./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 03:40:43,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 03:40:43,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 03:40:43,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 03:40:43,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 03:40:43,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 03:40:43,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 03:40:43,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 03:40:43,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 03:40:43,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 03:40:43,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 03:40:43,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 03:40:43,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 03:40:43,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 03:40:43,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 03:40:43,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 03:40:43,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 03:40:43,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 03:40:43,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 03:40:43,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 03:40:43,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 03:40:43,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 03:40:43,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 03:40:43,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 03:40:43,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 03:40:43,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 03:40:43,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 03:40:43,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 03:40:43,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 03:40:43,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 03:40:43,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 03:40:43,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 03:40:43,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 03:40:43,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 03:40:43,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 03:40:43,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 03:40:43,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 03:40:43,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 03:40:43,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 03:40:43,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 03:40:43,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 03:40:43,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 03:40:43,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 03:40:43,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 03:40:43,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 03:40:43,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 03:40:43,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 03:40:43,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 03:40:43,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 03:40:43,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 03:40:43,338 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 03:40:43,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 03:40:43,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 03:40:43,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 03:40:43,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 03:40:43,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 03:40:43,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 03:40:43,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 03:40:43,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 03:40:43,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 03:40:43,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 03:40:43,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 03:40:43,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 03:40:43,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:40:43,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 03:40:43,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 03:40:43,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 03:40:43,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 03:40:43,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 03:40:43,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 03:40:43,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 03:40:43,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 03:40:43,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 03:40:43,342 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 [2021-12-18 03:40:43,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 03:40:43,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 03:40:43,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 03:40:43,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 03:40:43,578 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 03:40:43,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-12-18 03:40:43,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2343004bd/ec91fd22ead24a80a1579641b5819200/FLAGd99caaccd [2021-12-18 03:40:44,140 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 03:40:44,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-18 03:40:44,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2343004bd/ec91fd22ead24a80a1579641b5819200/FLAGd99caaccd [2021-12-18 03:40:44,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2343004bd/ec91fd22ead24a80a1579641b5819200 [2021-12-18 03:40:44,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 03:40:44,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 03:40:44,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 03:40:44,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 03:40:44,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 03:40:44,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:40:44" (1/1) ... [2021-12-18 03:40:44,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d3dfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:44, skipping insertion in model container [2021-12-18 03:40:44,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:40:44" (1/1) ... [2021-12-18 03:40:44,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 03:40:44,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 03:40:45,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-18 03:40:45,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:40:45,443 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 03:40:45,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-18 03:40:45,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:40:45,636 INFO L208 MainTranslator]: Completed translation [2021-12-18 03:40:45,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45 WrapperNode [2021-12-18 03:40:45,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 03:40:45,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 03:40:45,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 03:40:45,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 03:40:45,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,757 INFO L137 Inliner]: procedures = 114, calls = 1187, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2158 [2021-12-18 03:40:45,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 03:40:45,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 03:40:45,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 03:40:45,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 03:40:45,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 03:40:45,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 03:40:45,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 03:40:45,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 03:40:45,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (1/1) ... [2021-12-18 03:40:45,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:40:45,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:40:45,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 03:40:45,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 03:40:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 03:40:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 03:40:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 03:40:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 03:40:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 03:40:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 03:40:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 03:40:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 03:40:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 03:40:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 03:40:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 03:40:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 03:40:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 03:40:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 03:40:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 03:40:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 03:40:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 03:40:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 03:40:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 03:40:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 03:40:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 03:40:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 03:40:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-18 03:40:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-18 03:40:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2021-12-18 03:40:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2021-12-18 03:40:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 03:40:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 03:40:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 03:40:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 03:40:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 03:40:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 03:40:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 03:40:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-18 03:40:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-18 03:40:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-18 03:40:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-18 03:40:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 03:40:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 03:40:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-12-18 03:40:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-12-18 03:40:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 03:40:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 03:40:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 03:40:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-18 03:40:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-18 03:40:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 03:40:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 03:40:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 03:40:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 03:40:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 03:40:46,294 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 03:40:46,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 03:40:46,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 03:40:46,433 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-12-18 03:40:47,539 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 03:40:47,550 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 03:40:47,550 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 03:40:47,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:40:47 BoogieIcfgContainer [2021-12-18 03:40:47,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 03:40:47,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 03:40:47,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 03:40:47,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 03:40:47,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:40:44" (1/3) ... [2021-12-18 03:40:47,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b4b818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:40:47, skipping insertion in model container [2021-12-18 03:40:47,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:40:45" (2/3) ... [2021-12-18 03:40:47,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b4b818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:40:47, skipping insertion in model container [2021-12-18 03:40:47,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:40:47" (3/3) ... [2021-12-18 03:40:47,563 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-12-18 03:40:47,566 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 03:40:47,566 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 03:40:47,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 03:40:47,606 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 [2021-12-18 03:40:47,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 03:40:47,625 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) [2021-12-18 03:40:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-18 03:40:47,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:47,630 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] [2021-12-18 03:40:47,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:47,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1034947126, now seen corresponding path program 1 times [2021-12-18 03:40:47,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:47,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872264466] [2021-12-18 03:40:47,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:47,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:40:48,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:48,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872264466] [2021-12-18 03:40:48,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872264466] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:48,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:48,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:48,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250674305] [2021-12-18 03:40:48,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:48,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:48,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:48,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:48,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:48,039 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) [2021-12-18 03:40:49,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:49,689 INFO L93 Difference]: Finished difference Result 1345 states and 2009 transitions. [2021-12-18 03:40:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 03:40:49,691 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 [2021-12-18 03:40:49,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:49,703 INFO L225 Difference]: With dead ends: 1345 [2021-12-18 03:40:49,703 INFO L226 Difference]: Without dead ends: 882 [2021-12-18 03:40:49,708 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 [2021-12-18 03:40:49,710 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 637 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:49,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 2353 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-18 03:40:49,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-12-18 03:40:49,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 848. [2021-12-18 03:40:49,791 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) [2021-12-18 03:40:49,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1211 transitions. [2021-12-18 03:40:49,795 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1211 transitions. Word has length 22 [2021-12-18 03:40:49,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:49,796 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1211 transitions. [2021-12-18 03:40:49,796 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) [2021-12-18 03:40:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1211 transitions. [2021-12-18 03:40:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-18 03:40:49,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:49,798 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] [2021-12-18 03:40:49,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 03:40:49,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:49,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:49,802 INFO L85 PathProgramCache]: Analyzing trace with hash -362058192, now seen corresponding path program 1 times [2021-12-18 03:40:49,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:49,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661151559] [2021-12-18 03:40:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:49,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:40:49,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:49,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661151559] [2021-12-18 03:40:49,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661151559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:49,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:49,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:49,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567151283] [2021-12-18 03:40:49,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:49,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:49,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:49,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:49,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:49,929 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) [2021-12-18 03:40:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:50,727 INFO L93 Difference]: Finished difference Result 908 states and 1289 transitions. [2021-12-18 03:40:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 03:40:50,728 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 [2021-12-18 03:40:50,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:50,732 INFO L225 Difference]: With dead ends: 908 [2021-12-18 03:40:50,732 INFO L226 Difference]: Without dead ends: 895 [2021-12-18 03:40:50,733 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 [2021-12-18 03:40:50,734 INFO L933 BasicCegarLoop]: 628 mSDtfsCounter, 627 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:50,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [677 Valid, 1002 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 03:40:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2021-12-18 03:40:50,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 848. [2021-12-18 03:40:50,773 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) [2021-12-18 03:40:50,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1210 transitions. [2021-12-18 03:40:50,775 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1210 transitions. Word has length 32 [2021-12-18 03:40:50,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:50,776 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1210 transitions. [2021-12-18 03:40:50,776 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) [2021-12-18 03:40:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1210 transitions. [2021-12-18 03:40:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-18 03:40:50,777 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:50,777 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] [2021-12-18 03:40:50,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 03:40:50,778 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:50,778 INFO L85 PathProgramCache]: Analyzing trace with hash -304799890, now seen corresponding path program 1 times [2021-12-18 03:40:50,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:50,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667500962] [2021-12-18 03:40:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:50,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:40:50,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667500962] [2021-12-18 03:40:50,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667500962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:50,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:50,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:50,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152963990] [2021-12-18 03:40:50,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:50,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:50,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:50,903 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) [2021-12-18 03:40:51,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:51,886 INFO L93 Difference]: Finished difference Result 2585 states and 3703 transitions. [2021-12-18 03:40:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 03:40:51,887 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 [2021-12-18 03:40:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:51,893 INFO L225 Difference]: With dead ends: 2585 [2021-12-18 03:40:51,894 INFO L226 Difference]: Without dead ends: 1749 [2021-12-18 03:40:51,895 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 [2021-12-18 03:40:51,896 INFO L933 BasicCegarLoop]: 685 mSDtfsCounter, 657 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1614 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:51,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 1614 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 03:40:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2021-12-18 03:40:51,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1679. [2021-12-18 03:40:51,943 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) [2021-12-18 03:40:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2402 transitions. [2021-12-18 03:40:51,948 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2402 transitions. Word has length 32 [2021-12-18 03:40:51,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:51,949 INFO L470 AbstractCegarLoop]: Abstraction has 1679 states and 2402 transitions. [2021-12-18 03:40:51,949 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) [2021-12-18 03:40:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2402 transitions. [2021-12-18 03:40:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-18 03:40:51,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:51,950 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] [2021-12-18 03:40:51,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 03:40:51,951 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:51,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:51,951 INFO L85 PathProgramCache]: Analyzing trace with hash -859075655, now seen corresponding path program 1 times [2021-12-18 03:40:51,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:51,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36546043] [2021-12-18 03:40:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:51,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:40:52,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:52,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36546043] [2021-12-18 03:40:52,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36546043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:52,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:52,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:52,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074723105] [2021-12-18 03:40:52,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:52,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:52,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:52,026 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) [2021-12-18 03:40:53,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:53,387 INFO L93 Difference]: Finished difference Result 5126 states and 7335 transitions. [2021-12-18 03:40:53,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 03:40:53,393 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 [2021-12-18 03:40:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:53,406 INFO L225 Difference]: With dead ends: 5126 [2021-12-18 03:40:53,407 INFO L226 Difference]: Without dead ends: 3459 [2021-12-18 03:40:53,412 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 [2021-12-18 03:40:53,418 INFO L933 BasicCegarLoop]: 1082 mSDtfsCounter, 639 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:53,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [690 Valid, 2253 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 03:40:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2021-12-18 03:40:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 3332. [2021-12-18 03:40:53,520 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) [2021-12-18 03:40:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4766 transitions. [2021-12-18 03:40:53,533 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4766 transitions. Word has length 33 [2021-12-18 03:40:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:53,534 INFO L470 AbstractCegarLoop]: Abstraction has 3332 states and 4766 transitions. [2021-12-18 03:40:53,534 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) [2021-12-18 03:40:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4766 transitions. [2021-12-18 03:40:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-18 03:40:53,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:53,539 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] [2021-12-18 03:40:53,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 03:40:53,540 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:53,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:53,540 INFO L85 PathProgramCache]: Analyzing trace with hash -861750319, now seen corresponding path program 1 times [2021-12-18 03:40:53,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:53,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576423301] [2021-12-18 03:40:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:53,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:40:53,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:53,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576423301] [2021-12-18 03:40:53,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576423301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:53,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:53,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:53,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809728724] [2021-12-18 03:40:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:53,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:53,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:53,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:53,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:53,693 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) [2021-12-18 03:40:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:55,042 INFO L93 Difference]: Finished difference Result 3457 states and 4938 transitions. [2021-12-18 03:40:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 03:40:55,043 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 [2021-12-18 03:40:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:55,056 INFO L225 Difference]: With dead ends: 3457 [2021-12-18 03:40:55,057 INFO L226 Difference]: Without dead ends: 3454 [2021-12-18 03:40:55,060 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 [2021-12-18 03:40:55,060 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 636 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:55,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 2254 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 03:40:55,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2021-12-18 03:40:55,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 3333. [2021-12-18 03:40:55,180 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) [2021-12-18 03:40:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 4767 transitions. [2021-12-18 03:40:55,192 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 4767 transitions. Word has length 34 [2021-12-18 03:40:55,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:55,194 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 4767 transitions. [2021-12-18 03:40:55,194 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) [2021-12-18 03:40:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 4767 transitions. [2021-12-18 03:40:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-18 03:40:55,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:55,195 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] [2021-12-18 03:40:55,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 03:40:55,196 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:55,196 INFO L85 PathProgramCache]: Analyzing trace with hash -944660036, now seen corresponding path program 1 times [2021-12-18 03:40:55,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:55,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784889255] [2021-12-18 03:40:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:55,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:40:55,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:55,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784889255] [2021-12-18 03:40:55,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784889255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:55,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:55,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:55,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393484404] [2021-12-18 03:40:55,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:55,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:55,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:55,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:55,282 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) [2021-12-18 03:40:56,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:56,060 INFO L93 Difference]: Finished difference Result 3453 states and 4934 transitions. [2021-12-18 03:40:56,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 03:40:56,060 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 [2021-12-18 03:40:56,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:56,073 INFO L225 Difference]: With dead ends: 3453 [2021-12-18 03:40:56,074 INFO L226 Difference]: Without dead ends: 3450 [2021-12-18 03:40:56,075 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 [2021-12-18 03:40:56,076 INFO L933 BasicCegarLoop]: 610 mSDtfsCounter, 606 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:56,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [654 Valid, 958 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 03:40:56,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2021-12-18 03:40:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3332. [2021-12-18 03:40:56,183 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) [2021-12-18 03:40:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4765 transitions. [2021-12-18 03:40:56,192 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4765 transitions. Word has length 35 [2021-12-18 03:40:56,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:56,192 INFO L470 AbstractCegarLoop]: Abstraction has 3332 states and 4765 transitions. [2021-12-18 03:40:56,192 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) [2021-12-18 03:40:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4765 transitions. [2021-12-18 03:40:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-18 03:40:56,193 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:56,193 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] [2021-12-18 03:40:56,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 03:40:56,193 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:56,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:56,194 INFO L85 PathProgramCache]: Analyzing trace with hash 780110900, now seen corresponding path program 1 times [2021-12-18 03:40:56,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:56,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717711400] [2021-12-18 03:40:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:56,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:40:56,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:56,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717711400] [2021-12-18 03:40:56,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717711400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:56,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:56,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 03:40:56,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485893570] [2021-12-18 03:40:56,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:56,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 03:40:56,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:56,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 03:40:56,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 03:40:56,256 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) [2021-12-18 03:40:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:56,952 INFO L93 Difference]: Finished difference Result 3452 states and 4932 transitions. [2021-12-18 03:40:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 03:40:56,953 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 [2021-12-18 03:40:56,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:56,966 INFO L225 Difference]: With dead ends: 3452 [2021-12-18 03:40:56,967 INFO L226 Difference]: Without dead ends: 3440 [2021-12-18 03:40:56,969 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 [2021-12-18 03:40:56,971 INFO L933 BasicCegarLoop]: 609 mSDtfsCounter, 603 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:56,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [651 Valid, 957 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 03:40:56,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3440 states. [2021-12-18 03:40:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3440 to 3322. [2021-12-18 03:40:57,076 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) [2021-12-18 03:40:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4751 transitions. [2021-12-18 03:40:57,084 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4751 transitions. Word has length 36 [2021-12-18 03:40:57,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:57,086 INFO L470 AbstractCegarLoop]: Abstraction has 3322 states and 4751 transitions. [2021-12-18 03:40:57,086 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) [2021-12-18 03:40:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4751 transitions. [2021-12-18 03:40:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 03:40:57,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:57,090 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] [2021-12-18 03:40:57,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 03:40:57,090 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:57,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:57,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1322798679, now seen corresponding path program 1 times [2021-12-18 03:40:57,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:57,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247560799] [2021-12-18 03:40:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:57,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 03:40:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:40:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 03:40:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:40:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 03:40:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-18 03:40:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 03:40:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 03:40:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 03:40:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-18 03:40:57,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:57,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247560799] [2021-12-18 03:40:57,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247560799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:57,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:40:57,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 03:40:57,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950825427] [2021-12-18 03:40:57,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:57,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 03:40:57,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:57,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 03:40:57,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-18 03:40:57,253 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) [2021-12-18 03:40:58,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:58,404 INFO L93 Difference]: Finished difference Result 6878 states and 9833 transitions. [2021-12-18 03:40:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 03:40:58,405 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 [2021-12-18 03:40:58,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:58,417 INFO L225 Difference]: With dead ends: 6878 [2021-12-18 03:40:58,418 INFO L226 Difference]: Without dead ends: 3568 [2021-12-18 03:40:58,425 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 [2021-12-18 03:40:58,426 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 104 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:58,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 2335 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 03:40:58,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3568 states. [2021-12-18 03:40:58,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3568 to 3426. [2021-12-18 03:40:58,506 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) [2021-12-18 03:40:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4897 transitions. [2021-12-18 03:40:58,514 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4897 transitions. Word has length 103 [2021-12-18 03:40:58,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:58,515 INFO L470 AbstractCegarLoop]: Abstraction has 3426 states and 4897 transitions. [2021-12-18 03:40:58,515 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) [2021-12-18 03:40:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4897 transitions. [2021-12-18 03:40:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 03:40:58,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:58,517 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] [2021-12-18 03:40:58,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 03:40:58,517 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:40:58,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:40:58,518 INFO L85 PathProgramCache]: Analyzing trace with hash -818637723, now seen corresponding path program 1 times [2021-12-18 03:40:58,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:40:58,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781104197] [2021-12-18 03:40:58,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:58,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:40:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:40:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:40:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 03:40:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:40:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 03:40:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:40:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 03:40:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 03:40:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 03:40:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 03:40:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-18 03:40:58,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:40:58,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781104197] [2021-12-18 03:40:58,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781104197] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 03:40:58,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744789831] [2021-12-18 03:40:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:40:58,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 03:40:58,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:40:58,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 03:40:58,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 03:40:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:40:59,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 2271 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 03:40:59,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:40:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-18 03:40:59,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:40:59,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744789831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:40:59,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 03:40:59,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-12-18 03:40:59,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178546619] [2021-12-18 03:40:59,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:40:59,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 03:40:59,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:40:59,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 03:40:59,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 03:40:59,330 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) [2021-12-18 03:40:59,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:40:59,623 INFO L93 Difference]: Finished difference Result 10422 states and 14889 transitions. [2021-12-18 03:40:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 03:40:59,624 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 [2021-12-18 03:40:59,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:40:59,662 INFO L225 Difference]: With dead ends: 10422 [2021-12-18 03:40:59,662 INFO L226 Difference]: Without dead ends: 7012 [2021-12-18 03:40:59,671 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 [2021-12-18 03:40:59,673 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, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 03:40:59,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [722 Valid, 4149 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 03:40:59,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7012 states. [2021-12-18 03:40:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7012 to 3522. [2021-12-18 03:40:59,838 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) [2021-12-18 03:40:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3522 states and 5021 transitions. [2021-12-18 03:40:59,847 INFO L78 Accepts]: Start accepts. Automaton has 3522 states and 5021 transitions. Word has length 112 [2021-12-18 03:40:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:40:59,848 INFO L470 AbstractCegarLoop]: Abstraction has 3522 states and 5021 transitions. [2021-12-18 03:40:59,848 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) [2021-12-18 03:40:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 5021 transitions. [2021-12-18 03:40:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 03:40:59,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:40:59,854 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] [2021-12-18 03:40:59,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 03:41:00,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 03:41:00,068 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:00,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:00,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2098501401, now seen corresponding path program 1 times [2021-12-18 03:41:00,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:41:00,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244495348] [2021-12-18 03:41:00,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:00,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:41:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:41:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:41:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 03:41:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:41:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 03:41:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:41:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 03:41:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 03:41:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 03:41:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 03:41:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-18 03:41:00,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:41:00,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244495348] [2021-12-18 03:41:00,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244495348] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 03:41:00,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082146358] [2021-12-18 03:41:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:00,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 03:41:00,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:41:00,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 03:41:00,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 03:41:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:00,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-18 03:41:00,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-18 03:41:01,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 03:41:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-18 03:41:01,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082146358] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 03:41:01,718 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 03:41:01,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 29 [2021-12-18 03:41:01,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966693293] [2021-12-18 03:41:01,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 03:41:01,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-18 03:41:01,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:41:01,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-18 03:41:01,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2021-12-18 03:41:01,719 INFO L87 Difference]: Start difference. First operand 3522 states and 5021 transitions. Second operand has 29 states, 29 states have (on average 5.137931034482759) internal successors, (149), 20 states have internal predecessors, (149), 6 states have call successors, (27), 6 states have call predecessors, (27), 9 states have return successors, (24), 12 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-18 03:41:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:06,737 INFO L93 Difference]: Finished difference Result 10386 states and 14866 transitions. [2021-12-18 03:41:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-18 03:41:06,738 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.137931034482759) internal successors, (149), 20 states have internal predecessors, (149), 6 states have call successors, (27), 6 states have call predecessors, (27), 9 states have return successors, (24), 12 states have call predecessors, (24), 6 states have call successors, (24) Word has length 112 [2021-12-18 03:41:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:06,755 INFO L225 Difference]: With dead ends: 10386 [2021-12-18 03:41:06,755 INFO L226 Difference]: Without dead ends: 6880 [2021-12-18 03:41:06,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=457, Invalid=3449, Unknown=0, NotChecked=0, Total=3906 [2021-12-18 03:41:06,762 INFO L933 BasicCegarLoop]: 1880 mSDtfsCounter, 4409 mSDsluCounter, 26677 mSDsCounter, 0 mSdLazyCounter, 6244 mSolverCounterSat, 1430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4558 SdHoareTripleChecker+Valid, 28557 SdHoareTripleChecker+Invalid, 7674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1430 IncrementalHoareTripleChecker+Valid, 6244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:06,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4558 Valid, 28557 Invalid, 7674 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1430 Valid, 6244 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 03:41:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6880 states. [2021-12-18 03:41:06,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6880 to 5409. [2021-12-18 03:41:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5409 states, 4221 states have (on average 1.3432835820895523) internal successors, (5670), 4231 states have internal predecessors, (5670), 969 states have call successors, (969), 189 states have call predecessors, (969), 218 states have return successors, (1100), 994 states have call predecessors, (1100), 966 states have call successors, (1100) [2021-12-18 03:41:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5409 states to 5409 states and 7739 transitions. [2021-12-18 03:41:06,953 INFO L78 Accepts]: Start accepts. Automaton has 5409 states and 7739 transitions. Word has length 112 [2021-12-18 03:41:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:06,953 INFO L470 AbstractCegarLoop]: Abstraction has 5409 states and 7739 transitions. [2021-12-18 03:41:06,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.137931034482759) internal successors, (149), 20 states have internal predecessors, (149), 6 states have call successors, (27), 6 states have call predecessors, (27), 9 states have return successors, (24), 12 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-18 03:41:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5409 states and 7739 transitions. [2021-12-18 03:41:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-18 03:41:06,956 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:06,956 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] [2021-12-18 03:41:06,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:07,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-18 03:41:07,179 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:07,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2027575463, now seen corresponding path program 1 times [2021-12-18 03:41:07,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:41:07,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349958203] [2021-12-18 03:41:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:07,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:41:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:41:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 03:41:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 03:41:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:41:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:41:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 03:41:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 03:41:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 03:41:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 03:41:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 03:41:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 03:41:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 03:41:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-18 03:41:07,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 03:41:07,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349958203] [2021-12-18 03:41:07,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349958203] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 03:41:07,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381207996] [2021-12-18 03:41:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:07,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 03:41:07,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:41:07,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 03:41:07,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 03:41:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:07,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 2318 conjuncts, 58 conjunts are in the unsatisfiable core [2021-12-18 03:41:07,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-18 03:41:08,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 03:41:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-18 03:41:08,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381207996] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 03:41:08,764 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 03:41:08,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 24 [2021-12-18 03:41:08,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567530156] [2021-12-18 03:41:08,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 03:41:08,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 03:41:08,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 03:41:08,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 03:41:08,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2021-12-18 03:41:08,767 INFO L87 Difference]: Start difference. First operand 5409 states and 7739 transitions. Second operand has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 18 states have internal predecessors, (190), 6 states have call successors, (30), 6 states have call predecessors, (30), 5 states have return successors, (24), 9 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-18 03:41:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:13,856 INFO L93 Difference]: Finished difference Result 12884 states and 18333 transitions. [2021-12-18 03:41:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-18 03:41:13,856 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 18 states have internal predecessors, (190), 6 states have call successors, (30), 6 states have call predecessors, (30), 5 states have return successors, (24), 9 states have call predecessors, (24), 6 states have call successors, (24) Word has length 124 [2021-12-18 03:41:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:13,874 INFO L225 Difference]: With dead ends: 12884 [2021-12-18 03:41:13,875 INFO L226 Difference]: Without dead ends: 7367 [2021-12-18 03:41:13,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=1362, Unknown=0, NotChecked=0, Total=1560 [2021-12-18 03:41:13,887 INFO L933 BasicCegarLoop]: 1737 mSDtfsCounter, 3875 mSDsluCounter, 15452 mSDsCounter, 0 mSdLazyCounter, 6605 mSolverCounterSat, 1150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4087 SdHoareTripleChecker+Valid, 17189 SdHoareTripleChecker+Invalid, 7755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 6605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:13,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4087 Valid, 17189 Invalid, 7755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 6605 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-18 03:41:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7367 states. [2021-12-18 03:41:14,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7367 to 7196. [2021-12-18 03:41:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7196 states, 5616 states have (on average 1.3429487179487178) internal successors, (7542), 5630 states have internal predecessors, (7542), 1289 states have call successors, (1289), 251 states have call predecessors, (1289), 290 states have return successors, (1450), 1322 states have call predecessors, (1450), 1286 states have call successors, (1450) [2021-12-18 03:41:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7196 states to 7196 states and 10281 transitions. [2021-12-18 03:41:14,180 INFO L78 Accepts]: Start accepts. Automaton has 7196 states and 10281 transitions. Word has length 124 [2021-12-18 03:41:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:14,180 INFO L470 AbstractCegarLoop]: Abstraction has 7196 states and 10281 transitions. [2021-12-18 03:41:14,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.916666666666667) internal successors, (190), 18 states have internal predecessors, (190), 6 states have call successors, (30), 6 states have call predecessors, (30), 5 states have return successors, (24), 9 states have call predecessors, (24), 6 states have call successors, (24) [2021-12-18 03:41:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 7196 states and 10281 transitions. [2021-12-18 03:41:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-18 03:41:14,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:14,182 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] [2021-12-18 03:41:14,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:14,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 03:41:14,387 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:14,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:14,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1972520605, now seen corresponding path program 2 times [2021-12-18 03:41:14,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 03:41:14,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529550807] [2021-12-18 03:41:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:14,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 03:41:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:41:14,521 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 03:41:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:41:14,717 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 03:41:14,717 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 03:41:14,718 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 03:41:14,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 03:41:14,721 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:41:14,723 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 03:41:14,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:41:14 BoogieIcfgContainer [2021-12-18 03:41:14,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 03:41:14,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 03:41:14,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 03:41:14,863 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 03:41:14,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:40:47" (3/4) ... [2021-12-18 03:41:14,865 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 03:41:14,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 03:41:14,865 INFO L158 Benchmark]: Toolchain (without parser) took 30203.76ms. Allocated memory was 100.7MB in the beginning and 528.5MB in the end (delta: 427.8MB). Free memory was 66.2MB in the beginning and 271.1MB in the end (delta: -204.8MB). Peak memory consumption was 222.4MB. Max. memory is 16.1GB. [2021-12-18 03:41:14,866 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 03:41:14,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.43ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.0MB in the beginning and 77.6MB in the end (delta: -11.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-12-18 03:41:14,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.68ms. Allocated memory is still 125.8MB. Free memory was 77.6MB in the beginning and 64.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-18 03:41:14,866 INFO L158 Benchmark]: Boogie Preprocessor took 121.31ms. Allocated memory is still 125.8MB. Free memory was 64.4MB in the beginning and 53.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 03:41:14,867 INFO L158 Benchmark]: RCFGBuilder took 1675.79ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 53.3MB in the beginning and 94.7MB in the end (delta: -41.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-12-18 03:41:14,867 INFO L158 Benchmark]: TraceAbstraction took 27303.93ms. Allocated memory was 184.5MB in the beginning and 528.5MB in the end (delta: 343.9MB). Free memory was 94.7MB in the beginning and 271.1MB in the end (delta: -176.4MB). Peak memory consumption was 168.6MB. Max. memory is 16.1GB. [2021-12-18 03:41:14,867 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 528.5MB. Free memory is still 271.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 03:41:14,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.43ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.0MB in the beginning and 77.6MB in the end (delta: -11.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.68ms. Allocated memory is still 125.8MB. Free memory was 77.6MB in the beginning and 64.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.31ms. Allocated memory is still 125.8MB. Free memory was 64.4MB in the beginning and 53.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1675.79ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 53.3MB in the beginning and 94.7MB in the end (delta: -41.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27303.93ms. Allocated memory was 184.5MB in the beginning and 528.5MB in the end (delta: 343.9MB). Free memory was 94.7MB in the beginning and 271.1MB in the end (delta: -176.4MB). Peak memory consumption was 168.6MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 528.5MB. Free memory is still 271.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, ldv_func_arg2={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={177:0}, descriptor___0={176:0}, descriptor___1={173:0}, descriptor___2={170:0}, descriptor___3={171:0}, descriptor___4={168:0}, descriptor___5={169:0}, descriptor___6={175:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={174:0}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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=152, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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=152, 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)=152, \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={4105:4104}, 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=152, 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)=152, \old(t)=4103, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4105:4104}, 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=152, t=4103, 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)=4103, \old(size)=152, \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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=4103, 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={-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)=208, \old(size)=152, \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={4105:4104}, 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={-18446744073709551617:0}, 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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={177:0}, descriptor___0={176:0}, descriptor___1={173:0}, descriptor___2={170:0}, descriptor___3={171:0}, descriptor___4={168:0}, descriptor___5={169:0}, descriptor___6={175:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={174:0}, id={0:0}, id={0:0}, INTERF_STATE=0, kzalloc(152UL, 208U)={-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, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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=2144, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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=2144, 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)=2144, \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={4105:4104}, 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=2144, 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)=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={4105:4104}, 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=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={-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={4105:4104}, 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={-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)=4101, \old(size)=2144, \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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=4101, 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={-18446744073709551615:0}, 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={4105:4104}, 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)={-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, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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=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={4105:4104}, 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=1, 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={4105:4104}, 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()=1, 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={4105:4104}, 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=1, 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={4105:4104}, 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=1, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, arg0={-36893488147419103233:0}, arg0={-36893488147419103233:0}, arg1=10, arg2=208, arg3={-18446744073709551617:32}, arg3={-18446744073709551617:32}, 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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={177:0}, descriptor___0={176:0}, descriptor___1={173:0}, descriptor___2={170:0}, descriptor___3={171:0}, descriptor___4={168:0}, descriptor___5={169:0}, descriptor___6={175:0}, dev_counter=1, gtco={-18446744073709551617:0}, gtco->buffer={0:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={174:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551615:0}, 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={-18446744073709551617:0}, 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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={177:0}, descriptor___0={176:0}, descriptor___1={173:0}, descriptor___2={170:0}, descriptor___3={171:0}, descriptor___4={168:0}, descriptor___5={169:0}, descriptor___6={175:0}, dev_counter=1, error=-12, gtco={-18446744073709551617:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={174:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551615:0}, 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={-18446744073709551617:0}, 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={4105:4104}, 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={-18446744073709551617:0}, 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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={177:0}, descriptor___0={176:0}, descriptor___1={173:0}, descriptor___2={170:0}, descriptor___3={171:0}, descriptor___4={168:0}, descriptor___5={169:0}, descriptor___6={175:0}, dev_counter=1, error=-12, gtco={-18446744073709551617:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={174:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551615:0}, 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={-18446744073709551617:0}, 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={4105:4104}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, error=-12, gtco={-18446744073709551617:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551615:0}, 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={-18446744073709551617:0}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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={4105:4104}, 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: 27.1s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14229 SdHoareTripleChecker+Valid, 16.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13513 mSDsluCounter, 63621 SdHoareTripleChecker+Invalid, 14.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52335 mSDsCounter, 3550 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15202 IncrementalHoareTripleChecker+Invalid, 18752 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3550 mSolverCounterUnsat, 11286 mSDtfsCounter, 15202 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 812 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7196occurred in iteration=11, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5909 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1153 NumberOfCodeBlocks, 1153 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 3902 SizeOfPredicates, 38 NumberOfNonLiveVariables, 6855 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 [2021-12-18 03:41:14,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 03:41:16,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 03:41:16,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 03:41:16,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 03:41:16,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 03:41:16,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 03:41:16,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 03:41:16,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 03:41:16,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 03:41:16,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 03:41:16,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 03:41:16,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 03:41:16,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 03:41:16,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 03:41:16,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 03:41:16,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 03:41:16,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 03:41:16,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 03:41:16,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 03:41:16,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 03:41:16,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 03:41:16,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 03:41:16,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 03:41:16,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 03:41:16,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 03:41:16,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 03:41:16,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 03:41:16,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 03:41:16,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 03:41:16,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 03:41:16,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 03:41:16,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 03:41:16,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 03:41:16,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 03:41:16,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 03:41:16,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 03:41:16,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 03:41:16,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 03:41:16,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 03:41:16,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 03:41:16,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 03:41:16,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 03:41:16,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 03:41:16,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 03:41:16,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 03:41:16,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 03:41:16,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 03:41:16,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 03:41:16,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 03:41:16,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 03:41:16,650 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 03:41:16,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 03:41:16,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 03:41:16,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 03:41:16,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 03:41:16,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 03:41:16,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 03:41:16,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 03:41:16,652 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 03:41:16,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 03:41:16,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 03:41:16,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 03:41:16,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 03:41:16,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 03:41:16,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 03:41:16,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:41:16,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 03:41:16,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 03:41:16,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 03:41:16,660 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 03:41:16,660 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 03:41:16,661 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 03:41:16,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 03:41:16,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 03:41:16,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 03:41:16,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 03:41:16,662 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 [2021-12-18 03:41:16,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 03:41:16,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 03:41:16,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 03:41:16,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 03:41:16,941 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 03:41:16,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-12-18 03:41:16,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf91e4c/dd2e9b6bddeb43f6ba4f826f5b207b5f/FLAG34e0c42f4 [2021-12-18 03:41:17,417 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 03:41:17,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-18 03:41:17,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf91e4c/dd2e9b6bddeb43f6ba4f826f5b207b5f/FLAG34e0c42f4 [2021-12-18 03:41:17,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf91e4c/dd2e9b6bddeb43f6ba4f826f5b207b5f [2021-12-18 03:41:17,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 03:41:17,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 03:41:17,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 03:41:17,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 03:41:17,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 03:41:17,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:41:17" (1/1) ... [2021-12-18 03:41:17,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c04f835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:17, skipping insertion in model container [2021-12-18 03:41:17,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:41:17" (1/1) ... [2021-12-18 03:41:17,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 03:41:17,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 03:41:18,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-18 03:41:18,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:41:18,395 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 03:41:18,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 03:41:18,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-18 03:41:18,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:41:18,609 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 03:41:18,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-12-18 03:41:18,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 03:41:18,827 INFO L208 MainTranslator]: Completed translation [2021-12-18 03:41:18,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18 WrapperNode [2021-12-18 03:41:18,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 03:41:18,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 03:41:18,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 03:41:18,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 03:41:18,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:18,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:18,975 INFO L137 Inliner]: procedures = 126, calls = 1187, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2112 [2021-12-18 03:41:18,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 03:41:18,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 03:41:18,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 03:41:18,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 03:41:18,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:18,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 03:41:19,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 03:41:19,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 03:41:19,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 03:41:19,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (1/1) ... [2021-12-18 03:41:19,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 03:41:19,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 03:41:19,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 03:41:19,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 03:41:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 03:41:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 03:41:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 03:41:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 03:41:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 03:41:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 03:41:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 03:41:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 03:41:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 03:41:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 03:41:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 03:41:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 03:41:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 03:41:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 03:41:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 03:41:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 03:41:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 03:41:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 03:41:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 03:41:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 03:41:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 03:41:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 03:41:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 03:41:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 03:41:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-18 03:41:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-18 03:41:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2021-12-18 03:41:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2021-12-18 03:41:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 03:41:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 03:41:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 03:41:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 03:41:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 03:41:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 03:41:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 03:41:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-18 03:41:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-18 03:41:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 03:41:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 03:41:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-12-18 03:41:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-12-18 03:41:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 03:41:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-18 03:41:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 03:41:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 03:41:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 03:41:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 03:41:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 03:41:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-18 03:41:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-18 03:41:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 03:41:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 03:41:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 03:41:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 03:41:19,399 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 03:41:19,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 03:41:19,515 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 03:41:19,565 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-12-18 03:41:30,608 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 03:41:30,620 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 03:41:30,620 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 03:41:30,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:41:30 BoogieIcfgContainer [2021-12-18 03:41:30,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 03:41:30,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 03:41:30,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 03:41:30,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 03:41:30,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:41:17" (1/3) ... [2021-12-18 03:41:30,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea6bf41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:41:30, skipping insertion in model container [2021-12-18 03:41:30,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:41:18" (2/3) ... [2021-12-18 03:41:30,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea6bf41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:41:30, skipping insertion in model container [2021-12-18 03:41:30,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:41:30" (3/3) ... [2021-12-18 03:41:30,629 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2021-12-18 03:41:30,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 03:41:30,633 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 03:41:30,667 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 03:41:30,671 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 [2021-12-18 03:41:30,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 03:41:30,687 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) [2021-12-18 03:41:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-18 03:41:30,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:30,691 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] [2021-12-18 03:41:30,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:30,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:30,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1034947126, now seen corresponding path program 1 times [2021-12-18 03:41:30,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:30,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800599597] [2021-12-18 03:41:30,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:30,705 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:30,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:30,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:30,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 03:41:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:31,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:41:31,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 03:41:31,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:31,185 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:31,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800599597] [2021-12-18 03:41:31,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [800599597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:31,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:31,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:41:31,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350884913] [2021-12-18 03:41:31,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:31,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:31,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:31,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:31,211 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 3 states, 3 states have (on average 6.333333333333333) 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) [2021-12-18 03:41:31,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:31,428 INFO L93 Difference]: Finished difference Result 1311 states and 1961 transitions. [2021-12-18 03:41:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:31,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (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 [2021-12-18 03:41:31,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:31,453 INFO L225 Difference]: With dead ends: 1311 [2021-12-18 03:41:31,453 INFO L226 Difference]: Without dead ends: 848 [2021-12-18 03:41:31,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:31,467 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 599 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:31,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [599 Valid, 1343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 03:41:31,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-12-18 03:41:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-12-18 03:41:31,571 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) [2021-12-18 03:41:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1211 transitions. [2021-12-18 03:41:31,581 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1211 transitions. Word has length 22 [2021-12-18 03:41:31,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:31,582 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1211 transitions. [2021-12-18 03:41:31,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (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) [2021-12-18 03:41:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1211 transitions. [2021-12-18 03:41:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-18 03:41:31,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:31,585 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] [2021-12-18 03:41:31,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:31,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:31,796 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:31,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:31,796 INFO L85 PathProgramCache]: Analyzing trace with hash -362058192, now seen corresponding path program 1 times [2021-12-18 03:41:31,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:31,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595812117] [2021-12-18 03:41:31,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:31,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:31,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:31,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:31,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 03:41:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:32,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:41:32,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:41:32,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:32,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:32,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595812117] [2021-12-18 03:41:32,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595812117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:32,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:32,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:41:32,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645089154] [2021-12-18 03:41:32,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:32,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:32,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:32,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:32,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:32,193 INFO L87 Difference]: Start difference. First operand 848 states and 1211 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) [2021-12-18 03:41:32,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:32,284 INFO L93 Difference]: Finished difference Result 874 states and 1243 transitions. [2021-12-18 03:41:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:32,285 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 [2021-12-18 03:41:32,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:32,292 INFO L225 Difference]: With dead ends: 874 [2021-12-18 03:41:32,292 INFO L226 Difference]: Without dead ends: 861 [2021-12-18 03:41:32,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:32,294 INFO L933 BasicCegarLoop]: 639 mSDtfsCounter, 619 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2021-12-18 03:41:32,294 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] [2021-12-18 03:41:32,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-12-18 03:41:32,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 848. [2021-12-18 03:41:32,331 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) [2021-12-18 03:41:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1210 transitions. [2021-12-18 03:41:32,335 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1210 transitions. Word has length 32 [2021-12-18 03:41:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:32,335 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1210 transitions. [2021-12-18 03:41:32,336 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) [2021-12-18 03:41:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1210 transitions. [2021-12-18 03:41:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-18 03:41:32,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:32,340 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] [2021-12-18 03:41:32,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:32,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:32,551 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:32,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:32,552 INFO L85 PathProgramCache]: Analyzing trace with hash -304799890, now seen corresponding path program 1 times [2021-12-18 03:41:32,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:32,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682398383] [2021-12-18 03:41:32,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:32,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:32,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:32,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 03:41:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:32,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 03:41:32,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:41:33,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:33,143 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:33,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682398383] [2021-12-18 03:41:33,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682398383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:33,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:33,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 03:41:33,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610792956] [2021-12-18 03:41:33,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:33,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:33,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:33,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:33,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:33,146 INFO L87 Difference]: Start difference. First operand 848 states and 1210 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2021-12-18 03:41:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:33,241 INFO L93 Difference]: Finished difference Result 2519 states and 3613 transitions. [2021-12-18 03:41:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:33,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 [2021-12-18 03:41:33,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:33,249 INFO L225 Difference]: With dead ends: 2519 [2021-12-18 03:41:33,250 INFO L226 Difference]: Without dead ends: 1683 [2021-12-18 03:41:33,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:33,253 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 597 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:33,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 1310 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 03:41:33,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2021-12-18 03:41:33,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1673. [2021-12-18 03:41:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1294 states have (on average 1.3639876352395672) internal successors, (1765), 1302 states have internal predecessors, (1765), 315 states have call successors, (315), 64 states have call predecessors, (315), 63 states have return successors, (316), 310 states have call predecessors, (316), 310 states have call successors, (316) [2021-12-18 03:41:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2396 transitions. [2021-12-18 03:41:33,338 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2396 transitions. Word has length 32 [2021-12-18 03:41:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:33,338 INFO L470 AbstractCegarLoop]: Abstraction has 1673 states and 2396 transitions. [2021-12-18 03:41:33,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2021-12-18 03:41:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2396 transitions. [2021-12-18 03:41:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-18 03:41:33,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:33,340 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] [2021-12-18 03:41:33,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:33,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:33,551 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:33,552 INFO L85 PathProgramCache]: Analyzing trace with hash -859075655, now seen corresponding path program 1 times [2021-12-18 03:41:33,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:33,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954059279] [2021-12-18 03:41:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:33,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:33,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:33,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 03:41:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:33,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 03:41:33,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:41:34,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:34,099 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:34,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954059279] [2021-12-18 03:41:34,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954059279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:34,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:34,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 03:41:34,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788268470] [2021-12-18 03:41:34,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:34,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:34,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:34,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:34,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:34,100 INFO L87 Difference]: Start difference. First operand 1673 states and 2396 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 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) [2021-12-18 03:41:34,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:34,213 INFO L93 Difference]: Finished difference Result 4990 states and 7151 transitions. [2021-12-18 03:41:34,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:34,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 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 [2021-12-18 03:41:34,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:34,226 INFO L225 Difference]: With dead ends: 4990 [2021-12-18 03:41:34,227 INFO L226 Difference]: Without dead ends: 3329 [2021-12-18 03:41:34,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:34,252 INFO L933 BasicCegarLoop]: 1099 mSDtfsCounter, 591 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:34,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 1709 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 03:41:34,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2021-12-18 03:41:34,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 3320. [2021-12-18 03:41:34,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 2571 states have (on average 1.3617269544924153) internal successors, (3501), 2583 states have internal predecessors, (3501), 623 states have call successors, (623), 126 states have call predecessors, (623), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2021-12-18 03:41:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4754 transitions. [2021-12-18 03:41:34,358 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4754 transitions. Word has length 33 [2021-12-18 03:41:34,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:34,358 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4754 transitions. [2021-12-18 03:41:34,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 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) [2021-12-18 03:41:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4754 transitions. [2021-12-18 03:41:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-18 03:41:34,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:34,359 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] [2021-12-18 03:41:34,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:34,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:34,576 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -861750319, now seen corresponding path program 1 times [2021-12-18 03:41:34,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:34,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087143275] [2021-12-18 03:41:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:34,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:34,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:34,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:34,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 03:41:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:34,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:41:34,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:41:34,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:34,967 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:34,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087143275] [2021-12-18 03:41:34,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087143275] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:34,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:34,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 03:41:34,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799211713] [2021-12-18 03:41:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:34,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:34,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:34,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:34,968 INFO L87 Difference]: Start difference. First operand 3320 states and 4754 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-12-18 03:41:35,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:35,067 INFO L93 Difference]: Finished difference Result 3327 states and 4760 transitions. [2021-12-18 03:41:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 [2021-12-18 03:41:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:35,081 INFO L225 Difference]: With dead ends: 3327 [2021-12-18 03:41:35,082 INFO L226 Difference]: Without dead ends: 3324 [2021-12-18 03:41:35,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:35,085 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 [2021-12-18 03:41:35,085 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] [2021-12-18 03:41:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2021-12-18 03:41:35,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3321. [2021-12-18 03:41:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3321 states, 2572 states have (on average 1.3615863141524105) internal successors, (3502), 2584 states have internal predecessors, (3502), 623 states have call successors, (623), 126 states have call predecessors, (623), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2021-12-18 03:41:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 3321 states and 4755 transitions. [2021-12-18 03:41:35,218 INFO L78 Accepts]: Start accepts. Automaton has 3321 states and 4755 transitions. Word has length 34 [2021-12-18 03:41:35,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:35,219 INFO L470 AbstractCegarLoop]: Abstraction has 3321 states and 4755 transitions. [2021-12-18 03:41:35,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-12-18 03:41:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 4755 transitions. [2021-12-18 03:41:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-18 03:41:35,220 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:35,220 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] [2021-12-18 03:41:35,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:35,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:35,432 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:35,433 INFO L85 PathProgramCache]: Analyzing trace with hash -944660036, now seen corresponding path program 1 times [2021-12-18 03:41:35,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:35,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013867483] [2021-12-18 03:41:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:35,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:35,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:35,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:35,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 03:41:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:35,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:41:35,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:41:35,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:35,835 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:35,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013867483] [2021-12-18 03:41:35,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013867483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:35,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:35,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 03:41:35,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008217425] [2021-12-18 03:41:35,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:35,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:35,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:35,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:35,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:35,836 INFO L87 Difference]: Start difference. First operand 3321 states and 4755 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-12-18 03:41:35,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:35,905 INFO L93 Difference]: Finished difference Result 3323 states and 4756 transitions. [2021-12-18 03:41:35,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:35,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 [2021-12-18 03:41:35,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:35,920 INFO L225 Difference]: With dead ends: 3323 [2021-12-18 03:41:35,921 INFO L226 Difference]: Without dead ends: 3320 [2021-12-18 03:41:35,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:35,923 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 [2021-12-18 03:41:35,923 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] [2021-12-18 03:41:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3320 states. [2021-12-18 03:41:36,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3320 to 3320. [2021-12-18 03:41:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 2572 states have (on average 1.3611975116640747) internal successors, (3501), 2583 states have internal predecessors, (3501), 622 states have call successors, (622), 126 states have call predecessors, (622), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2021-12-18 03:41:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4753 transitions. [2021-12-18 03:41:36,055 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4753 transitions. Word has length 35 [2021-12-18 03:41:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:36,055 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4753 transitions. [2021-12-18 03:41:36,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-12-18 03:41:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4753 transitions. [2021-12-18 03:41:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-18 03:41:36,056 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:36,056 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] [2021-12-18 03:41:36,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-18 03:41:36,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:36,269 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:36,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:36,270 INFO L85 PathProgramCache]: Analyzing trace with hash 780110900, now seen corresponding path program 1 times [2021-12-18 03:41:36,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:36,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561814850] [2021-12-18 03:41:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:36,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:36,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:36,272 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:36,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 03:41:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:36,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:41:36,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 03:41:36,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:36,709 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:36,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561814850] [2021-12-18 03:41:36,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561814850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:36,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:36,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 03:41:36,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363203784] [2021-12-18 03:41:36,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:36,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:36,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:36,711 INFO L87 Difference]: Start difference. First operand 3320 states and 4753 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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) [2021-12-18 03:41:36,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:36,788 INFO L93 Difference]: Finished difference Result 3322 states and 4754 transitions. [2021-12-18 03:41:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:36,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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 [2021-12-18 03:41:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:36,801 INFO L225 Difference]: With dead ends: 3322 [2021-12-18 03:41:36,801 INFO L226 Difference]: Without dead ends: 3310 [2021-12-18 03:41:36,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:36,805 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 [2021-12-18 03:41:36,805 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] [2021-12-18 03:41:36,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2021-12-18 03:41:36,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3310. [2021-12-18 03:41:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 2563 states have (on average 1.3609051892313695) internal successors, (3488), 2573 states have internal predecessors, (3488), 621 states have call successors, (621), 126 states have call predecessors, (621), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2021-12-18 03:41:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 4739 transitions. [2021-12-18 03:41:36,927 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 4739 transitions. Word has length 36 [2021-12-18 03:41:36,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:36,927 INFO L470 AbstractCegarLoop]: Abstraction has 3310 states and 4739 transitions. [2021-12-18 03:41:36,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 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) [2021-12-18 03:41:36,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 4739 transitions. [2021-12-18 03:41:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 03:41:36,930 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:36,930 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] [2021-12-18 03:41:36,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:37,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:37,143 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:37,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1322798679, now seen corresponding path program 1 times [2021-12-18 03:41:37,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:37,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711479575] [2021-12-18 03:41:37,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:37,146 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:37,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:37,147 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:37,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 03:41:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:37,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 03:41:37,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-18 03:41:37,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:37,796 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:37,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711479575] [2021-12-18 03:41:37,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711479575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:37,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:37,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 03:41:37,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251015388] [2021-12-18 03:41:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:37,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 03:41:37,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:37,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 03:41:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:37,798 INFO L87 Difference]: Start difference. First operand 3310 states and 4739 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 03:41:38,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:38,034 INFO L93 Difference]: Finished difference Result 6736 states and 9643 transitions. [2021-12-18 03:41:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 03:41:38,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2021-12-18 03:41:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:38,048 INFO L225 Difference]: With dead ends: 6736 [2021-12-18 03:41:38,048 INFO L226 Difference]: Without dead ends: 3438 [2021-12-18 03:41:38,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 03:41:38,056 INFO L933 BasicCegarLoop]: 622 mSDtfsCounter, 45 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:38,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 1222 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 03:41:38,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2021-12-18 03:41:38,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3414. [2021-12-18 03:41:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3414 states, 2666 states have (on average 1.3630907726931734) internal successors, (3634), 2676 states have internal predecessors, (3634), 621 states have call successors, (621), 127 states have call predecessors, (621), 126 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2021-12-18 03:41:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3414 states and 4885 transitions. [2021-12-18 03:41:38,175 INFO L78 Accepts]: Start accepts. Automaton has 3414 states and 4885 transitions. Word has length 103 [2021-12-18 03:41:38,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:38,177 INFO L470 AbstractCegarLoop]: Abstraction has 3414 states and 4885 transitions. [2021-12-18 03:41:38,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 03:41:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 4885 transitions. [2021-12-18 03:41:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 03:41:38,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:38,180 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] [2021-12-18 03:41:38,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:38,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:38,396 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:38,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:38,396 INFO L85 PathProgramCache]: Analyzing trace with hash -818637723, now seen corresponding path program 1 times [2021-12-18 03:41:38,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:38,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454033014] [2021-12-18 03:41:38,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:38,397 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:38,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:38,398 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:38,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 03:41:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:39,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 03:41:39,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-18 03:41:39,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:39,300 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:39,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454033014] [2021-12-18 03:41:39,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454033014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:39,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:39,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 03:41:39,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378380556] [2021-12-18 03:41:39,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:39,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 03:41:39,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:39,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 03:41:39,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 03:41:39,301 INFO L87 Difference]: Start difference. First operand 3414 states and 4885 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) [2021-12-18 03:41:41,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 03:41:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:41,337 INFO L93 Difference]: Finished difference Result 7280 states and 10460 transitions. [2021-12-18 03:41:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 03:41:41,338 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 [2021-12-18 03:41:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:41,371 INFO L225 Difference]: With dead ends: 7280 [2021-12-18 03:41:41,371 INFO L226 Difference]: Without dead ends: 3882 [2021-12-18 03:41:41,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-18 03:41:41,378 INFO L933 BasicCegarLoop]: 685 mSDtfsCounter, 119 mSDsluCounter, 5340 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 6025 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:41,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 6025 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-18 03:41:41,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2021-12-18 03:41:41,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3494. [2021-12-18 03:41:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 2730 states have (on average 1.3545787545787547) internal successors, (3698), 2740 states have internal predecessors, (3698), 621 states have call successors, (621), 127 states have call predecessors, (621), 142 states have return successors, (694), 634 states have call predecessors, (694), 618 states have call successors, (694) [2021-12-18 03:41:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 5013 transitions. [2021-12-18 03:41:41,499 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 5013 transitions. Word has length 112 [2021-12-18 03:41:41,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:41,499 INFO L470 AbstractCegarLoop]: Abstraction has 3494 states and 5013 transitions. [2021-12-18 03:41:41,499 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) [2021-12-18 03:41:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 5013 transitions. [2021-12-18 03:41:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 03:41:41,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:41,505 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] [2021-12-18 03:41:41,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-18 03:41:41,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:41,720 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:41,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1266039471, now seen corresponding path program 1 times [2021-12-18 03:41:41,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:41,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366064659] [2021-12-18 03:41:41,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:41,721 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:41,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:41,723 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:41,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 03:41:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 03:41:42,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 03:41:42,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-18 03:41:42,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 03:41:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-18 03:41:43,145 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:43,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366064659] [2021-12-18 03:41:43,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366064659] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 03:41:43,145 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 03:41:43,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-18 03:41:43,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718737037] [2021-12-18 03:41:43,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 03:41:43,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-18 03:41:43,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:43,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-18 03:41:43,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-18 03:41:43,147 INFO L87 Difference]: Start difference. First operand 3494 states and 5013 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) [2021-12-18 03:41:47,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 03:41:48,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 03:41:50,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 03:41:50,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:50,833 INFO L93 Difference]: Finished difference Result 7408 states and 10636 transitions. [2021-12-18 03:41:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 03:41:50,850 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 [2021-12-18 03:41:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:50,867 INFO L225 Difference]: With dead ends: 7408 [2021-12-18 03:41:50,867 INFO L226 Difference]: Without dead ends: 3930 [2021-12-18 03:41:50,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-12-18 03:41:50,874 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 61 mSDsluCounter, 7934 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 8608 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:50,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 8608 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-12-18 03:41:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3930 states. [2021-12-18 03:41:50,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3930 to 3510. [2021-12-18 03:41:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 2738 states have (on average 1.3535427319211104) internal successors, (3706), 2748 states have internal predecessors, (3706), 629 states have call successors, (629), 127 states have call predecessors, (629), 142 states have return successors, (710), 642 states have call predecessors, (710), 626 states have call successors, (710) [2021-12-18 03:41:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 5045 transitions. [2021-12-18 03:41:51,010 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 5045 transitions. Word has length 118 [2021-12-18 03:41:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:51,011 INFO L470 AbstractCegarLoop]: Abstraction has 3510 states and 5045 transitions. [2021-12-18 03:41:51,011 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) [2021-12-18 03:41:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 5045 transitions. [2021-12-18 03:41:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-18 03:41:51,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:51,014 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] [2021-12-18 03:41:51,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:51,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:51,227 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:51,228 INFO L85 PathProgramCache]: Analyzing trace with hash -987528155, now seen corresponding path program 2 times [2021-12-18 03:41:51,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:51,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753342781] [2021-12-18 03:41:51,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 03:41:51,229 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:51,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:51,230 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:51,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 03:41:51,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 03:41:51,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 03:41:52,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 03:41:52,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 03:41:52,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 03:41:52,219 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:52,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753342781] [2021-12-18 03:41:52,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753342781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 03:41:52,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 03:41:52,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 03:41:52,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277507509] [2021-12-18 03:41:52,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 03:41:52,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 03:41:52,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:52,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 03:41:52,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 03:41:52,221 INFO L87 Difference]: Start difference. First operand 3510 states and 5045 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) [2021-12-18 03:41:52,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:52,337 INFO L93 Difference]: Finished difference Result 7020 states and 10089 transitions. [2021-12-18 03:41:52,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 03:41:52,337 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 [2021-12-18 03:41:52,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:52,360 INFO L225 Difference]: With dead ends: 7020 [2021-12-18 03:41:52,361 INFO L226 Difference]: Without dead ends: 3510 [2021-12-18 03:41:52,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 03:41:52,371 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 [2021-12-18 03:41:52,371 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] [2021-12-18 03:41:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2021-12-18 03:41:52,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3510. [2021-12-18 03:41:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 2738 states have (on average 1.3535427319211104) internal successors, (3706), 2748 states have internal predecessors, (3706), 629 states have call successors, (629), 127 states have call predecessors, (629), 142 states have return successors, (702), 642 states have call predecessors, (702), 626 states have call successors, (702) [2021-12-18 03:41:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 5037 transitions. [2021-12-18 03:41:52,520 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 5037 transitions. Word has length 124 [2021-12-18 03:41:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:52,520 INFO L470 AbstractCegarLoop]: Abstraction has 3510 states and 5037 transitions. [2021-12-18 03:41:52,520 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) [2021-12-18 03:41:52,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 5037 transitions. [2021-12-18 03:41:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-18 03:41:52,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:52,522 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] [2021-12-18 03:41:52,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:52,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:52,739 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1042583013, now seen corresponding path program 3 times [2021-12-18 03:41:52,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:52,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645970150] [2021-12-18 03:41:52,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 03:41:52,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:52,741 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:52,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 03:41:53,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-18 03:41:53,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 03:41:53,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 03:41:53,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 03:41:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-18 03:41:53,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 03:41:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-18 03:41:53,925 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 03:41:53,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645970150] [2021-12-18 03:41:53,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645970150] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 03:41:53,925 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 03:41:53,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-18 03:41:53,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23063805] [2021-12-18 03:41:53,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 03:41:53,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 03:41:53,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 03:41:53,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 03:41:53,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-18 03:41:53,926 INFO L87 Difference]: Start difference. First operand 3510 states and 5037 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) [2021-12-18 03:41:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 03:41:56,413 INFO L93 Difference]: Finished difference Result 20957 states and 30115 transitions. [2021-12-18 03:41:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 03:41:56,414 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 [2021-12-18 03:41:56,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 03:41:56,473 INFO L225 Difference]: With dead ends: 20957 [2021-12-18 03:41:56,474 INFO L226 Difference]: Without dead ends: 20935 [2021-12-18 03:41:56,483 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 [2021-12-18 03:41:56,484 INFO L933 BasicCegarLoop]: 2043 mSDtfsCounter, 2732 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 4425 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 03:41:56,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2732 Valid, 4425 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 03:41:56,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20935 states. [2021-12-18 03:41:57,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20935 to 20854. [2021-12-18 03:41:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20854 states, 16262 states have (on average 1.3551223711720575) internal successors, (22037), 16328 states have internal predecessors, (22037), 3749 states have call successors, (3749), 747 states have call predecessors, (3749), 842 states have return successors, (4202), 3826 states have call predecessors, (4202), 3746 states have call successors, (4202) [2021-12-18 03:41:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20854 states to 20854 states and 29988 transitions. [2021-12-18 03:41:57,245 INFO L78 Accepts]: Start accepts. Automaton has 20854 states and 29988 transitions. Word has length 130 [2021-12-18 03:41:57,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 03:41:57,246 INFO L470 AbstractCegarLoop]: Abstraction has 20854 states and 29988 transitions. [2021-12-18 03:41:57,246 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) [2021-12-18 03:41:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 20854 states and 29988 transitions. [2021-12-18 03:41:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-18 03:41:57,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 03:41:57,251 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] [2021-12-18 03:41:57,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 03:41:57,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:41:57,467 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 03:41:57,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 03:41:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1972520605, now seen corresponding path program 1 times [2021-12-18 03:41:57,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 03:41:57,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807317626] [2021-12-18 03:41:57,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 03:41:57,469 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 03:41:57,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 03:41:57,470 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 03:41:57,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 03:42:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:42:27,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 03:42:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 03:42:51,436 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 03:42:51,436 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 03:42:51,437 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 03:42:51,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-18 03:42:51,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 03:42:51,666 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 03:42:51,668 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 03:42:51,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:42:51 BoogieIcfgContainer [2021-12-18 03:42:51,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 03:42:51,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 03:42:51,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 03:42:51,858 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 03:42:51,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:41:30" (3/4) ... [2021-12-18 03:42:51,860 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-18 03:42:51,996 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 03:42:51,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 03:42:51,996 INFO L158 Benchmark]: Toolchain (without parser) took 94276.02ms. Allocated memory was 52.4MB in the beginning and 436.2MB in the end (delta: 383.8MB). Free memory was 34.8MB in the beginning and 87.6MB in the end (delta: -52.8MB). Peak memory consumption was 330.5MB. Max. memory is 16.1GB. [2021-12-18 03:42:51,996 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 03:42:51,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.03ms. Allocated memory was 52.4MB in the beginning and 117.4MB in the end (delta: 65.0MB). Free memory was 34.6MB in the beginning and 58.0MB in the end (delta: -23.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2021-12-18 03:42:51,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.29ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 65.2MB in the end (delta: -7.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-12-18 03:42:51,998 INFO L158 Benchmark]: Boogie Preprocessor took 80.83ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 58.9MB in the end (delta: 6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 03:42:51,998 INFO L158 Benchmark]: RCFGBuilder took 11564.57ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 58.9MB in the beginning and 90.2MB in the end (delta: -31.3MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2021-12-18 03:42:51,998 INFO L158 Benchmark]: TraceAbstraction took 81232.21ms. Allocated memory was 205.5MB in the beginning and 436.2MB in the end (delta: 230.7MB). Free memory was 90.2MB in the beginning and 140.0MB in the end (delta: -49.8MB). Peak memory consumption was 180.9MB. Max. memory is 16.1GB. [2021-12-18 03:42:51,999 INFO L158 Benchmark]: Witness Printer took 138.17ms. Allocated memory is still 436.2MB. Free memory was 140.0MB in the beginning and 87.6MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-12-18 03:42:52,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.03ms. Allocated memory was 52.4MB in the beginning and 117.4MB in the end (delta: 65.0MB). Free memory was 34.6MB in the beginning and 58.0MB in the end (delta: -23.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.29ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 65.2MB in the end (delta: -7.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.83ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 58.9MB in the end (delta: 6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 11564.57ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 58.9MB in the beginning and 90.2MB in the end (delta: -31.3MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * TraceAbstraction took 81232.21ms. Allocated memory was 205.5MB in the beginning and 436.2MB in the end (delta: 230.7MB). Free memory was 90.2MB in the beginning and 140.0MB in the end (delta: -49.8MB). Peak memory consumption was 180.9MB. Max. memory is 16.1GB. * Witness Printer took 138.17ms. Allocated memory is still 436.2MB. Free memory was 140.0MB in the beginning and 87.6MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. 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={168:169}, 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={168:169}, 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={168:169}, 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=2147492096, 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={168:169}, 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={168:169}, 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={168:169}, 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={168:169}, ldv_func_arg2={168:169}, 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={168:169}, 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={168:169}, 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={168:169}, 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={168:169}, 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={168:169}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-9223363223581884411:0}, descriptor___0={-9223354444668731379:0}, descriptor___1={-9223090544698195955:0}, descriptor___2={-9223363223581884283:0}, descriptor___3={-9222809086364483571:0}, descriptor___4={17592186044423:0}, descriptor___5={17592722915341:0}, descriptor___6={-9223363240224882675:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223363240090664956:0}, 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={168:169}, 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={168:169}, 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={168:169}, 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={8796093022212:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={8796093022212:0}, 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={168:169}, 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={168:169}, 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={168:169}, 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={8796093022212:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={8796093022212:0}, 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={8796093022212:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={8796093022212:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={8796093022212:0}, 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={168:169}, 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)={8796093022212:0}, 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={8796093022212:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={8796093022212:0}, 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={8796093022212:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={8796093022212:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-9223363223581884411:0}, descriptor___0={-9223354444668731379:0}, descriptor___1={-9223090544698195955:0}, descriptor___2={-9223363223581884283:0}, descriptor___3={-9222809086364483571:0}, descriptor___4={17592186044423:0}, descriptor___5={17592722915341:0}, descriptor___6={-9223363240224882675:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223363240090664956:0}, id={0:0}, id={0:0}, INTERF_STATE=0, kzalloc(152UL, 208U)={8796093022212:0}, 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={168:169}, 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={168:169}, 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={168:169}, 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={8192:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={8192:0}, 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={168:169}, 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={168:169}, 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={168:169}, 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={8192:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={8192:0}, 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={8192:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={8192:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={8192:0}, 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={168:169}, 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)={8192:0}, 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={8192:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={8192:0}, 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={8192:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={8192:0}, 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={168:169}, 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)={8192:0}, 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={168:169}, 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={168:169}, 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={168:169}, 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={536870915:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={536870915:0}, 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={168:169}, 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={168:169}, 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={168:169}, 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={536870915:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={536870915:0}, 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={536870915:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={536870915:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={536870915:0}, 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={168:169}, 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))={536870915:0}, 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={168:169}, 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={536870915:0}, SERIAL_STATE=0, tmp={536870915:0}, 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={168:169}, 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={536870915:0}, SERIAL_STATE=0, tmp={536870915:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5186] return (result); VAL [={0:0}, ={0:0}, \result={536870915:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={536870915:0}, SERIAL_STATE=0, tmp={536870915:0}, 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={536870915:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={536870915:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={536870915:0}, data={536870915:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={536870915:0}, data={536870915:0}, 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={168:169}, 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=-2147483648, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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=2147483648, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={536870915:0}, data={536870915:0}, 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()=-2147483648, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={536870915:0}, data={536870915:0}, 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=2147483648, usb_counter=0, usb_dev={536870915:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5205] return (usb_dev); VAL [={0:0}, ={0:0}, \result={536870915:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={536870915:0}, data={536870915:0}, 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=2147483648, usb_counter=0, usb_dev={536870915:0}, 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={536870915:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, 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={536870915:0}, ldv_func_arg1={536870915:0}, 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={536870915:0}, usb_counter=0, usb_dev={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, arg0={536870915:0}, arg0={536870915:0}, arg1=null, arg2=null, arg3={8796093022212:32}, arg3={8796093022212:32}, 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={536870915:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-9223363223581884411:0}, descriptor___0={-9223354444668731379:0}, descriptor___1={-9223090544698195955:0}, descriptor___2={-9223363223581884283:0}, descriptor___3={-9222809086364483571:0}, descriptor___4={17592186044423:0}, descriptor___5={17592722915341:0}, descriptor___6={-9223363240224882675:0}, dev_counter=1, gtco={8796093022212:0}, gtco->buffer={0:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223363240090664956:0}, id={0:0}, id={0:0}, input_dev={8192:0}, 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={8796093022212:0}, tmp___0={536870915:0}, tmp___1={0:0}, usb_counter=0, usb_dev={536870915:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-9223363223581884411:0}, descriptor___0={-9223354444668731379:0}, descriptor___1={-9223090544698195955:0}, descriptor___2={-9223363223581884283:0}, descriptor___3={-9222809086364483571:0}, descriptor___4={17592186044423:0}, descriptor___5={17592722915341:0}, descriptor___6={-9223363240224882675:0}, dev_counter=1, error=4294967284, gtco={8796093022212:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223363240090664956:0}, id={0:0}, id={0:0}, input_dev={8192:0}, 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={8796093022212:0}, tmp___0={536870915:0}, tmp___1={0:0}, usb_counter=0, usb_dev={536870915:0}, 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={168:169}, 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={8796093022212:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={536870915:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-9223363223581884411:0}, descriptor___0={-9223354444668731379:0}, descriptor___1={-9223090544698195955:0}, descriptor___2={-9223363223581884283:0}, descriptor___3={-9222809086364483571:0}, descriptor___4={17592186044423:0}, descriptor___5={17592722915341:0}, descriptor___6={-9223363240224882675:0}, dev_counter=1, error=4294967284, gtco={8796093022212:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223363240090664956:0}, id={0:0}, id={0:0}, input_dev={8192:0}, 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={8796093022212:0}, tmp___0={536870915:0}, tmp___1={0:0}, usb_counter=0, usb_dev={536870915:0}, 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={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, error=4294967284, gtco={8796093022212:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, id={0:0}, id={0:0}, input_dev={8192:0}, 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={8796093022212:0}, tmp___0={536870915:0}, tmp___1={0:0}, usb_counter=0, usb_dev={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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={168:169}, 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={536870915:0}, 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: 81.0s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 7138 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7134 mSDsluCounter, 30709 SdHoareTripleChecker+Invalid, 11.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20565 mSDsCounter, 486 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1230 IncrementalHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 486 mSolverCounterUnsat, 10144 mSDtfsCounter, 1230 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 1010 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20854occurred in iteration=12, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 948 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 33.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 941 NumberOfCodeBlocks, 877 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 2304 SizeOfPredicates, 32 NumberOfNonLiveVariables, 12548 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 335/367 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! [2021-12-18 03:42:52,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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