] [L7206] RET, EXPR ldv_malloc(sizeof(struct usb_device)) 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={72058693549555729:72058693549555717}, arg0={72058693549555716:0}, arg0={72058693549555716:0}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={0:0}, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L7206] return ldv_malloc(sizeof(struct usb_device)); [L5915] RET, EXPR usb_get_dev(tmp) VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-12, rx_urb={-18446744073709555711:0}, tmp={72058693549555716:0}, usb_get_dev(tmp)={0:0}, vfd_fops={271:0}] [L5915] ictx->usbdev_intf1 = usb_get_dev(tmp) [L5916] ictx->dev_present_intf1 = 1 [L5917] ictx->rx_urb_intf1 = rx_urb [L5918] ret = -19 [L5919] EXPR intf->cur_altsetting [L5919] iface_desc = intf->cur_altsetting [L5920] CALL, EXPR imon_find_endpoints(ictx, iface_desc) 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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L5633] struct usb_endpoint_descriptor *ep ; [L5634] struct usb_endpoint_descriptor *rx_endpoint ; [L5635] struct usb_endpoint_descriptor *tx_endpoint ; [L5636] int ifnum ; [L5637] int num_endpts ; [L5638] int i ; [L5639] int ep_dir ; [L5640] int ep_type ; [L5641] bool ir_ep_found ; [L5642] bool display_ep_found ; [L5643] bool tx_control ; [L5644] struct _ddebug descriptor ; [L5645] long tmp ; [L5646] struct _ddebug descriptor___0 ; [L5647] long tmp___0 ; [L5648] struct _ddebug descriptor___1 ; [L5649] long tmp___1 ; [L5650] struct _ddebug descriptor___2 ; [L5651] long tmp___2 ; [L5652] struct _ddebug descriptor___3 ; [L5653] long tmp___3 ; [L5655] rx_endpoint = 0 [L5656] tx_endpoint = 0 [L5657] EXPR iface_desc->desc.bInterfaceNumber [L5657] ifnum = (int )iface_desc->desc.bInterfaceNumber [L5658] EXPR iface_desc->desc.bNumEndpoints [L5658] num_endpts = (int )iface_desc->desc.bNumEndpoints [L5659] ir_ep_found = 0 [L5660] display_ep_found = 0 [L5661] tx_control = 0 [L5662] 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=0, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={0:0}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5706] COND TRUE i < num_endpts && (! ir_ep_found || ! display_ep_found) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=0, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={0:0}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5665] EXPR iface_desc->endpoint [L5665] ep = & (iface_desc->endpoint + (unsigned long )i)->desc [L5666] EXPR ep->bEndpointAddress 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep->bEndpointAddress=-128, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=0, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={0:0}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5666] ep_dir = (int )ep->bEndpointAddress & 128 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep->bEndpointAddress=-128, ep_dir=128, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=0, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={0:0}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5667] EXPR ep->bmAttributes 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep->bmAttributes=-253, ep_dir=128, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=0, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={0:0}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5667] ep_type = (int )ep->bmAttributes & 3 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep->bmAttributes=-253, ep_dir=128, ep_type=3, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=0, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={0:0}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5668] COND TRUE (! ir_ep_found && ep_dir == 128) && ep_type == 3 [L5669] rx_endpoint = ep [L5670] ir_ep_found = 1 [L5671] descriptor.modname = "imon" [L5672] descriptor.function = "imon_find_endpoints" [L5673] descriptor.filename = "/work/vladimir/commit-test/commit-test-work/task-003--linux-stable--dir/work/current--X--drivers/media/rc/imon.ko--X--defaultlinux-stable-a9e7fb5--X--32_7a--X--cpachecker/linux-stable-a9e7fb5/csd_deg_dscv/11/dscv_tempdir/dscv/ri/32_7a/drivers/media/rc/imon.c.prepared" [L5674] descriptor.format = "%s: found IR endpoint\n" [L5675] descriptor.lineno = 2042U [L5676] descriptor.flags = 0U [L5677] descriptor.enabled = (char)0 [L5678] EXPR descriptor.enabled 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor.enabled=0, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5678] CALL, EXPR ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6693] return (exp); VAL [\old(c)=0, \old(exp)=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={72058693549555729:72058693549555717}, c=0, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, exp=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L5678] RET, EXPR ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor.enabled=0, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5678] tmp = ldv__builtin_expect((int )((signed char )descriptor.enabled) != 0, 0L) [L5679] COND FALSE !(tmp != 0L) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=0, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5704] EXPR i + 1 [L5704] i = i + 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5706] COND FALSE !(i < num_endpts && (! ir_ep_found || ! display_ep_found)) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5710] COND TRUE ifnum == 0 [L5711] ictx->rx_endpoint_intf0 = rx_endpoint [L5712] ictx->tx_endpoint = tx_endpoint 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=0, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tx_control=0, tx_endpoint={0:0}, vfd_fops={271:0}] [L5716] COND TRUE ! display_ep_found [L5717] tx_control = 1 [L5718] display_ep_found = 1 [L5719] descriptor___1.modname = "imon" [L5720] descriptor___1.function = "imon_find_endpoints" [L5721] descriptor___1.filename = "/work/vladimir/commit-test/commit-test-work/task-003--linux-stable--dir/work/current--X--drivers/media/rc/imon.ko--X--defaultlinux-stable-a9e7fb5--X--32_7a--X--cpachecker/linux-stable-a9e7fb5/csd_deg_dscv/11/dscv_tempdir/dscv/ri/32_7a/drivers/media/rc/imon.c.prepared" [L5722] descriptor___1.format = "%s: device uses control endpoint, not interface OUT endpoint\n" [L5723] descriptor___1.lineno = 2071U [L5724] descriptor___1.flags = 0U [L5725] descriptor___1.enabled = (char)0 [L5726] EXPR descriptor___1.enabled 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___1.enabled=0, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5726-L5727] CALL, EXPR ldv__builtin_expect((int )((signed char )descriptor___1.enabled) != 0, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L6693] return (exp); VAL [\old(c)=0, \old(exp)=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={72058693549555729:72058693549555717}, c=0, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, exp=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L5726-L5727] RET, EXPR ldv__builtin_expect((int )((signed char )descriptor___1.enabled) != 0, 0L) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___1.enabled=0, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, ldv__builtin_expect((int )((signed char )descriptor___1.enabled) != 0, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5726-L5727] tmp___1 = ldv__builtin_expect((int )((signed char )descriptor___1.enabled) != 0, 0L) [L5728] COND FALSE !(tmp___1 != 0L) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5735] EXPR ictx->display_type 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, ictx->display_type=2, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5735] COND FALSE !((unsigned int )ictx->display_type == 4U) [L5753] EXPR ictx->display_type 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, ictx->display_type=2, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5753] COND FALSE !((unsigned int )ictx->display_type == 3U) [L5771] COND FALSE !(! ir_ep_found) 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5775] ictx->tx_control = tx_control 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5776] COND TRUE (int )display_ep_found [L5777] ictx->display_supported = 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={72058693549555729:72058693549555717}, debug=0, descriptor={286:0}, descriptor___0={289:0}, descriptor___1={287:0}, descriptor___2={282:0}, descriptor___3={291:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5780] return (ir_ep_found); [L5780] return (ir_ep_found); [L5780] return (ir_ep_found); [L5780] return (ir_ep_found); [L5780] return (ir_ep_found); [L5780] return (ir_ep_found); VAL [\result=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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_ep_found=1, display_type=0, driver_lock={269:0}, ep={72058693549555701:306}, ep_dir=128, ep_type=3, i=1, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, iface_desc={0:0}, ifnum=0, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, ir_ep_found=1, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, num_endpts=1, pad_stabilize=1, pad_thresh=0, rx_endpoint={72058693549555701:306}, tmp=0, tmp___1=0, tx_control=1, tx_endpoint={0:0}, vfd_fops={271:0}] [L5920] RET, EXPR imon_find_endpoints(ictx, iface_desc) VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_find_endpoints(ictx, iface_desc)=1, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-19, rx_urb={-18446744073709555711:0}, tmp={72058693549555716:0}, vfd_fops={271:0}] [L5920] tmp___0 = imon_find_endpoints(ictx, iface_desc) [L5921] COND TRUE \read(tmp___0) [L5922] tmp___1 = 0 VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-19, rx_urb={-18446744073709555711:0}, tmp={72058693549555716:0}, tmp___0=1, tmp___1=0, vfd_fops={271:0}] [L5926] COND FALSE !(\read(tmp___1)) [L5930] EXPR ictx->display_type VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, ictx->display_type=2, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-19, rx_urb={-18446744073709555711:0}, tmp={72058693549555716:0}, tmp___0=1, tmp___1=0, vfd_fops={271:0}] [L5930] COND FALSE !((unsigned int )ictx->display_type == 3U) [L5937] ictx->touch = 0 VAL [__key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-19, rx_urb={-18446744073709555711:0}, tmp={72058693549555716:0}, tmp___0=1, tmp___1=0, vfd_fops={271:0}] [L5939] EXPR ictx->usbdev_intf1 [L5939] EXPR ictx->rx_endpoint_intf1 [L5939] EXPR (ictx->rx_endpoint_intf1)->bEndpointAddress VAL [(ictx->rx_endpoint_intf1)->bEndpointAddress=2, __key={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={72058693549555729:72058693549555717}, debug=0, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, ictx={0:0}, ictx={0:0}, ictx->rx_endpoint_intf1={72058693549555735:-8}, ictx->usbdev_intf1={0:0}, iface_desc={0:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, intf={0:8}, intf={0:8}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, ret=-19, rx_urb={-18446744073709555711:0}, tmp={72058693549555716:0}, tmp___0=1, tmp___1=0, vfd_fops={271:0}] [L5939] CALL __create_pipe(ictx->usbdev_intf1, (unsigned int )(ictx->rx_endpoint_intf1)->bEndpointAddress) VAL [\old(endpoint)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev={0:0}, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3658] EXPR dev->devnum VAL [\old(endpoint)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev={0:0}, dev={0:0}, dev->devnum=8388608, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, endpoint=2, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] [L3658] dev->devnum << 8 VAL [\old(endpoint)=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={72058693549555729:72058693549555717}, debug=0, dev={0:0}, dev={0:0}, dev->devnum=8388608, dev_attr_associate_remote={268:0}, dev_attr_imon_clock={274:0}, display_type=0, driver_lock={269:0}, endpoint=2, imon_display_attr_group={276:0}, imon_display_sysfs_entries={275:0}, imon_driver={272:0}, imon_lcd_class={279:0}, imon_panel_key_table={270:0}, imon_rf_attr_group={281:0}, imon_rf_sysfs_entries={278:0}, imon_usb_id_table={280:0}, imon_vfd_class={277:0}, lcd_fops={273:0}, LDV_IN_INTERRUPT=1, ldv_mutex_driver_lock=2, ldv_mutex_lock_of_imon_context=2, ldv_mutex_mutex_of_device=1, nomouse=0, pad_stabilize=1, pad_thresh=0, vfd_fops={271:0}] - UnprovableResult [Line: 3658]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3643]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3643]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3643]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3643]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5704]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5704]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6279]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6279]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6287]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6287]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6295]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6295]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 719 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 77.9s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 37.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8577 SdHoareTripleChecker+Valid, 35.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7914 mSDsluCounter, 60150 SdHoareTripleChecker+Invalid, 31.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44357 mSDsCounter, 4201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13645 IncrementalHoareTripleChecker+Invalid, 17846 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4201 mSolverCounterUnsat, 15793 mSDtfsCounter, 13645 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3062 GetRequests, 2877 SyntacticMatches, 4 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1178occurred in iteration=14, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 2177 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 4528 NumberOfCodeBlocks, 4528 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4772 ConstructedInterpolants, 0 QuantifiedInterpolants, 7769 SizeOfPredicates, 22 NumberOfNonLiveVariables, 46146 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 33 InterpolantComputations, 16 PerfectInterpolantSequences, 1758/1830 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 [2022-11-18 21:01:16,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a13fc6-4466-4b31-b900-3ca725f8ebcf/bin/uautomizer-TMbwUNV5ro/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample