./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:40:59,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:40:59,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:40:59,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:40:59,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:40:59,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:40:59,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:40:59,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:40:59,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:40:59,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:40:59,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:40:59,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:40:59,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:40:59,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:40:59,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:40:59,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:40:59,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:40:59,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:40:59,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:40:59,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:40:59,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:40:59,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:40:59,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:40:59,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:40:59,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:40:59,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:40:59,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:40:59,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:40:59,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:40:59,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:40:59,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:40:59,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:40:59,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:40:59,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:40:59,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:40:59,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:40:59,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:40:59,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:40:59,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:40:59,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:40:59,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:40:59,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:40:59,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:40:59,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:40:59,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:40:59,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:40:59,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:40:59,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:40:59,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:40:59,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:40:59,327 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:40:59,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:40:59,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:40:59,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:40:59,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:40:59,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:40:59,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:40:59,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:40:59,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:40:59,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:40:59,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:40:59,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:40:59,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:40:59,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:40:59,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:40:59,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:40:59,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:40:59,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:40:59,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:40:59,332 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:40:59,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:40:59,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:40:59,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:40:59,333 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_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 [2021-11-20 05:40:59,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:40:59,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:40:59,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:40:59,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:40:59,632 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:40:59,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-11-20 05:40:59,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/de0bb8698/b61f578b68244282b7e845d4af553218/FLAG615b7960d [2021-11-20 05:41:00,693 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:41:00,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-11-20 05:41:00,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/de0bb8698/b61f578b68244282b7e845d4af553218/FLAG615b7960d [2021-11-20 05:41:01,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/de0bb8698/b61f578b68244282b7e845d4af553218 [2021-11-20 05:41:01,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:41:01,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:41:01,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:41:01,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:41:01,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:41:01,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:41:01" (1/1) ... [2021-11-20 05:41:01,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c767b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:01, skipping insertion in model container [2021-11-20 05:41:01,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:41:01" (1/1) ... [2021-11-20 05:41:01,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:41:01,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:41:02,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2021-11-20 05:41:02,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:41:02,528 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:41:02,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2021-11-20 05:41:02,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:41:02,940 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:41:02,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02 WrapperNode [2021-11-20 05:41:02,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:41:02,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:41:02,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:41:02,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:41:02,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,154 INFO L137 Inliner]: procedures = 114, calls = 1187, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2158 [2021-11-20 05:41:03,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:41:03,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:41:03,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:41:03,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:41:03,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:41:03,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:41:03,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:41:03,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:41:03,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (1/1) ... [2021-11-20 05:41:03,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:41:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:41:03,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:41:03,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:41:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:41:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 05:41:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 05:41:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:41:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:41:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:41:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 05:41:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 05:41:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:41:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:41:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 05:41:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 05:41:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:41:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:41:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:41:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:41:03,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:41:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:41:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:41:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:41:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:41:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:41:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-20 05:41:03,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-20 05:41:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2021-11-20 05:41:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2021-11-20 05:41:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 05:41:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 05:41:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:41:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 05:41:03,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 05:41:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:41:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:41:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-20 05:41:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-20 05:41:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-20 05:41:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-20 05:41:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:41:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:41:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-11-20 05:41:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-11-20 05:41:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:41:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 05:41:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 05:41:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-11-20 05:41:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-11-20 05:41:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:41:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 05:41:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 05:41:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:41:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:41:03,876 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:41:03,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:41:03,995 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:41:04,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-11-20 05:41:06,099 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:41:06,120 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:41:06,121 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:41:06,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:41:06 BoogieIcfgContainer [2021-11-20 05:41:06,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:41:06,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:41:06,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:41:06,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:41:06,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:41:01" (1/3) ... [2021-11-20 05:41:06,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5364d02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:41:06, skipping insertion in model container [2021-11-20 05:41:06,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:02" (2/3) ... [2021-11-20 05:41:06,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5364d02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:41:06, skipping insertion in model container [2021-11-20 05:41:06,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:41:06" (3/3) ... [2021-11-20 05:41:06,135 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-11-20 05:41:06,141 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:41:06,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:41:06,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:41:06,225 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:41:06,225 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:41:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 450 states, 343 states have (on average 1.3906705539358601) internal successors, (477), 354 states have internal predecessors, (477), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-11-20 05:41:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 05:41:06,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:06,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:06,265 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:06,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:06,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1034947126, now seen corresponding path program 1 times [2021-11-20 05:41:06,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:06,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174903820] [2021-11-20 05:41:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:06,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:41:06,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:06,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174903820] [2021-11-20 05:41:06,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174903820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:06,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:06,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:06,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878074293] [2021-11-20 05:41:06,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:06,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:06,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:06,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:06,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:06,903 INFO L87 Difference]: Start difference. First operand has 450 states, 343 states have (on average 1.3906705539358601) internal successors, (477), 354 states have internal predecessors, (477), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 05:41:09,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:09,697 INFO L93 Difference]: Finished difference Result 1345 states and 2009 transitions. [2021-11-20 05:41:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:09,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-20 05:41:09,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:09,723 INFO L225 Difference]: With dead ends: 1345 [2021-11-20 05:41:09,724 INFO L226 Difference]: Without dead ends: 882 [2021-11-20 05:41:09,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:09,735 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 637 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:09,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 2353 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-20 05:41:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-11-20 05:41:09,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 848. [2021-11-20 05:41:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 654 states have (on average 1.3669724770642202) internal successors, (894), 660 states have internal predecessors, (894), 161 states have call successors, (161), 33 states have call predecessors, (161), 32 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2021-11-20 05:41:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1211 transitions. [2021-11-20 05:41:09,874 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1211 transitions. Word has length 22 [2021-11-20 05:41:09,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:09,874 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1211 transitions. [2021-11-20 05:41:09,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 05:41:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1211 transitions. [2021-11-20 05:41:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 05:41:09,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:09,879 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:41:09,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:41:09,880 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:09,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:09,881 INFO L85 PathProgramCache]: Analyzing trace with hash -362058192, now seen corresponding path program 1 times [2021-11-20 05:41:09,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:09,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413468868] [2021-11-20 05:41:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:09,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:41:10,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:10,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413468868] [2021-11-20 05:41:10,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413468868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:10,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:10,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:10,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65037894] [2021-11-20 05:41:10,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:10,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:10,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:10,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:10,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:10,039 INFO L87 Difference]: Start difference. First operand 848 states and 1211 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:11,185 INFO L93 Difference]: Finished difference Result 908 states and 1289 transitions. [2021-11-20 05:41:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:11,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 05:41:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:11,194 INFO L225 Difference]: With dead ends: 908 [2021-11-20 05:41:11,195 INFO L226 Difference]: Without dead ends: 895 [2021-11-20 05:41:11,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:11,197 INFO L933 BasicCegarLoop]: 628 mSDtfsCounter, 627 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:11,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [677 Valid, 1002 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 05:41:11,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2021-11-20 05:41:11,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 848. [2021-11-20 05:41:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 654 states have (on average 1.3654434250764527) internal successors, (893), 660 states have internal predecessors, (893), 161 states have call successors, (161), 33 states have call predecessors, (161), 32 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2021-11-20 05:41:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1210 transitions. [2021-11-20 05:41:11,259 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1210 transitions. Word has length 32 [2021-11-20 05:41:11,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:11,259 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1210 transitions. [2021-11-20 05:41:11,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1210 transitions. [2021-11-20 05:41:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 05:41:11,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:11,262 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:41:11,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:41:11,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:11,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:11,263 INFO L85 PathProgramCache]: Analyzing trace with hash -304799890, now seen corresponding path program 1 times [2021-11-20 05:41:11,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:11,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897397778] [2021-11-20 05:41:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:11,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:41:11,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:11,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897397778] [2021-11-20 05:41:11,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897397778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:11,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:11,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:11,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997086557] [2021-11-20 05:41:11,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:11,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:11,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:11,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:11,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:11,425 INFO L87 Difference]: Start difference. First operand 848 states and 1210 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:12,821 INFO L93 Difference]: Finished difference Result 2585 states and 3703 transitions. [2021-11-20 05:41:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:12,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 05:41:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:12,836 INFO L225 Difference]: With dead ends: 2585 [2021-11-20 05:41:12,837 INFO L226 Difference]: Without dead ends: 1749 [2021-11-20 05:41:12,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:12,841 INFO L933 BasicCegarLoop]: 686 mSDtfsCounter, 657 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:12,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 1617 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 05:41:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2021-11-20 05:41:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1679. [2021-11-20 05:41:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1298 states have (on average 1.3628659476117104) internal successors, (1769), 1306 states have internal predecessors, (1769), 315 states have call successors, (315), 64 states have call predecessors, (315), 65 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2021-11-20 05:41:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2402 transitions. [2021-11-20 05:41:12,966 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2402 transitions. Word has length 32 [2021-11-20 05:41:12,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:12,966 INFO L470 AbstractCegarLoop]: Abstraction has 1679 states and 2402 transitions. [2021-11-20 05:41:12,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2402 transitions. [2021-11-20 05:41:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 05:41:12,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:12,969 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:41:12,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:41:12,969 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:12,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash -859075655, now seen corresponding path program 1 times [2021-11-20 05:41:12,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:12,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271791509] [2021-11-20 05:41:12,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:12,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:41:13,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:13,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271791509] [2021-11-20 05:41:13,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271791509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:13,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:13,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:13,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473675803] [2021-11-20 05:41:13,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:13,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:13,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:13,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:13,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:13,126 INFO L87 Difference]: Start difference. First operand 1679 states and 2402 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:15,412 INFO L93 Difference]: Finished difference Result 5126 states and 7335 transitions. [2021-11-20 05:41:15,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:15,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-20 05:41:15,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:15,439 INFO L225 Difference]: With dead ends: 5126 [2021-11-20 05:41:15,439 INFO L226 Difference]: Without dead ends: 3459 [2021-11-20 05:41:15,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:15,449 INFO L933 BasicCegarLoop]: 1082 mSDtfsCounter, 639 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:15,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 2253 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 05:41:15,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2021-11-20 05:41:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 3332. [2021-11-20 05:41:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 2579 states have (on average 1.3606048856145794) internal successors, (3509), 2591 states have internal predecessors, (3509), 623 states have call successors, (623), 126 states have call predecessors, (623), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2021-11-20 05:41:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4766 transitions. [2021-11-20 05:41:15,708 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4766 transitions. Word has length 33 [2021-11-20 05:41:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:15,708 INFO L470 AbstractCegarLoop]: Abstraction has 3332 states and 4766 transitions. [2021-11-20 05:41:15,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4766 transitions. [2021-11-20 05:41:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 05:41:15,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:15,714 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:41:15,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:41:15,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:15,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash -861750319, now seen corresponding path program 1 times [2021-11-20 05:41:15,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:15,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902497813] [2021-11-20 05:41:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:15,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:41:15,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:15,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902497813] [2021-11-20 05:41:15,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902497813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:15,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:15,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:15,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776234134] [2021-11-20 05:41:15,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:15,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:15,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:15,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:15,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:15,898 INFO L87 Difference]: Start difference. First operand 3332 states and 4766 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:18,217 INFO L93 Difference]: Finished difference Result 3457 states and 4938 transitions. [2021-11-20 05:41:18,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:18,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2021-11-20 05:41:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:18,241 INFO L225 Difference]: With dead ends: 3457 [2021-11-20 05:41:18,241 INFO L226 Difference]: Without dead ends: 3454 [2021-11-20 05:41:18,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:18,245 INFO L933 BasicCegarLoop]: 1084 mSDtfsCounter, 636 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:18,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [686 Valid, 2256 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 05:41:18,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2021-11-20 05:41:18,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 3333. [2021-11-20 05:41:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3333 states, 2580 states have (on average 1.3604651162790697) internal successors, (3510), 2592 states have internal predecessors, (3510), 623 states have call successors, (623), 126 states have call predecessors, (623), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2021-11-20 05:41:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 4767 transitions. [2021-11-20 05:41:18,527 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 4767 transitions. Word has length 34 [2021-11-20 05:41:18,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:18,530 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 4767 transitions. [2021-11-20 05:41:18,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 4767 transitions. [2021-11-20 05:41:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 05:41:18,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:18,532 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:41:18,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:41:18,533 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:18,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash -944660036, now seen corresponding path program 1 times [2021-11-20 05:41:18,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:18,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286215922] [2021-11-20 05:41:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:18,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:41:18,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:18,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286215922] [2021-11-20 05:41:18,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286215922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:18,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:18,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:18,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206182923] [2021-11-20 05:41:18,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:18,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:18,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:18,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:18,684 INFO L87 Difference]: Start difference. First operand 3333 states and 4767 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:19,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:19,850 INFO L93 Difference]: Finished difference Result 3453 states and 4934 transitions. [2021-11-20 05:41:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:41:19,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-11-20 05:41:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:19,876 INFO L225 Difference]: With dead ends: 3453 [2021-11-20 05:41:19,876 INFO L226 Difference]: Without dead ends: 3450 [2021-11-20 05:41:19,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:19,880 INFO L933 BasicCegarLoop]: 611 mSDtfsCounter, 606 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:19,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 960 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 05:41:19,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2021-11-20 05:41:20,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3332. [2021-11-20 05:41:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 2580 states have (on average 1.360077519379845) internal successors, (3509), 2591 states have internal predecessors, (3509), 622 states have call successors, (622), 126 states have call predecessors, (622), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2021-11-20 05:41:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4765 transitions. [2021-11-20 05:41:20,110 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4765 transitions. Word has length 35 [2021-11-20 05:41:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:20,111 INFO L470 AbstractCegarLoop]: Abstraction has 3332 states and 4765 transitions. [2021-11-20 05:41:20,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4765 transitions. [2021-11-20 05:41:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 05:41:20,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:20,113 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:41:20,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 05:41:20,113 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash 780110900, now seen corresponding path program 1 times [2021-11-20 05:41:20,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:20,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473232571] [2021-11-20 05:41:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:20,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:41:20,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:20,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473232571] [2021-11-20 05:41:20,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473232571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:20,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:20,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:20,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646029791] [2021-11-20 05:41:20,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:20,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:20,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:20,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:20,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:20,262 INFO L87 Difference]: Start difference. First operand 3332 states and 4765 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:21,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:21,443 INFO L93 Difference]: Finished difference Result 3452 states and 4932 transitions. [2021-11-20 05:41:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:41:21,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-11-20 05:41:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:21,471 INFO L225 Difference]: With dead ends: 3452 [2021-11-20 05:41:21,472 INFO L226 Difference]: Without dead ends: 3440 [2021-11-20 05:41:21,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:21,475 INFO L933 BasicCegarLoop]: 609 mSDtfsCounter, 603 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:21,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [651 Valid, 957 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 05:41:21,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3440 states. [2021-11-20 05:41:21,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3440 to 3322. [2021-11-20 05:41:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 2571 states have (on average 1.3597821859198755) internal successors, (3496), 2581 states have internal predecessors, (3496), 621 states have call successors, (621), 126 states have call predecessors, (621), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2021-11-20 05:41:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4751 transitions. [2021-11-20 05:41:21,706 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4751 transitions. Word has length 36 [2021-11-20 05:41:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:21,708 INFO L470 AbstractCegarLoop]: Abstraction has 3322 states and 4751 transitions. [2021-11-20 05:41:21,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:41:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4751 transitions. [2021-11-20 05:41:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 05:41:21,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:21,713 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-20 05:41:21,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 05:41:21,714 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:21,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1322798679, now seen corresponding path program 1 times [2021-11-20 05:41:21,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:21,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566208839] [2021-11-20 05:41:21,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:21,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:41:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 05:41:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 05:41:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 05:41:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 05:41:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 05:41:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 05:41:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-20 05:41:21,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:21,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566208839] [2021-11-20 05:41:21,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566208839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:21,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:21,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:41:21,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996519036] [2021-11-20 05:41:21,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:21,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:41:21,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:21,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:41:21,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:41:21,952 INFO L87 Difference]: Start difference. First operand 3322 states and 4751 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:41:23,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:23,272 INFO L93 Difference]: Finished difference Result 6878 states and 9833 transitions. [2021-11-20 05:41:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:41:23,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2021-11-20 05:41:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:23,297 INFO L225 Difference]: With dead ends: 6878 [2021-11-20 05:41:23,297 INFO L226 Difference]: Without dead ends: 3568 [2021-11-20 05:41:23,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:41:23,310 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 104 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:23,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 2335 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 05:41:23,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3568 states. [2021-11-20 05:41:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3568 to 3426. [2021-11-20 05:41:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 2674 states have (on average 1.362004487658938) internal successors, (3642), 2684 states have internal predecessors, (3642), 621 states have call successors, (621), 127 states have call predecessors, (621), 130 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2021-11-20 05:41:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4897 transitions. [2021-11-20 05:41:23,514 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4897 transitions. Word has length 103 [2021-11-20 05:41:23,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:23,514 INFO L470 AbstractCegarLoop]: Abstraction has 3426 states and 4897 transitions. [2021-11-20 05:41:23,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:41:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4897 transitions. [2021-11-20 05:41:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-20 05:41:23,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:23,521 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2021-11-20 05:41:23,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 05:41:23,521 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:23,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:23,522 INFO L85 PathProgramCache]: Analyzing trace with hash -818637723, now seen corresponding path program 1 times [2021-11-20 05:41:23,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:23,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815915416] [2021-11-20 05:41:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:23,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 05:41:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:41:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 05:41:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 05:41:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 05:41:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:41:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 05:41:23,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:23,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815915416] [2021-11-20 05:41:23,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815915416] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:41:23,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113977700] [2021-11-20 05:41:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:23,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:41:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:41:23,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:41:23,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 05:41:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:24,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 2109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:41:24,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:41:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 05:41:24,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 05:41:24,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113977700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:24,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 05:41:24,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-11-20 05:41:24,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892974852] [2021-11-20 05:41:24,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:24,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:41:24,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:24,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:41:24,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:41:24,708 INFO L87 Difference]: Start difference. First operand 3426 states and 4897 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:41:25,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:25,222 INFO L93 Difference]: Finished difference Result 10422 states and 14889 transitions. [2021-11-20 05:41:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:41:25,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 112 [2021-11-20 05:41:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:25,272 INFO L225 Difference]: With dead ends: 10422 [2021-11-20 05:41:25,272 INFO L226 Difference]: Without dead ends: 7012 [2021-11-20 05:41:25,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-20 05:41:25,286 INFO L933 BasicCegarLoop]: 1211 mSDtfsCounter, 720 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 4149 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:25,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [722 Valid, 4149 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:41:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7012 states. [2021-11-20 05:41:25,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7012 to 3522. [2021-11-20 05:41:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3522 states, 2746 states have (on average 1.3525127458120902) internal successors, (3714), 2756 states have internal predecessors, (3714), 645 states have call successors, (645), 127 states have call predecessors, (645), 130 states have return successors, (662), 642 states have call predecessors, (662), 642 states have call successors, (662) [2021-11-20 05:41:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 5021 transitions. [2021-11-20 05:41:25,629 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 5021 transitions. Word has length 112 [2021-11-20 05:41:25,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:25,630 INFO L470 AbstractCegarLoop]: Abstraction has 3522 states and 5021 transitions. [2021-11-20 05:41:25,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:41:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 5021 transitions. [2021-11-20 05:41:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-20 05:41:25,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:25,634 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2021-11-20 05:41:25,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 05:41:25,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:41:25,860 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:25,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:25,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2098501401, now seen corresponding path program 1 times [2021-11-20 05:41:25,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:25,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309298022] [2021-11-20 05:41:25,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:25,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 05:41:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 05:41:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 05:41:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 05:41:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-20 05:41:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:41:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-20 05:41:26,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:26,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309298022] [2021-11-20 05:41:26,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309298022] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:41:26,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013399107] [2021-11-20 05:41:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:26,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:41:26,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:41:26,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:41:26,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 05:41:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:26,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-20 05:41:26,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:41:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 05:41:27,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:41:28,537 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-20 05:41:28,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013399107] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:41:28,537 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:41:28,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 29 [2021-11-20 05:41:28,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888902558] [2021-11-20 05:41:28,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:41:28,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-20 05:41:28,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:28,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-20 05:41:28,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2021-11-20 05:41:28,541 INFO L87 Difference]: Start difference. First operand 3522 states and 5021 transitions. Second operand has 29 states, 29 states have (on average 5.9655172413793105) internal successors, (173), 20 states have internal predecessors, (173), 6 states have call successors, (28), 6 states have call predecessors, (28), 9 states have return successors, (27), 12 states have call predecessors, (27), 6 states have call successors, (27) [2021-11-20 05:41:33,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:33,858 INFO L93 Difference]: Finished difference Result 7966 states and 11385 transitions. [2021-11-20 05:41:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 05:41:33,859 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.9655172413793105) internal successors, (173), 20 states have internal predecessors, (173), 6 states have call successors, (28), 6 states have call predecessors, (28), 9 states have return successors, (27), 12 states have call predecessors, (27), 6 states have call successors, (27) Word has length 112 [2021-11-20 05:41:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:33,886 INFO L225 Difference]: With dead ends: 7966 [2021-11-20 05:41:33,887 INFO L226 Difference]: Without dead ends: 4460 [2021-11-20 05:41:33,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=360, Invalid=2396, Unknown=0, NotChecked=0, Total=2756 [2021-11-20 05:41:33,899 INFO L933 BasicCegarLoop]: 1388 mSDtfsCounter, 2252 mSDsluCounter, 17846 mSDsCounter, 0 mSdLazyCounter, 5502 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2384 SdHoareTripleChecker+Valid, 19234 SdHoareTripleChecker+Invalid, 6172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 5502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:33,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2384 Valid, 19234 Invalid, 6172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [670 Valid, 5502 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 05:41:33,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2021-11-20 05:41:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 3605. [2021-11-20 05:41:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3605 states, 2809 states have (on average 1.344250622997508) internal successors, (3776), 2819 states have internal predecessors, (3776), 649 states have call successors, (649), 127 states have call predecessors, (649), 146 states have return successors, (734), 662 states have call predecessors, (734), 646 states have call successors, (734) [2021-11-20 05:41:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 5159 transitions. [2021-11-20 05:41:34,208 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 5159 transitions. Word has length 112 [2021-11-20 05:41:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:34,209 INFO L470 AbstractCegarLoop]: Abstraction has 3605 states and 5159 transitions. [2021-11-20 05:41:34,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.9655172413793105) internal successors, (173), 20 states have internal predecessors, (173), 6 states have call successors, (28), 6 states have call predecessors, (28), 9 states have return successors, (27), 12 states have call predecessors, (27), 6 states have call successors, (27) [2021-11-20 05:41:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 5159 transitions. [2021-11-20 05:41:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 05:41:34,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:34,214 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 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] [2021-11-20 05:41:34,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:41:34,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:41:34,436 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:34,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 2027575463, now seen corresponding path program 1 times [2021-11-20 05:41:34,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:34,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938479198] [2021-11-20 05:41:34,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 05:41:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 05:41:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:41:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:41:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 05:41:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 05:41:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 05:41:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 05:41:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 05:41:34,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:34,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938479198] [2021-11-20 05:41:34,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938479198] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:41:34,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683871499] [2021-11-20 05:41:34,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:34,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:41:34,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:41:34,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:41:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 05:41:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:35,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-20 05:41:35,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:41:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 05:41:36,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:41:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 05:41:37,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683871499] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:41:37,041 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:41:37,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 25 [2021-11-20 05:41:37,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122395940] [2021-11-20 05:41:37,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:41:37,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 05:41:37,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:37,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 05:41:37,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2021-11-20 05:41:37,044 INFO L87 Difference]: Start difference. First operand 3605 states and 5159 transitions. Second operand has 25 states, 25 states have (on average 7.92) internal successors, (198), 19 states have internal predecessors, (198), 7 states have call successors, (30), 7 states have call predecessors, (30), 6 states have return successors, (24), 10 states have call predecessors, (24), 7 states have call successors, (24) [2021-11-20 05:41:52,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:52,275 INFO L93 Difference]: Finished difference Result 13638 states and 19908 transitions. [2021-11-20 05:41:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-20 05:41:52,276 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.92) internal successors, (198), 19 states have internal predecessors, (198), 7 states have call successors, (30), 7 states have call predecessors, (30), 6 states have return successors, (24), 10 states have call predecessors, (24), 7 states have call successors, (24) Word has length 124 [2021-11-20 05:41:52,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:52,312 INFO L225 Difference]: With dead ends: 13638 [2021-11-20 05:41:52,312 INFO L226 Difference]: Without dead ends: 9997 [2021-11-20 05:41:52,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1670 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=691, Invalid=5009, Unknown=0, NotChecked=0, Total=5700 [2021-11-20 05:41:52,327 INFO L933 BasicCegarLoop]: 2404 mSDtfsCounter, 8079 mSDsluCounter, 27062 mSDsCounter, 0 mSdLazyCounter, 14328 mSolverCounterSat, 3969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8427 SdHoareTripleChecker+Valid, 29466 SdHoareTripleChecker+Invalid, 18297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3969 IncrementalHoareTripleChecker+Valid, 14328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:52,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8427 Valid, 29466 Invalid, 18297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3969 Valid, 14328 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2021-11-20 05:41:52,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9997 states. [2021-11-20 05:41:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9997 to 5383. [2021-11-20 05:41:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5383 states, 4197 states have (on average 1.3438170121515367) internal successors, (5640), 4211 states have internal predecessors, (5640), 967 states have call successors, (967), 189 states have call predecessors, (967), 218 states have return successors, (1084), 988 states have call predecessors, (1084), 964 states have call successors, (1084) [2021-11-20 05:41:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 7691 transitions. [2021-11-20 05:41:52,893 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 7691 transitions. Word has length 124 [2021-11-20 05:41:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:52,894 INFO L470 AbstractCegarLoop]: Abstraction has 5383 states and 7691 transitions. [2021-11-20 05:41:52,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.92) internal successors, (198), 19 states have internal predecessors, (198), 7 states have call successors, (30), 7 states have call predecessors, (30), 6 states have return successors, (24), 10 states have call predecessors, (24), 7 states have call successors, (24) [2021-11-20 05:41:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 7691 transitions. [2021-11-20 05:41:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-20 05:41:52,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:52,901 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-20 05:41:52,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:41:53,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:41:53,116 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:53,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:53,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1972520605, now seen corresponding path program 2 times [2021-11-20 05:41:53,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:53,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888727044] [2021-11-20 05:41:53,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:53,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:41:53,389 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:41:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:41:53,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:41:53,698 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:41:53,699 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:41:53,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 05:41:53,703 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:53,707 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:41:53,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:41:53 BoogieIcfgContainer [2021-11-20 05:41:53,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:41:53,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:41:53,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:41:53,995 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:41:53,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:41:06" (3/4) ... [2021-11-20 05:41:53,998 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:41:53,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:41:53,999 INFO L158 Benchmark]: Toolchain (without parser) took 52774.96ms. Allocated memory was 104.9MB in the beginning and 633.3MB in the end (delta: 528.5MB). Free memory was 71.5MB in the beginning and 208.0MB in the end (delta: -136.6MB). Peak memory consumption was 392.5MB. Max. memory is 16.1GB. [2021-11-20 05:41:53,999 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:41:53,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1717.26ms. Allocated memory was 104.9MB in the beginning and 172.0MB in the end (delta: 67.1MB). Free memory was 71.3MB in the beginning and 116.1MB in the end (delta: -44.8MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2021-11-20 05:41:54,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.12ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 103.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 05:41:54,000 INFO L158 Benchmark]: Boogie Preprocessor took 202.74ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 92.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:41:54,001 INFO L158 Benchmark]: RCFGBuilder took 2766.15ms. Allocated memory was 172.0MB in the beginning and 270.5MB in the end (delta: 98.6MB). Free memory was 91.6MB in the beginning and 171.7MB in the end (delta: -80.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2021-11-20 05:41:54,002 INFO L158 Benchmark]: TraceAbstraction took 47864.99ms. Allocated memory was 270.5MB in the beginning and 633.3MB in the end (delta: 362.8MB). Free memory was 171.7MB in the beginning and 209.1MB in the end (delta: -37.4MB). Peak memory consumption was 325.4MB. Max. memory is 16.1GB. [2021-11-20 05:41:54,002 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 633.3MB. Free memory was 209.1MB in the beginning and 208.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:41:54,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1717.26ms. Allocated memory was 104.9MB in the beginning and 172.0MB in the end (delta: 67.1MB). Free memory was 71.3MB in the beginning and 116.1MB in the end (delta: -44.8MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.12ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 103.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 202.74ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 92.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2766.15ms. Allocated memory was 172.0MB in the beginning and 270.5MB in the end (delta: 98.6MB). Free memory was 91.6MB in the beginning and 171.7MB in the end (delta: -80.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * TraceAbstraction took 47864.99ms. Allocated memory was 270.5MB in the beginning and 633.3MB in the end (delta: 362.8MB). Free memory was 171.7MB in the beginning and 209.1MB in the end (delta: -37.4MB). Peak memory consumption was 325.4MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 633.3MB. Free memory was 209.1MB in the beginning and 208.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 3735]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 3669. Possible FailurePath: [L3758] int ldv_state_variable_1 ; [L3759] int LDV_IN_INTERRUPT = 1; [L3760] int usb_counter ; [L3761] struct usb_interface *gtco_driverinfo_table_group1 ; [L3762] int ref_cnt ; [L3763] int ldv_state_variable_0 ; [L3830-L3844] static struct usb_device_id const gtco_usbid_table[6U] = { {3U, 1932U, 1024U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 1025U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4096U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4098U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3845] struct usb_device_id const __mod_usb_device_table ; [L4829-L4834] static struct usb_driver gtco_driverinfo_table = {"gtco", & gtco_probe, & gtco_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& gtco_usbid_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, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L4850] int ldv_retval_0 ; [L4851] int ldv_retval_1 ; [L5064] int INTERF_STATE = 0; [L5065] int SERIAL_STATE = 0; [L5066] void *usb_intfdata = 0; [L5067] struct urb *usb_urb = 0; [L5068] struct usb_device *usb_dev = 0; [L5069] int dev_counter = 0; [L5070] int completeFnIntCounter = 0; [L5071] int completeFnBulkCounter = 0; [L5072] void (*completeFnInt)(struct urb * ) ; [L5073] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4865] struct usb_device_id *ldvarg0 ; [L4866] void *tmp ; [L4867] int tmp___0 ; [L4868] int tmp___1 ; [L4869] int tmp___2 ; VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] tmp = ldv_zalloc(32UL) [L4872] ldvarg0 = (struct usb_device_id *)tmp [L4873] FCALL ldv_initialize() [L4874] ldv_state_variable_1 = 0 [L4875] ref_cnt = 0 [L4876] ldv_state_variable_0 = 1 VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: [L4922] case 1: VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4923] COND TRUE ldv_state_variable_0 == 1 [L4924] CALL, EXPR gtco_driverinfo_table_init() [L4837] int tmp ; [L4839] CALL, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L5036] ldv_func_ret_type ldv_func_res ; [L5037] int tmp ; [L5039] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5370] return __VERIFIER_nondet_int(); [L5039] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5039] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5040] ldv_func_res = tmp [L5041] ldv_state_variable_1 = 1 [L5042] usb_counter = 0 [L5043] CALL ldv_usb_driver_1() [L4856] void *tmp ; VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] tmp = ldv_zalloc(1520UL) [L4859] gtco_driverinfo_table_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5043] RET ldv_usb_driver_1() [L5044] return (ldv_func_res); VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={167:0}, ldv_func_arg1={167:0}, ldv_func_arg2={4105:4100}, ldv_func_arg2={4105:4100}, ldv_func_arg3={165:0}, ldv_func_arg3={165:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4839] RET, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4839] tmp = ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4840] return (tmp); VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4924] RET, EXPR gtco_driverinfo_table_init() [L4924] ldv_retval_1 = gtco_driverinfo_table_init() [L4925] COND TRUE ldv_retval_1 == 0 [L4926] ldv_state_variable_0 = 3 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4929] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4881] COND TRUE ldv_state_variable_1 != 0 [L4882] tmp___1 = __VERIFIER_nondet_int() [L4884] case 0: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4885] COND TRUE ldv_state_variable_1 == 1 [L4886] CALL, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4569] struct gtco *gtco ; [L4570] struct input_dev *input_dev ; [L4571] struct hid_descriptor *hid_desc ; [L4572] char *report ; [L4573] int result ; [L4574] int retry ; [L4575] int error ; [L4576] struct usb_endpoint_descriptor *endpoint ; [L4577] void *tmp ; [L4578] struct usb_device *tmp___0 ; [L4579] void *tmp___1 ; [L4580] struct _ddebug descriptor ; [L4581] long tmp___2 ; [L4582] struct _ddebug descriptor___0 ; [L4583] long tmp___3 ; [L4584] struct _ddebug descriptor___1 ; [L4585] long tmp___4 ; [L4586] struct _ddebug descriptor___2 ; [L4587] long tmp___5 ; [L4588] struct _ddebug descriptor___3 ; [L4589] long tmp___6 ; [L4590] int tmp___7 ; [L4591] struct _ddebug descriptor___4 ; [L4592] long tmp___8 ; [L4593] int tmp___9 ; [L4594] struct _ddebug descriptor___5 ; [L4595] long tmp___10 ; [L4596] void *tmp___11 ; [L4597] unsigned int tmp___12 ; [L4598] struct _ddebug descriptor___6 ; [L4599] long tmp___13 ; [L4600] unsigned int tmp___14 ; [L4602] result = 0 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] CALL, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=152, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, \old(t)=4104, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, t=4104, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=4104, \old(size)=152, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=4104, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp___2={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=208, \old(size)=152, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=208, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4603] RET, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, INTERF_STATE=0, kzalloc(152UL, 208U)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] tmp = kzalloc(152UL, 208U) [L4604] gtco = (struct gtco *)tmp [L4605] CALL, EXPR input_allocate_device() [L3766] CALL, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=2144, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, \old(t)=4106, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, t=4106, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=4106, \old(size)=2144, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=4106, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp___2={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=4102, \old(size)=2144, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=4102, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] RET, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u)={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] return kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u); [L4605] RET, EXPR input_allocate_device() [L4605] input_dev = input_allocate_device() [L4606] COND FALSE !((unsigned long )gtco == (unsigned long )((struct gtco *)0) || (unsigned long )input_dev == (unsigned long )((struct input_dev *)0)) [L4612] gtco->inputdevice = input_dev [L4613] CALL, EXPR interface_to_usbdev(usbinterface) [L4956] struct usb_device *tmp ; [L4958] CALL, EXPR ldv_interface_to_usbdev() [L5177] void *result ; [L5178] void *tmp ; VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] tmp = ldv_malloc(sizeof(struct usb_device)) [L5181] result = tmp VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-36893488147419103233:0}, SERIAL_STATE=0, tmp={-36893488147419103233:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5182] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-36893488147419103233:0}, SERIAL_STATE=0, tmp={-36893488147419103233:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5186] return (result); VAL [={0:0}, ={0:0}, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-36893488147419103233:0}, SERIAL_STATE=0, tmp={-36893488147419103233:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4958] RET, EXPR ldv_interface_to_usbdev() [L4958] tmp = ldv_interface_to_usbdev() [L4959] return (tmp); VAL [={0:0}, ={0:0}, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-36893488147419103233:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4613] RET, EXPR interface_to_usbdev(usbinterface) [L4613] tmp___0 = interface_to_usbdev(usbinterface) [L4614] CALL, EXPR ldv_usb_get_dev_4(tmp___0) [L4980] struct usb_device *tmp ; [L4982] CALL, EXPR ldv_get_dev(ldv_func_arg1) [L5191] int tmp ; VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103233:0}, data={-36893488147419103233:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5193] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103233:0}, data={-36893488147419103233:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3717] int tmp ; [L3719] tmp = __VERIFIER_nondet_int() [L3720] return (tmp); VAL [={0:0}, ={0:0}, \result=178, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=178, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] RET, EXPR ldv_undef_int() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103233:0}, data={-36893488147419103233:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=178, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] tmp = ldv_undef_int() [L5195] COND TRUE \read(tmp) [L5196] dev_counter = dev_counter + 1 [L5197] usb_dev = data VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103233:0}, data={-36893488147419103233:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=178, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5205] return (usb_dev); VAL [={0:0}, ={0:0}, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103233:0}, data={-36893488147419103233:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=178, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4982] RET, EXPR ldv_get_dev(ldv_func_arg1) [L4982] tmp = ldv_get_dev(ldv_func_arg1) [L4983] return (tmp); VAL [={0:0}, ={0:0}, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={-36893488147419103233:0}, ldv_func_arg1={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-36893488147419103233:0}, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4614] RET, EXPR ldv_usb_get_dev_4(tmp___0) [L4614] gtco->usbdev = ldv_usb_get_dev_4(tmp___0) [L4615] gtco->intf = usbinterface [L4616] EXPR gtco->usbdev [L4616] CALL, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L5353] CALL, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND TRUE tmp___0 != 0 [L3689] return ((void *)0); VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=0, tmp___0=-2, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] RET, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(arg1)=10, \old(arg2)=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, __mod_usb_device_table=0, __this_module={4105:4100}, arg0={-36893488147419103233:0}, arg0={-36893488147419103233:0}, arg1=10, arg2=208, arg3={-18446744073709551615:32}, arg3={-18446744073709551615:32}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] return ldv_malloc(0UL); [L4616] RET, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4616] tmp___1 = usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4617] gtco->buffer = (unsigned char *)tmp___1 [L4618] EXPR gtco->buffer VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=1, gtco={-18446744073709551615:0}, gtco->buffer={0:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0={-36893488147419103233:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4618] COND TRUE (unsigned long )gtco->buffer == (unsigned long )((unsigned char *)0U) [L4620] error = -12 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=1, error=-12, gtco={-18446744073709551615:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0={-36893488147419103233:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4805] FCALL input_free_device(input_dev) [L4806] CALL kfree((void const *)gtco) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4806] RET kfree((void const *)gtco) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=1, error=-12, gtco={-18446744073709551615:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0={-36893488147419103233:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, error=-12, gtco={-18446744073709551615:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, tmp___0={-36893488147419103233:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4886] RET, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4886] ldv_retval_0 = gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4887] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4915] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4916] CALL gtco_driverinfo_table_exit() [L4846] CALL ldv_usb_deregister_12(& gtco_driverinfo_table) [L5050] FCALL usb_deregister(arg) [L5051] ldv_state_variable_1 = 0 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, arg={167:0}, arg={167:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4846] RET ldv_usb_deregister_12(& gtco_driverinfo_table) [L4916] RET gtco_driverinfo_table_exit() [L4917] ldv_state_variable_0 = 2 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4950] CALL ldv_check_final_state() [L5283] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5287] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5289] CALL ldv_error() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3735] reach_error() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={4105:4100}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-36893488147419103233:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 452 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.5s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 35.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16393 SdHoareTripleChecker+Valid, 29.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15560 mSDsluCounter, 66582 SdHoareTripleChecker+Invalid, 25.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55118 mSDsCounter, 5609 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22183 IncrementalHoareTripleChecker+Invalid, 27792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5609 mSolverCounterUnsat, 11464 mSDtfsCounter, 22183 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2215 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5383occurred in iteration=11, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 9736 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1153 NumberOfCodeBlocks, 1153 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 4502 SizeOfPredicates, 38 NumberOfNonLiveVariables, 6361 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 396/431 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 05:41:54,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:41:56,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:41:56,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:41:56,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:41:56,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:41:56,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:41:56,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:41:56,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:41:56,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:41:56,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:41:56,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:41:56,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:41:56,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:41:56,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:41:56,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:41:56,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:41:56,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:41:56,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:41:56,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:41:56,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:41:56,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:41:56,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:41:56,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:41:56,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:41:56,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:41:56,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:41:56,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:41:56,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:41:56,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:41:56,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:41:56,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:41:56,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:41:56,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:41:56,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:41:56,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:41:56,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:41:56,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:41:56,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:41:56,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:41:56,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:41:56,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:41:56,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 05:41:56,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:41:56,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:41:56,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:41:56,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:41:56,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:41:56,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:41:56,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:41:56,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:41:56,565 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:41:56,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:41:56,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:41:56,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:41:56,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:41:56,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:41:56,568 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 05:41:56,568 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 05:41:56,569 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 05:41:56,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:41:56,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:41:56,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:41:56,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:41:56,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:41:56,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:41:56,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:41:56,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:41:56,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:41:56,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:41:56,571 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 05:41:56,572 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 05:41:56,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:41:56,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:41:56,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:41:56,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:41:56,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 05:41:56,573 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 [2021-11-20 05:41:56,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:41:56,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:41:56,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:41:56,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:41:56,979 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:41:56,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-11-20 05:41:57,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/89c5efae9/61f6402a31b64d38b3187030c4af526d/FLAG2ae3fbe44 [2021-11-20 05:41:57,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:41:57,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-11-20 05:41:58,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/89c5efae9/61f6402a31b64d38b3187030c4af526d/FLAG2ae3fbe44 [2021-11-20 05:41:58,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/data/89c5efae9/61f6402a31b64d38b3187030c4af526d [2021-11-20 05:41:58,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:41:58,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:41:58,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:41:58,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:41:58,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:41:58,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:41:58" (1/1) ... [2021-11-20 05:41:58,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54709797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:41:58, skipping insertion in model container [2021-11-20 05:41:58,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:41:58" (1/1) ... [2021-11-20 05:41:58,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:41:58,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:41:59,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2021-11-20 05:41:59,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:41:59,806 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 05:41:59,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:41:59,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2021-11-20 05:42:00,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:42:00,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:42:00,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2021-11-20 05:42:00,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:42:00,479 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:42:00,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00 WrapperNode [2021-11-20 05:42:00,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:42:00,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:42:00,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:42:00,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:42:00,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,688 INFO L137 Inliner]: procedures = 126, calls = 1187, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2112 [2021-11-20 05:42:00,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:42:00,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:42:00,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:42:00,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:42:00,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:42:00,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:42:00,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:42:00,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:42:00,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (1/1) ... [2021-11-20 05:42:00,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:42:00,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:00,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:00,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:42:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 05:42:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 05:42:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 05:42:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 05:42:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 05:42:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 05:42:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:42:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:42:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 05:42:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 05:42:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:42:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:42:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 05:42:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 05:42:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:42:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:42:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:42:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:42:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-20 05:42:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:42:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:42:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:42:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:42:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:42:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-20 05:42:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-20 05:42:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2021-11-20 05:42:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2021-11-20 05:42:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 05:42:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 05:42:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:42:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 05:42:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 05:42:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:42:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:42:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-20 05:42:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-20 05:42:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-20 05:42:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-20 05:42:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:42:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 05:42:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 05:42:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-20 05:42:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:42:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 05:42:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-11-20 05:42:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-11-20 05:42:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:42:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-20 05:42:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 05:42:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 05:42:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-20 05:42:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 05:42:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 05:42:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-11-20 05:42:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-11-20 05:42:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 05:42:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 05:42:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:42:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:42:01,520 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:42:01,522 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:42:01,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:42:01,719 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-11-20 05:42:16,952 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:42:16,967 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:42:16,967 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:42:16,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:16 BoogieIcfgContainer [2021-11-20 05:42:16,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:42:16,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:42:16,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:42:16,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:42:16,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:41:58" (1/3) ... [2021-11-20 05:42:16,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d14ba6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:42:16, skipping insertion in model container [2021-11-20 05:42:16,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:00" (2/3) ... [2021-11-20 05:42:16,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d14ba6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:42:16, skipping insertion in model container [2021-11-20 05:42:16,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:16" (3/3) ... [2021-11-20 05:42:16,979 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-11-20 05:42:16,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:42:16,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:42:17,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:42:17,042 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:42:17,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:42:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 450 states, 343 states have (on average 1.3906705539358601) internal successors, (477), 354 states have internal predecessors, (477), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-11-20 05:42:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 05:42:17,118 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:17,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:42:17,120 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:17,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:17,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1034947126, now seen corresponding path program 1 times [2021-11-20 05:42:17,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:17,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971574120] [2021-11-20 05:42:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:17,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:17,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:17,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:17,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 05:42:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:17,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:42:17,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:42:17,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:42:17,913 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:17,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971574120] [2021-11-20 05:42:17,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971574120] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:17,914 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:17,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 05:42:17,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163760212] [2021-11-20 05:42:17,917 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:17,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:42:17,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:17,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:42:17,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:42:17,957 INFO L87 Difference]: Start difference. First operand has 450 states, 343 states have (on average 1.3906705539358601) internal successors, (477), 354 states have internal predecessors, (477), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 05:42:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:19,235 INFO L93 Difference]: Finished difference Result 1719 states and 2585 transitions. [2021-11-20 05:42:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:42:19,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-20 05:42:19,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:19,265 INFO L225 Difference]: With dead ends: 1719 [2021-11-20 05:42:19,270 INFO L226 Difference]: Without dead ends: 1250 [2021-11-20 05:42:19,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:42:19,295 INFO L933 BasicCegarLoop]: 800 mSDtfsCounter, 1643 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:19,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1643 Valid, 1838 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 05:42:19,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-11-20 05:42:19,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2021-11-20 05:42:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 965 states have (on average 1.3689119170984456) internal successors, (1321), 972 states have internal predecessors, (1321), 237 states have call successors, (237), 48 states have call predecessors, (237), 47 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2021-11-20 05:42:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1790 transitions. [2021-11-20 05:42:19,497 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1790 transitions. Word has length 22 [2021-11-20 05:42:19,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:19,498 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1790 transitions. [2021-11-20 05:42:19,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 05:42:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1790 transitions. [2021-11-20 05:42:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 05:42:19,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:19,501 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:42:19,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:19,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:19,718 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:19,719 INFO L85 PathProgramCache]: Analyzing trace with hash -362058192, now seen corresponding path program 1 times [2021-11-20 05:42:19,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:19,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352472454] [2021-11-20 05:42:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:19,721 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:19,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:19,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 05:42:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:20,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:42:20,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:20,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:20,399 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:20,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352472454] [2021-11-20 05:42:20,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352472454] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:20,400 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:20,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 05:42:20,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462117199] [2021-11-20 05:42:20,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:20,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:42:20,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:20,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:42:20,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:20,403 INFO L87 Difference]: Start difference. First operand 1250 states and 1790 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:42:20,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:20,533 INFO L93 Difference]: Finished difference Result 1276 states and 1822 transitions. [2021-11-20 05:42:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:42:20,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 05:42:20,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:20,543 INFO L225 Difference]: With dead ends: 1276 [2021-11-20 05:42:20,543 INFO L226 Difference]: Without dead ends: 1263 [2021-11-20 05:42:20,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:20,545 INFO L933 BasicCegarLoop]: 639 mSDtfsCounter, 619 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:20,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 655 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:42:20,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2021-11-20 05:42:20,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1250. [2021-11-20 05:42:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 965 states have (on average 1.3678756476683938) internal successors, (1320), 972 states have internal predecessors, (1320), 237 states have call successors, (237), 48 states have call predecessors, (237), 47 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2021-11-20 05:42:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1789 transitions. [2021-11-20 05:42:20,630 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1789 transitions. Word has length 32 [2021-11-20 05:42:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:20,630 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1789 transitions. [2021-11-20 05:42:20,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 05:42:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1789 transitions. [2021-11-20 05:42:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 05:42:20,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:20,633 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:42:20,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:20,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:20,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:20,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:20,854 INFO L85 PathProgramCache]: Analyzing trace with hash -304799890, now seen corresponding path program 1 times [2021-11-20 05:42:20,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:20,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824100457] [2021-11-20 05:42:20,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:20,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:20,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:20,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:20,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 05:42:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:21,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 05:42:21,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:21,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:21,925 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:21,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824100457] [2021-11-20 05:42:21,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824100457] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:21,925 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:21,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-20 05:42:21,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425188116] [2021-11-20 05:42:21,926 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:21,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:42:21,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:42:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:42:21,928 INFO L87 Difference]: Start difference. First operand 1250 states and 1789 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 05:42:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:22,188 INFO L93 Difference]: Finished difference Result 3727 states and 5357 transitions. [2021-11-20 05:42:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:42:22,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2021-11-20 05:42:22,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:22,209 INFO L225 Difference]: With dead ends: 3727 [2021-11-20 05:42:22,209 INFO L226 Difference]: Without dead ends: 2489 [2021-11-20 05:42:22,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:42:22,214 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 612 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:22,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [612 Valid, 1906 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:42:22,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2489 states. [2021-11-20 05:42:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2489 to 2477. [2021-11-20 05:42:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1916 states have (on average 1.3663883089770354) internal successors, (2618), 1926 states have internal predecessors, (2618), 467 states have call successors, (467), 94 states have call predecessors, (467), 93 states have return successors, (471), 462 states have call predecessors, (471), 462 states have call successors, (471) [2021-11-20 05:42:22,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3556 transitions. [2021-11-20 05:42:22,397 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3556 transitions. Word has length 32 [2021-11-20 05:42:22,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:22,397 INFO L470 AbstractCegarLoop]: Abstraction has 2477 states and 3556 transitions. [2021-11-20 05:42:22,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 05:42:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3556 transitions. [2021-11-20 05:42:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 05:42:22,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:22,400 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:42:22,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:22,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:22,614 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:22,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash -859075655, now seen corresponding path program 1 times [2021-11-20 05:42:22,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:22,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518400531] [2021-11-20 05:42:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:22,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:22,618 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:22,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 05:42:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:23,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 05:42:23,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:23,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:23,658 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:23,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518400531] [2021-11-20 05:42:23,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518400531] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:23,658 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:23,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-20 05:42:23,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428584756] [2021-11-20 05:42:23,659 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:23,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:42:23,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:23,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:42:23,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:42:23,660 INFO L87 Difference]: Start difference. First operand 2477 states and 3556 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 05:42:24,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:24,970 INFO L93 Difference]: Finished difference Result 9834 states and 14118 transitions. [2021-11-20 05:42:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:42:24,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2021-11-20 05:42:24,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:25,023 INFO L225 Difference]: With dead ends: 9834 [2021-11-20 05:42:25,024 INFO L226 Difference]: Without dead ends: 7369 [2021-11-20 05:42:25,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:42:25,033 INFO L933 BasicCegarLoop]: 1176 mSDtfsCounter, 1187 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:25,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1187 Valid, 2821 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 05:42:25,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2021-11-20 05:42:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7346. [2021-11-20 05:42:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7346 states, 5687 states have (on average 1.36346052400211) internal successors, (7754), 5709 states have internal predecessors, (7754), 1381 states have call successors, (1381), 278 states have call predecessors, (1381), 277 states have return successors, (1403), 1376 states have call predecessors, (1403), 1376 states have call successors, (1403) [2021-11-20 05:42:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7346 states to 7346 states and 10538 transitions. [2021-11-20 05:42:25,527 INFO L78 Accepts]: Start accepts. Automaton has 7346 states and 10538 transitions. Word has length 33 [2021-11-20 05:42:25,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:25,527 INFO L470 AbstractCegarLoop]: Abstraction has 7346 states and 10538 transitions. [2021-11-20 05:42:25,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 05:42:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7346 states and 10538 transitions. [2021-11-20 05:42:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 05:42:25,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:25,535 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:42:25,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:25,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:25,760 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:25,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash -861750319, now seen corresponding path program 1 times [2021-11-20 05:42:25,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:25,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393133387] [2021-11-20 05:42:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:25,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:25,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:25,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 05:42:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:26,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:42:26,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:26,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:26,529 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:26,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393133387] [2021-11-20 05:42:26,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393133387] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:26,529 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:26,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-20 05:42:26,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505479866] [2021-11-20 05:42:26,530 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:26,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:42:26,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:26,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:42:26,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:26,531 INFO L87 Difference]: Start difference. First operand 7346 states and 10538 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 05:42:26,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:26,830 INFO L93 Difference]: Finished difference Result 7364 states and 10556 transitions. [2021-11-20 05:42:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:42:26,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2021-11-20 05:42:26,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:26,878 INFO L225 Difference]: With dead ends: 7364 [2021-11-20 05:42:26,879 INFO L226 Difference]: Without dead ends: 7361 [2021-11-20 05:42:26,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:26,882 INFO L933 BasicCegarLoop]: 1100 mSDtfsCounter, 588 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:26,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 1709 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:42:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2021-11-20 05:42:27,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 7358. [2021-11-20 05:42:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7358 states, 5699 states have (on average 1.3628706790665028) internal successors, (7767), 5721 states have internal predecessors, (7767), 1381 states have call successors, (1381), 278 states have call predecessors, (1381), 277 states have return successors, (1403), 1376 states have call predecessors, (1403), 1376 states have call successors, (1403) [2021-11-20 05:42:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7358 states to 7358 states and 10551 transitions. [2021-11-20 05:42:27,354 INFO L78 Accepts]: Start accepts. Automaton has 7358 states and 10551 transitions. Word has length 34 [2021-11-20 05:42:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:27,354 INFO L470 AbstractCegarLoop]: Abstraction has 7358 states and 10551 transitions. [2021-11-20 05:42:27,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 05:42:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7358 states and 10551 transitions. [2021-11-20 05:42:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 05:42:27,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:27,356 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:42:27,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:27,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:27,570 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:27,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:27,571 INFO L85 PathProgramCache]: Analyzing trace with hash -944660036, now seen corresponding path program 1 times [2021-11-20 05:42:27,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:27,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720128761] [2021-11-20 05:42:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:27,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:27,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:27,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:27,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 05:42:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:28,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:42:28,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:28,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:28,313 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:28,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720128761] [2021-11-20 05:42:28,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720128761] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:28,314 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:28,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-20 05:42:28,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308644195] [2021-11-20 05:42:28,314 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:28,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:42:28,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:28,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:42:28,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:28,316 INFO L87 Difference]: Start difference. First operand 7358 states and 10551 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 05:42:28,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:28,600 INFO L93 Difference]: Finished difference Result 7360 states and 10552 transitions. [2021-11-20 05:42:28,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:42:28,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2021-11-20 05:42:28,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:28,672 INFO L225 Difference]: With dead ends: 7360 [2021-11-20 05:42:28,673 INFO L226 Difference]: Without dead ends: 7357 [2021-11-20 05:42:28,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:28,678 INFO L933 BasicCegarLoop]: 621 mSDtfsCounter, 593 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:28,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 621 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:42:28,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7357 states. [2021-11-20 05:42:29,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7357 to 7357. [2021-11-20 05:42:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7357 states, 5699 states have (on average 1.3626952096859097) internal successors, (7766), 5720 states have internal predecessors, (7766), 1380 states have call successors, (1380), 278 states have call predecessors, (1380), 277 states have return successors, (1403), 1376 states have call predecessors, (1403), 1376 states have call successors, (1403) [2021-11-20 05:42:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 10549 transitions. [2021-11-20 05:42:29,189 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 10549 transitions. Word has length 35 [2021-11-20 05:42:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:29,190 INFO L470 AbstractCegarLoop]: Abstraction has 7357 states and 10549 transitions. [2021-11-20 05:42:29,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 05:42:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 10549 transitions. [2021-11-20 05:42:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 05:42:29,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:29,192 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 05:42:29,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:29,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:29,409 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:29,410 INFO L85 PathProgramCache]: Analyzing trace with hash 780110900, now seen corresponding path program 1 times [2021-11-20 05:42:29,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:29,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917985251] [2021-11-20 05:42:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:29,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:29,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:29,413 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:29,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 05:42:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:29,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:42:29,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:30,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 05:42:30,187 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:30,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917985251] [2021-11-20 05:42:30,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917985251] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:30,187 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:30,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-20 05:42:30,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732644936] [2021-11-20 05:42:30,188 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:30,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:42:30,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:30,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:42:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:30,189 INFO L87 Difference]: Start difference. First operand 7357 states and 10549 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 05:42:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:30,494 INFO L93 Difference]: Finished difference Result 7359 states and 10550 transitions. [2021-11-20 05:42:30,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:42:30,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2021-11-20 05:42:30,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:30,530 INFO L225 Difference]: With dead ends: 7359 [2021-11-20 05:42:30,530 INFO L226 Difference]: Without dead ends: 7347 [2021-11-20 05:42:30,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:30,534 INFO L933 BasicCegarLoop]: 620 mSDtfsCounter, 590 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:30,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [590 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:42:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7347 states. [2021-11-20 05:42:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7347 to 7347. [2021-11-20 05:42:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7347 states, 5690 states have (on average 1.3625659050966608) internal successors, (7753), 5710 states have internal predecessors, (7753), 1379 states have call successors, (1379), 278 states have call predecessors, (1379), 277 states have return successors, (1403), 1376 states have call predecessors, (1403), 1376 states have call successors, (1403) [2021-11-20 05:42:31,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7347 states to 7347 states and 10535 transitions. [2021-11-20 05:42:31,005 INFO L78 Accepts]: Start accepts. Automaton has 7347 states and 10535 transitions. Word has length 36 [2021-11-20 05:42:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:31,005 INFO L470 AbstractCegarLoop]: Abstraction has 7347 states and 10535 transitions. [2021-11-20 05:42:31,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 05:42:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7347 states and 10535 transitions. [2021-11-20 05:42:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 05:42:31,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:31,009 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-20 05:42:31,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:31,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:31,226 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:31,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:31,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1322798679, now seen corresponding path program 1 times [2021-11-20 05:42:31,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:31,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108109580] [2021-11-20 05:42:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:31,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:31,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:31,230 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:31,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 05:42:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:42:31,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 05:42:32,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-20 05:42:32,411 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:32,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108109580] [2021-11-20 05:42:32,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108109580] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:32,411 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:32,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 05:42:32,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955661838] [2021-11-20 05:42:32,412 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:32,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:42:32,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:32,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:42:32,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:32,413 INFO L87 Difference]: Start difference. First operand 7347 states and 10535 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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) [2021-11-20 05:42:32,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:32,990 INFO L93 Difference]: Finished difference Result 14949 states and 21443 transitions. [2021-11-20 05:42:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:42:32,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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 103 [2021-11-20 05:42:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:33,017 INFO L225 Difference]: With dead ends: 14949 [2021-11-20 05:42:33,018 INFO L226 Difference]: Without dead ends: 7614 [2021-11-20 05:42:33,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:33,039 INFO L933 BasicCegarLoop]: 622 mSDtfsCounter, 45 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:33,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 1222 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:42:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7614 states. [2021-11-20 05:42:33,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7614 to 7566. [2021-11-20 05:42:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7566 states, 5908 states have (on average 1.365267433987813) internal successors, (8066), 5928 states have internal predecessors, (8066), 1379 states have call successors, (1379), 279 states have call predecessors, (1379), 278 states have return successors, (1403), 1376 states have call predecessors, (1403), 1376 states have call successors, (1403) [2021-11-20 05:42:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7566 states to 7566 states and 10848 transitions. [2021-11-20 05:42:33,499 INFO L78 Accepts]: Start accepts. Automaton has 7566 states and 10848 transitions. Word has length 103 [2021-11-20 05:42:33,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:33,501 INFO L470 AbstractCegarLoop]: Abstraction has 7566 states and 10848 transitions. [2021-11-20 05:42:33,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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) [2021-11-20 05:42:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 7566 states and 10848 transitions. [2021-11-20 05:42:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-20 05:42:33,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:33,506 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2021-11-20 05:42:33,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:33,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:33,730 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:33,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:33,730 INFO L85 PathProgramCache]: Analyzing trace with hash -818637723, now seen corresponding path program 1 times [2021-11-20 05:42:33,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:33,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250977843] [2021-11-20 05:42:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:33,732 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:33,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:33,734 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:33,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 05:42:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:34,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 05:42:34,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 05:42:35,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-20 05:42:36,238 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:36,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250977843] [2021-11-20 05:42:36,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250977843] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 05:42:36,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 05:42:36,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2021-11-20 05:42:36,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056585385] [2021-11-20 05:42:36,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:36,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:42:36,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:36,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:42:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-20 05:42:36,240 INFO L87 Difference]: Start difference. First operand 7566 states and 10848 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 05:42:39,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:39,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:39,323 INFO L93 Difference]: Finished difference Result 16118 states and 23212 transitions. [2021-11-20 05:42:39,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 05:42:39,324 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) Word has length 112 [2021-11-20 05:42:39,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:39,358 INFO L225 Difference]: With dead ends: 16118 [2021-11-20 05:42:39,358 INFO L226 Difference]: Without dead ends: 8568 [2021-11-20 05:42:39,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:42:39,380 INFO L933 BasicCegarLoop]: 684 mSDtfsCounter, 119 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 6016 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:39,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 6016 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 05:42:39,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8568 states. [2021-11-20 05:42:39,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8568 to 7746. [2021-11-20 05:42:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 6052 states have (on average 1.3565763384005287) internal successors, (8210), 6072 states have internal predecessors, (8210), 1379 states have call successors, (1379), 279 states have call predecessors, (1379), 314 states have return successors, (1547), 1412 states have call predecessors, (1547), 1376 states have call successors, (1547) [2021-11-20 05:42:39,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 11136 transitions. [2021-11-20 05:42:39,837 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 11136 transitions. Word has length 112 [2021-11-20 05:42:39,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:39,838 INFO L470 AbstractCegarLoop]: Abstraction has 7746 states and 11136 transitions. [2021-11-20 05:42:39,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 05:42:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 11136 transitions. [2021-11-20 05:42:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-20 05:42:39,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:39,848 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2021-11-20 05:42:39,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:40,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:40,070 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:40,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:40,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1266039471, now seen corresponding path program 1 times [2021-11-20 05:42:40,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:40,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258619064] [2021-11-20 05:42:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:40,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:40,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:40,073 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:40,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 05:42:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:40,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 05:42:40,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-20 05:42:41,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-20 05:42:42,304 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:42,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258619064] [2021-11-20 05:42:42,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258619064] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:42:42,305 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 05:42:42,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-20 05:42:42,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836064070] [2021-11-20 05:42:42,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 05:42:42,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 05:42:42,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:42,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 05:42:42,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-20 05:42:42,307 INFO L87 Difference]: Start difference. First operand 7746 states and 11136 transitions. Second operand has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (18), 8 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-20 05:42:44,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:45,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:47,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:48,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:50,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:51,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:51,749 INFO L93 Difference]: Finished difference Result 16406 states and 23608 transitions. [2021-11-20 05:42:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:42:51,765 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (18), 8 states have call predecessors, (18), 4 states have call successors, (18) Word has length 118 [2021-11-20 05:42:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:51,795 INFO L225 Difference]: With dead ends: 16406 [2021-11-20 05:42:51,796 INFO L226 Difference]: Without dead ends: 8676 [2021-11-20 05:42:51,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-11-20 05:42:51,820 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 63 mSDsluCounter, 7261 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:51,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 7935 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-20 05:42:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8676 states. [2021-11-20 05:42:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8676 to 7782. [2021-11-20 05:42:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7782 states, 6070 states have (on average 1.355518945634267) internal successors, (8228), 6090 states have internal predecessors, (8228), 1397 states have call successors, (1397), 279 states have call predecessors, (1397), 314 states have return successors, (1583), 1430 states have call predecessors, (1583), 1394 states have call successors, (1583) [2021-11-20 05:42:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7782 states to 7782 states and 11208 transitions. [2021-11-20 05:42:52,318 INFO L78 Accepts]: Start accepts. Automaton has 7782 states and 11208 transitions. Word has length 118 [2021-11-20 05:42:52,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:52,320 INFO L470 AbstractCegarLoop]: Abstraction has 7782 states and 11208 transitions. [2021-11-20 05:42:52,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (18), 8 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-20 05:42:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 7782 states and 11208 transitions. [2021-11-20 05:42:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 05:42:52,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:52,324 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 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] [2021-11-20 05:42:52,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:52,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:52,545 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:52,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:52,546 INFO L85 PathProgramCache]: Analyzing trace with hash -987528155, now seen corresponding path program 2 times [2021-11-20 05:42:52,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:52,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813773696] [2021-11-20 05:42:52,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:42:52,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:52,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:52,549 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:52,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 05:42:53,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:42:53,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:42:53,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 05:42:53,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 05:42:53,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-20 05:42:54,169 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:54,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813773696] [2021-11-20 05:42:54,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813773696] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 05:42:54,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 05:42:54,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-20 05:42:54,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799971551] [2021-11-20 05:42:54,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:54,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:42:54,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:54,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:42:54,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:42:54,172 INFO L87 Difference]: Start difference. First operand 7782 states and 11208 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 05:42:54,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:54,607 INFO L93 Difference]: Finished difference Result 15584 states and 22435 transitions. [2021-11-20 05:42:54,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:42:54,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 124 [2021-11-20 05:42:54,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:54,643 INFO L225 Difference]: With dead ends: 15584 [2021-11-20 05:42:54,643 INFO L226 Difference]: Without dead ends: 7782 [2021-11-20 05:42:54,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:42:54,673 INFO L933 BasicCegarLoop]: 617 mSDtfsCounter, 0 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:54,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2462 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:42:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7782 states. [2021-11-20 05:42:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7782 to 7782. [2021-11-20 05:42:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7782 states, 6070 states have (on average 1.355518945634267) internal successors, (8228), 6090 states have internal predecessors, (8228), 1397 states have call successors, (1397), 279 states have call predecessors, (1397), 314 states have return successors, (1565), 1430 states have call predecessors, (1565), 1394 states have call successors, (1565) [2021-11-20 05:42:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7782 states to 7782 states and 11190 transitions. [2021-11-20 05:42:55,196 INFO L78 Accepts]: Start accepts. Automaton has 7782 states and 11190 transitions. Word has length 124 [2021-11-20 05:42:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:55,197 INFO L470 AbstractCegarLoop]: Abstraction has 7782 states and 11190 transitions. [2021-11-20 05:42:55,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 05:42:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 7782 states and 11190 transitions. [2021-11-20 05:42:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-20 05:42:55,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:55,201 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-20 05:42:55,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:55,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:42:55,415 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:55,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1042583013, now seen corresponding path program 3 times [2021-11-20 05:42:55,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:42:55,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726227079] [2021-11-20 05:42:55,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 05:42:55,417 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:42:55,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:42:55,419 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:42:55,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 05:42:56,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 05:42:56,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:42:56,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 05:42:56,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-20 05:42:56,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:42:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-20 05:42:57,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:42:57,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726227079] [2021-11-20 05:42:57,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726227079] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:42:57,388 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 05:42:57,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-20 05:42:57,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400566493] [2021-11-20 05:42:57,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 05:42:57,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:42:57,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:42:57,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:42:57,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:42:57,390 INFO L87 Difference]: Start difference. First operand 7782 states and 11190 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 05:43:01,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:43:01,494 INFO L93 Difference]: Finished difference Result 46570 states and 67015 transitions. [2021-11-20 05:43:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:43:01,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (20), 3 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 130 [2021-11-20 05:43:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:43:01,657 INFO L225 Difference]: With dead ends: 46570 [2021-11-20 05:43:01,657 INFO L226 Difference]: Without dead ends: 46537 [2021-11-20 05:43:01,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:43:01,673 INFO L933 BasicCegarLoop]: 2043 mSDtfsCounter, 2735 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 05:43:01,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2735 Valid, 4422 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-20 05:43:01,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46537 states. [2021-11-20 05:43:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46537 to 46216. [2021-11-20 05:43:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46216 states, 35984 states have (on average 1.355935971542908) internal successors, (48792), 36130 states have internal predecessors, (48792), 8357 states have call successors, (8357), 1659 states have call predecessors, (8357), 1874 states have return successors, (9380), 8534 states have call predecessors, (9380), 8354 states have call successors, (9380) [2021-11-20 05:43:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46216 states to 46216 states and 66529 transitions. [2021-11-20 05:43:04,327 INFO L78 Accepts]: Start accepts. Automaton has 46216 states and 66529 transitions. Word has length 130 [2021-11-20 05:43:04,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:43:04,328 INFO L470 AbstractCegarLoop]: Abstraction has 46216 states and 66529 transitions. [2021-11-20 05:43:04,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 05:43:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 46216 states and 66529 transitions. [2021-11-20 05:43:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-20 05:43:04,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:43:04,338 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-20 05:43:04,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:04,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:43:04,551 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:43:04,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:43:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1972520605, now seen corresponding path program 1 times [2021-11-20 05:43:04,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:43:04,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687810016] [2021-11-20 05:43:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:43:04,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:43:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:43:04,555 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:43:04,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 05:43:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:43:25,481 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:44:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:44:21,241 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-20 05:44:21,242 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:44:21,243 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:44:21,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:44:21,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:44:21,459 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:44:21,462 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:44:21,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:44:21 BoogieIcfgContainer [2021-11-20 05:44:21,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:44:21,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:44:21,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:44:21,811 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:44:21,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:16" (3/4) ... [2021-11-20 05:44:21,813 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 05:44:22,056 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:44:22,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:44:22,057 INFO L158 Benchmark]: Toolchain (without parser) took 143542.01ms. Allocated memory was 81.8MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 61.4MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 417.0MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,058 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:44:22,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1962.94ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 61.2MB in the beginning and 69.1MB in the end (delta: -7.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.18ms. Allocated memory is still 121.6MB. Free memory was 69.1MB in the beginning and 56.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,062 INFO L158 Benchmark]: Boogie Preprocessor took 230.57ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 66.7MB in the end (delta: -10.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,062 INFO L158 Benchmark]: RCFGBuilder took 16042.37ms. Allocated memory was 121.6MB in the beginning and 197.1MB in the end (delta: 75.5MB). Free memory was 66.7MB in the beginning and 123.1MB in the end (delta: -56.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,063 INFO L158 Benchmark]: TraceAbstraction took 124837.22ms. Allocated memory was 197.1MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 123.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 380.8MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,066 INFO L158 Benchmark]: Witness Printer took 246.66ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-11-20 05:44:22,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1962.94ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 61.2MB in the beginning and 69.1MB in the end (delta: -7.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.18ms. Allocated memory is still 121.6MB. Free memory was 69.1MB in the beginning and 56.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 230.57ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 66.7MB in the end (delta: -10.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16042.37ms. Allocated memory was 121.6MB in the beginning and 197.1MB in the end (delta: 75.5MB). Free memory was 66.7MB in the beginning and 123.1MB in the end (delta: -56.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * TraceAbstraction took 124837.22ms. Allocated memory was 197.1MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 123.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 380.8MB. Max. memory is 16.1GB. * Witness Printer took 246.66ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. 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. - 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 - CounterExampleResult [Line: 3735]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L3758] int ldv_state_variable_1 ; [L3759] int LDV_IN_INTERRUPT = 1; [L3760] int usb_counter ; [L3761] struct usb_interface *gtco_driverinfo_table_group1 ; [L3762] int ref_cnt ; [L3763] int ldv_state_variable_0 ; [L3830-L3844] static struct usb_device_id const gtco_usbid_table[6U] = { {3U, 1932U, 1024U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 1025U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4096U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4098U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3845] struct usb_device_id const __mod_usb_device_table ; [L4829-L4834] static struct usb_driver gtco_driverinfo_table = {"gtco", & gtco_probe, & gtco_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& gtco_usbid_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, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L4850] int ldv_retval_0 ; [L4851] int ldv_retval_1 ; [L5064] int INTERF_STATE = 0; [L5065] int SERIAL_STATE = 0; [L5066] void *usb_intfdata = 0; [L5067] struct urb *usb_urb = 0; [L5068] struct usb_device *usb_dev = 0; [L5069] int dev_counter = 0; [L5070] int completeFnIntCounter = 0; [L5071] int completeFnBulkCounter = 0; [L5072] void (*completeFnInt)(struct urb * ) ; [L5073] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4865] struct usb_device_id *ldvarg0 ; [L4866] void *tmp ; [L4867] int tmp___0 ; [L4868] int tmp___1 ; [L4869] int tmp___2 ; VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] tmp = ldv_zalloc(32UL) [L4872] ldvarg0 = (struct usb_device_id *)tmp [L4873] FCALL ldv_initialize() [L4874] ldv_state_variable_1 = 0 [L4875] ref_cnt = 0 [L4876] ldv_state_variable_0 = 1 VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: [L4922] case 1: VAL [={0:0}, ={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, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4923] COND TRUE ldv_state_variable_0 == 1 [L4924] CALL, EXPR gtco_driverinfo_table_init() [L4837] int tmp ; [L4839] CALL, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L5036] ldv_func_ret_type ldv_func_res ; [L5037] int tmp ; [L5039] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5370] return __VERIFIER_nondet_int(); [L5039] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5039] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5040] ldv_func_res = tmp [L5041] ldv_state_variable_1 = 1 [L5042] usb_counter = 0 [L5043] CALL ldv_usb_driver_1() [L4856] void *tmp ; VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] tmp = ldv_zalloc(1520UL) [L4859] gtco_driverinfo_table_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5043] RET ldv_usb_driver_1() [L5044] return (ldv_func_res); VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={167:0}, ldv_func_arg1={167:0}, ldv_func_arg2={169:168}, ldv_func_arg2={169:168}, ldv_func_arg3={165:0}, ldv_func_arg3={165:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4839] RET, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4839] tmp = ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4840] return (tmp); VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4924] RET, EXPR gtco_driverinfo_table_init() [L4924] ldv_retval_1 = gtco_driverinfo_table_init() [L4925] COND TRUE ldv_retval_1 == 0 [L4926] ldv_state_variable_0 = 3 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4929] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4881] COND TRUE ldv_state_variable_1 != 0 [L4882] tmp___1 = __VERIFIER_nondet_int() [L4884] case 0: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4885] COND TRUE ldv_state_variable_1 == 1 [L4886] CALL, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4569] struct gtco *gtco ; [L4570] struct input_dev *input_dev ; [L4571] struct hid_descriptor *hid_desc ; [L4572] char *report ; [L4573] int result ; [L4574] int retry ; [L4575] int error ; [L4576] struct usb_endpoint_descriptor *endpoint ; [L4577] void *tmp ; [L4578] struct usb_device *tmp___0 ; [L4579] void *tmp___1 ; [L4580] struct _ddebug descriptor ; [L4581] long tmp___2 ; [L4582] struct _ddebug descriptor___0 ; [L4583] long tmp___3 ; [L4584] struct _ddebug descriptor___1 ; [L4585] long tmp___4 ; [L4586] struct _ddebug descriptor___2 ; [L4587] long tmp___5 ; [L4588] struct _ddebug descriptor___3 ; [L4589] long tmp___6 ; [L4590] int tmp___7 ; [L4591] struct _ddebug descriptor___4 ; [L4592] long tmp___8 ; [L4593] int tmp___9 ; [L4594] struct _ddebug descriptor___5 ; [L4595] long tmp___10 ; [L4596] void *tmp___11 ; [L4597] unsigned int tmp___12 ; [L4598] struct _ddebug descriptor___6 ; [L4599] long tmp___13 ; [L4600] unsigned int tmp___14 ; [L4602] result = 0 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611686018427387779:0}, descriptor___0={-9223372036854775297:0}, descriptor___1={-9223372036854775585:0}, descriptor___2={-9218868437227405185:0}, descriptor___3={-4611686018427387841:0}, descriptor___4={-9223372036854775681:0}, descriptor___5={-9223372036854775617:0}, descriptor___6={-9223372036854775553:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-4593671619917905588:0}, id={0:0}, id={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] CALL, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775684:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-9223372036854775684:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775684:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-9223372036854775684:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=152, \result={-9223372036854775684:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775684:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-9223372036854775684:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, \old(t)=32976, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-9223372036854775684:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, t=32976, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=32976, \old(size)=152, \result={-9223372036854775684:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=32976, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp___2={-9223372036854775684:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=208, \old(size)=152, \result={-9223372036854775684:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=208, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-9223372036854775684:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4603] RET, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611686018427387779:0}, descriptor___0={-9223372036854775297:0}, descriptor___1={-9223372036854775585:0}, descriptor___2={-9218868437227405185:0}, descriptor___3={-4611686018427387841:0}, descriptor___4={-9223372036854775681:0}, descriptor___5={-9223372036854775617:0}, descriptor___6={-9223372036854775553:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-4593671619917905588:0}, id={0:0}, id={0:0}, INTERF_STATE=0, kzalloc(152UL, 208U)={-9223372036854775684:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] tmp = kzalloc(152UL, 208U) [L4604] gtco = (struct gtco *)tmp [L4605] CALL, EXPR input_allocate_device() [L3766] CALL, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775762:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-9223372036854775762:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775762:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-9223372036854775762:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=2144, \result={-9223372036854775762:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775762:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-9223372036854775762:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, \old(t)=32976, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-9223372036854775762:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, t=32976, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=32976, \old(size)=2144, \result={-9223372036854775762:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=32976, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp___2={-9223372036854775762:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=208, \old(size)=2144, \result={-9223372036854775762:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=208, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-9223372036854775762:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] RET, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u)={-9223372036854775762:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] return kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u); [L4605] RET, EXPR input_allocate_device() [L4605] input_dev = input_allocate_device() [L4606] COND FALSE !((unsigned long )gtco == (unsigned long )((struct gtco *)0) || (unsigned long )input_dev == (unsigned long )((struct input_dev *)0)) [L4612] gtco->inputdevice = input_dev [L4613] CALL, EXPR interface_to_usbdev(usbinterface) [L4956] struct usb_device *tmp ; [L4958] CALL, EXPR ldv_interface_to_usbdev() [L5177] void *result ; [L5178] void *tmp ; VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775801:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-9223372036854775801:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775801:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-9223372036854775801:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={-9223372036854775801:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775801:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-9223372036854775801:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={-9223372036854775801:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] tmp = ldv_malloc(sizeof(struct usb_device)) [L5181] result = tmp VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-9223372036854775801:0}, SERIAL_STATE=0, tmp={-9223372036854775801:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5182] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-9223372036854775801:0}, SERIAL_STATE=0, tmp={-9223372036854775801:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5186] return (result); VAL [={0:0}, ={0:0}, \result={-9223372036854775801:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-9223372036854775801:0}, SERIAL_STATE=0, tmp={-9223372036854775801:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4958] RET, EXPR ldv_interface_to_usbdev() [L4958] tmp = ldv_interface_to_usbdev() [L4959] return (tmp); VAL [={0:0}, ={0:0}, \result={-9223372036854775801:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-9223372036854775801:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4613] RET, EXPR interface_to_usbdev(usbinterface) [L4613] tmp___0 = interface_to_usbdev(usbinterface) [L4614] CALL, EXPR ldv_usb_get_dev_4(tmp___0) [L4980] struct usb_device *tmp ; [L4982] CALL, EXPR ldv_get_dev(ldv_func_arg1) [L5191] int tmp ; VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775801:0}, data={-9223372036854775801:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5193] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775801:0}, data={-9223372036854775801:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3717] int tmp ; [L3719] tmp = __VERIFIER_nondet_int() [L3720] return (tmp); VAL [={0:0}, ={0:0}, \result=-1073741760, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=3221225536, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] RET, EXPR ldv_undef_int() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775801:0}, data={-9223372036854775801:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=-1073741760, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] tmp = ldv_undef_int() [L5195] COND TRUE \read(tmp) [L5196] dev_counter = dev_counter + 1 [L5197] usb_dev = data VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775801:0}, data={-9223372036854775801:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=3221225536, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5205] return (usb_dev); VAL [={0:0}, ={0:0}, \result={-9223372036854775801:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-9223372036854775801:0}, data={-9223372036854775801:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=3221225536, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4982] RET, EXPR ldv_get_dev(ldv_func_arg1) [L4982] tmp = ldv_get_dev(ldv_func_arg1) [L4983] return (tmp); VAL [={0:0}, ={0:0}, \result={-9223372036854775801:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={-9223372036854775801:0}, ldv_func_arg1={-9223372036854775801:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-9223372036854775801:0}, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4614] RET, EXPR ldv_usb_get_dev_4(tmp___0) [L4614] gtco->usbdev = ldv_usb_get_dev_4(tmp___0) [L4615] gtco->intf = usbinterface [L4616] EXPR gtco->usbdev [L4616] CALL, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L5353] CALL, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND TRUE tmp___0 != 0 [L3689] return ((void *)0); VAL [={0:0}, ={0:0}, \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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=0, tmp___0=2147483648, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] RET, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(arg1)=null, \old(arg2)=null, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, arg0={-9223372036854775801:0}, arg0={-9223372036854775801:0}, arg1=null, arg2=null, arg3={-9223372036854775684:32}, arg3={-9223372036854775684:32}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] return ldv_malloc(0UL); [L4616] RET, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4616] tmp___1 = usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4617] gtco->buffer = (unsigned char *)tmp___1 [L4618] EXPR gtco->buffer VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611686018427387779:0}, descriptor___0={-9223372036854775297:0}, descriptor___1={-9223372036854775585:0}, descriptor___2={-9218868437227405185:0}, descriptor___3={-4611686018427387841:0}, descriptor___4={-9223372036854775681:0}, descriptor___5={-9223372036854775617:0}, descriptor___6={-9223372036854775553:0}, dev_counter=1, gtco={-9223372036854775684:0}, gtco->buffer={0:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-4593671619917905588:0}, id={0:0}, id={0:0}, input_dev={-9223372036854775762:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-9223372036854775684:0}, tmp___0={-9223372036854775801:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4618] COND TRUE (unsigned long )gtco->buffer == (unsigned long )((unsigned char *)0U) [L4620] error = -12 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611686018427387779:0}, descriptor___0={-9223372036854775297:0}, descriptor___1={-9223372036854775585:0}, descriptor___2={-9218868437227405185:0}, descriptor___3={-4611686018427387841:0}, descriptor___4={-9223372036854775681:0}, descriptor___5={-9223372036854775617:0}, descriptor___6={-9223372036854775553:0}, dev_counter=1, error=4294967284, gtco={-9223372036854775684:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-4593671619917905588:0}, id={0:0}, id={0:0}, input_dev={-9223372036854775762:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-9223372036854775684:0}, tmp___0={-9223372036854775801:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4805] FCALL input_free_device(input_dev) [L4806] CALL kfree((void const *)gtco) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-9223372036854775684:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4806] RET kfree((void const *)gtco) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611686018427387779:0}, descriptor___0={-9223372036854775297:0}, descriptor___1={-9223372036854775585:0}, descriptor___2={-9218868437227405185:0}, descriptor___3={-4611686018427387841:0}, descriptor___4={-9223372036854775681:0}, descriptor___5={-9223372036854775617:0}, descriptor___6={-9223372036854775553:0}, dev_counter=1, error=4294967284, gtco={-9223372036854775684:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-4593671619917905588:0}, id={0:0}, id={0:0}, input_dev={-9223372036854775762:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-9223372036854775684:0}, tmp___0={-9223372036854775801:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, error=4294967284, gtco={-9223372036854775684:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, id={0:0}, id={0:0}, input_dev={-9223372036854775762:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-9223372036854775684:0}, tmp___0={-9223372036854775801:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4886] RET, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4886] ldv_retval_0 = gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4887] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4915] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4916] CALL gtco_driverinfo_table_exit() [L4846] CALL ldv_usb_deregister_12(& gtco_driverinfo_table) [L5050] FCALL usb_deregister(arg) [L5051] ldv_state_variable_1 = 0 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, arg={167:0}, arg={167:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4846] RET ldv_usb_deregister_12(& gtco_driverinfo_table) [L4916] RET gtco_driverinfo_table_exit() [L4917] ldv_state_variable_0 = 2 VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4950] CALL ldv_check_final_state() [L5283] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5287] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5289] CALL ldv_error() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3735] reach_error() VAL [={0:0}, ={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, __mod_usb_device_table=0, __this_module={169:168}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-9223372036854775801:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 452 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 124.4s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 8798 SdHoareTripleChecker+Valid, 16.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8794 mSDsluCounter, 32227 SdHoareTripleChecker+Invalid, 15.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21931 mSDsCounter, 658 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1574 IncrementalHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 658 mSolverCounterUnsat, 10296 mSDtfsCounter, 1574 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1606 GetRequests, 1549 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46216occurred in iteration=12, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 2136 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 25.6s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 941 NumberOfCodeBlocks, 877 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1598 ConstructedInterpolants, 0 QuantifiedInterpolants, 3255 SizeOfPredicates, 32 NumberOfNonLiveVariables, 12128 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 484/522 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 proved your program to be incorrect! [2021-11-20 05:44:22,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2347295f-7bf0-49ba-9a1a-a12089fa01ed/bin/uautomizer-DQz5hQGWxF/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE