./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.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 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:06:38,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:06:38,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:06:38,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:06:38,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:06:38,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:06:38,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:06:38,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:06:38,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:06:38,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:06:38,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:06:38,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:06:38,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:06:38,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:06:38,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:06:38,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:06:38,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:06:38,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:06:38,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:06:38,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:06:38,423 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:06:38,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:06:38,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:06:38,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:06:38,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:06:38,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:06:38,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:06:38,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:06:38,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:06:38,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:06:38,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:06:38,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:06:38,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:06:38,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:06:38,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:06:38,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:06:38,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:06:38,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:06:38,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:06:38,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:06:38,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:06:38,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:06:38,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:06:38,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:06:38,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:06:38,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:06:38,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:06:38,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:06:38,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:06:38,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:06:38,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:06:38,456 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:06:38,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:06:38,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:06:38,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:06:38,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:06:38,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:06:38,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:06:38,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:06:38,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:06:38,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:06:38,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:06:38,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:06:38,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:06:38,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:06:38,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:06:38,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:06:38,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:06:38,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:06:38,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:06:38,459 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:06:38,459 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:06:38,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:06:38,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2022-07-20 00:06:38,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:06:38,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:06:38,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:06:38,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:06:38,698 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:06:38,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:06:38,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6513d9866/8fb11a5fb4984aa9a0d7b5b7b4e41989/FLAG5a80e0054 [2022-07-20 00:06:39,215 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:06:39,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:06:39,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6513d9866/8fb11a5fb4984aa9a0d7b5b7b4e41989/FLAG5a80e0054 [2022-07-20 00:06:39,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6513d9866/8fb11a5fb4984aa9a0d7b5b7b4e41989 [2022-07-20 00:06:39,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:06:39,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:06:39,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:06:39,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:06:39,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:06:39,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:06:39" (1/1) ... [2022-07-20 00:06:39,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53980e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:39, skipping insertion in model container [2022-07-20 00:06:39,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:06:39" (1/1) ... [2022-07-20 00:06:39,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:06:39,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:06:40,160 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-20 00:06:40,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:06:40,202 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:06:40,433 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-20 00:06:40,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:06:40,480 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:06:40,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40 WrapperNode [2022-07-20 00:06:40,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:06:40,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:06:40,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:06:40,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:06:40,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,589 INFO L137 Inliner]: procedures = 115, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1938 [2022-07-20 00:06:40,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:06:40,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:06:40,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:06:40,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:06:40,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:06:40,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:06:40,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:06:40,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:06:40,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (1/1) ... [2022-07-20 00:06:40,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:06:40,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:06:40,748 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) [2022-07-20 00:06:40,756 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 [2022-07-20 00:06:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:06:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 00:06:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 00:06:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:06:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:06:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:06:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:06:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:06:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:06:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:06:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-20 00:06:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-20 00:06:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:06:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:06:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 00:06:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 00:06:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:06:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:06:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 00:06:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 00:06:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:06:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:06:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-20 00:06:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-20 00:06:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:06:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-20 00:06:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-20 00:06:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:06:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:06:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:06:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:06:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-20 00:06:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-20 00:06:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:06:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:06:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:06:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:06:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-20 00:06:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-20 00:06:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-20 00:06:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-20 00:06:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:06:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:06:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:06:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-20 00:06:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-20 00:06:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 00:06:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 00:06:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 00:06:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 00:06:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-20 00:06:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-20 00:06:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:06:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:06:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-20 00:06:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-20 00:06:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-20 00:06:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-20 00:06:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:06:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:06:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:06:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:06:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:06:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-20 00:06:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-20 00:06:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:06:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:06:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:06:41,120 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:06:41,122 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:06:41,383 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:06:43,733 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:06:43,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:06:43,741 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:06:43,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:06:43 BoogieIcfgContainer [2022-07-20 00:06:43,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:06:43,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:06:43,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:06:43,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:06:43,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:06:39" (1/3) ... [2022-07-20 00:06:43,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a5428f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:06:43, skipping insertion in model container [2022-07-20 00:06:43,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:06:40" (2/3) ... [2022-07-20 00:06:43,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a5428f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:06:43, skipping insertion in model container [2022-07-20 00:06:43,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:06:43" (3/3) ... [2022-07-20 00:06:43,749 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:06:43,760 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:06:43,760 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:06:43,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:06:43,801 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@15a4af2b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@69ae2c97 [2022-07-20 00:06:43,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:06:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 599 states, 458 states have (on average 1.425764192139738) internal successors, (653), 465 states have internal predecessors, (653), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-20 00:06:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-20 00:06:43,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:43,830 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:43,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:43,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:43,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1644840656, now seen corresponding path program 1 times [2022-07-20 00:06:43,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:06:43,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482824619] [2022-07-20 00:06:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:06:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:06:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:06:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:06:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:06:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:06:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:06:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:06:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:06:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:06:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:06:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:06:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:06:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-20 00:06:44,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:06:44,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482824619] [2022-07-20 00:06:44,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482824619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:44,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:44,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:06:44,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204870934] [2022-07-20 00:06:44,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:44,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:06:44,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:06:44,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:06:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:06:44,457 INFO L87 Difference]: Start difference. First operand has 599 states, 458 states have (on average 1.425764192139738) internal successors, (653), 465 states have internal predecessors, (653), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:06:46,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:06:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:06:47,739 INFO L93 Difference]: Finished difference Result 1321 states and 2037 transitions. [2022-07-20 00:06:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:06:47,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2022-07-20 00:06:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:47,752 INFO L225 Difference]: With dead ends: 1321 [2022-07-20 00:06:47,752 INFO L226 Difference]: Without dead ends: 710 [2022-07-20 00:06:47,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:06:47,759 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 550 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 333 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:47,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 2213 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-07-20 00:06:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-07-20 00:06:47,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 583. [2022-07-20 00:06:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 449 states have (on average 1.3875278396436526) internal successors, (623), 450 states have internal predecessors, (623), 108 states have call successors, (108), 25 states have call predecessors, (108), 25 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-07-20 00:06:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 839 transitions. [2022-07-20 00:06:47,828 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 839 transitions. Word has length 128 [2022-07-20 00:06:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:06:47,828 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 839 transitions. [2022-07-20 00:06:47,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:06:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 839 transitions. [2022-07-20 00:06:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-20 00:06:47,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:47,832 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:47,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:06:47,833 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:47,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash 674606452, now seen corresponding path program 1 times [2022-07-20 00:06:47,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:06:47,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032354774] [2022-07-20 00:06:47,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:47,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:06:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:06:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:06:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:06:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:06:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:06:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:06:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:06:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:06:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:06:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:06:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:06:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:06:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-20 00:06:48,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:06:48,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032354774] [2022-07-20 00:06:48,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032354774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:48,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:48,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:06:48,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078080914] [2022-07-20 00:06:48,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:48,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:06:48,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:06:48,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:06:48,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:06:48,106 INFO L87 Difference]: Start difference. First operand 583 states and 839 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:06:50,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:06:51,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:06:51,373 INFO L93 Difference]: Finished difference Result 1325 states and 1937 transitions. [2022-07-20 00:06:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:06:51,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2022-07-20 00:06:51,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:51,379 INFO L225 Difference]: With dead ends: 1325 [2022-07-20 00:06:51,379 INFO L226 Difference]: Without dead ends: 773 [2022-07-20 00:06:51,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:06:51,381 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 843 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 480 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:51,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 2173 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 926 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-20 00:06:51,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2022-07-20 00:06:51,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 644. [2022-07-20 00:06:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 500 states have (on average 1.382) internal successors, (691), 502 states have internal predecessors, (691), 113 states have call successors, (113), 30 states have call predecessors, (113), 30 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-07-20 00:06:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 917 transitions. [2022-07-20 00:06:51,411 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 917 transitions. Word has length 128 [2022-07-20 00:06:51,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:06:51,412 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 917 transitions. [2022-07-20 00:06:51,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:06:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 917 transitions. [2022-07-20 00:06:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 00:06:51,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:51,423 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:51,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:06:51,423 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:51,424 INFO L85 PathProgramCache]: Analyzing trace with hash 877783348, now seen corresponding path program 1 times [2022-07-20 00:06:51,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:06:51,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768827725] [2022-07-20 00:06:51,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:51,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:06:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:06:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:06:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:06:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:06:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:06:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:06:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:06:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:06:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:06:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:06:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:06:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:06:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:06:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:06:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:06:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:06:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-07-20 00:06:51,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:06:51,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768827725] [2022-07-20 00:06:51,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768827725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:51,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:51,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:06:51,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009970990] [2022-07-20 00:06:51,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:06:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:06:51,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:06:51,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:06:51,716 INFO L87 Difference]: Start difference. First operand 644 states and 917 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 00:06:54,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:06:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:06:55,409 INFO L93 Difference]: Finished difference Result 1766 states and 2568 transitions. [2022-07-20 00:06:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:06:55,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 196 [2022-07-20 00:06:55,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:55,418 INFO L225 Difference]: With dead ends: 1766 [2022-07-20 00:06:55,418 INFO L226 Difference]: Without dead ends: 1159 [2022-07-20 00:06:55,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:06:55,422 INFO L413 NwaCegarLoop]: 892 mSDtfsCounter, 1582 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 822 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:55,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 2320 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [822 Valid, 1301 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 00:06:55,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-07-20 00:06:55,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 954. [2022-07-20 00:06:55,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 755 states have (on average 1.3562913907284768) internal successors, (1024), 759 states have internal predecessors, (1024), 147 states have call successors, (147), 48 states have call predecessors, (147), 51 states have return successors, (162), 149 states have call predecessors, (162), 147 states have call successors, (162) [2022-07-20 00:06:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1333 transitions. [2022-07-20 00:06:55,463 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1333 transitions. Word has length 196 [2022-07-20 00:06:55,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:06:55,466 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1333 transitions. [2022-07-20 00:06:55,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 00:06:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1333 transitions. [2022-07-20 00:06:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 00:06:55,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:55,471 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:55,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:06:55,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:55,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:55,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1263965729, now seen corresponding path program 1 times [2022-07-20 00:06:55,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:06:55,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788588522] [2022-07-20 00:06:55,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:55,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:06:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:06:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:06:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:06:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:06:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:06:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:06:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:06:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:06:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:06:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:06:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:06:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:06:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:06:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:06:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:06:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-20 00:06:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-20 00:06:55,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:06:55,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788588522] [2022-07-20 00:06:55,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788588522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:55,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:55,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:06:55,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429876863] [2022-07-20 00:06:55,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:55,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:06:55,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:06:55,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:06:55,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:06:55,756 INFO L87 Difference]: Start difference. First operand 954 states and 1333 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-20 00:06:58,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:06:58,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:06:58,876 INFO L93 Difference]: Finished difference Result 2078 states and 2964 transitions. [2022-07-20 00:06:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:06:58,877 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 206 [2022-07-20 00:06:58,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:58,885 INFO L225 Difference]: With dead ends: 2078 [2022-07-20 00:06:58,886 INFO L226 Difference]: Without dead ends: 1161 [2022-07-20 00:06:58,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:06:58,895 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 747 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 477 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:58,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 2281 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 873 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 00:06:58,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-07-20 00:06:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 955. [2022-07-20 00:06:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 756 states have (on average 1.3558201058201058) internal successors, (1025), 760 states have internal predecessors, (1025), 147 states have call successors, (147), 48 states have call predecessors, (147), 51 states have return successors, (162), 149 states have call predecessors, (162), 147 states have call successors, (162) [2022-07-20 00:06:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1334 transitions. [2022-07-20 00:06:58,943 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1334 transitions. Word has length 206 [2022-07-20 00:06:58,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:06:58,944 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1334 transitions. [2022-07-20 00:06:58,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-20 00:06:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1334 transitions. [2022-07-20 00:06:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 00:06:58,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:58,947 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:58,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:06:58,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:58,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:58,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1321224031, now seen corresponding path program 1 times [2022-07-20 00:06:58,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:06:58,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141701999] [2022-07-20 00:06:58,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:58,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:06:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:06:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:06:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:06:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:06:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:06:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:06:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:06:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:06:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:06:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:06:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:06:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:06:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:06:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:06:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:06:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:06:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-20 00:06:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:06:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-20 00:06:59,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:06:59,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141701999] [2022-07-20 00:06:59,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141701999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:59,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:59,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:06:59,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952155001] [2022-07-20 00:06:59,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:59,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:06:59,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:06:59,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:06:59,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:06:59,344 INFO L87 Difference]: Start difference. First operand 955 states and 1334 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 00:07:01,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:03,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:03,517 INFO L93 Difference]: Finished difference Result 2255 states and 3250 transitions. [2022-07-20 00:07:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:07:03,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 206 [2022-07-20 00:07:03,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:03,526 INFO L225 Difference]: With dead ends: 2255 [2022-07-20 00:07:03,526 INFO L226 Difference]: Without dead ends: 2253 [2022-07-20 00:07:03,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:07:03,528 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 1923 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 922 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 922 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:03,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 2789 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [922 Valid, 1325 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 00:07:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2022-07-20 00:07:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 1803. [2022-07-20 00:07:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1431 states have (on average 1.36617749825297) internal successors, (1955), 1439 states have internal predecessors, (1955), 274 states have call successors, (274), 94 states have call predecessors, (274), 97 states have return successors, (293), 275 states have call predecessors, (293), 274 states have call successors, (293) [2022-07-20 00:07:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2522 transitions. [2022-07-20 00:07:03,594 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2522 transitions. Word has length 206 [2022-07-20 00:07:03,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:03,594 INFO L495 AbstractCegarLoop]: Abstraction has 1803 states and 2522 transitions. [2022-07-20 00:07:03,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 00:07:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2522 transitions. [2022-07-20 00:07:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-20 00:07:03,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:03,597 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:03,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:07:03,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:03,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:03,597 INFO L85 PathProgramCache]: Analyzing trace with hash -225403342, now seen corresponding path program 1 times [2022-07-20 00:07:03,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:03,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767204809] [2022-07-20 00:07:03,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:07:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-20 00:07:03,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:03,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767204809] [2022-07-20 00:07:03,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767204809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:03,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:03,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:07:03,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767362381] [2022-07-20 00:07:03,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:03,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:07:03,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:03,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:07:03,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:07:03,856 INFO L87 Difference]: Start difference. First operand 1803 states and 2522 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 00:07:06,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:08,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:08,136 INFO L93 Difference]: Finished difference Result 4787 states and 6837 transitions. [2022-07-20 00:07:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:07:08,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 215 [2022-07-20 00:07:08,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:08,148 INFO L225 Difference]: With dead ends: 4787 [2022-07-20 00:07:08,148 INFO L226 Difference]: Without dead ends: 3021 [2022-07-20 00:07:08,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:07:08,152 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 915 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 515 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 3498 SdHoareTripleChecker+Invalid, 2368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:08,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 3498 Invalid, 2368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 1852 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 00:07:08,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2022-07-20 00:07:08,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 2333. [2022-07-20 00:07:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 1865 states have (on average 1.3554959785522789) internal successors, (2528), 1875 states have internal predecessors, (2528), 334 states have call successors, (334), 130 states have call predecessors, (334), 133 states have return successors, (352), 335 states have call predecessors, (352), 334 states have call successors, (352) [2022-07-20 00:07:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 3214 transitions. [2022-07-20 00:07:08,233 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 3214 transitions. Word has length 215 [2022-07-20 00:07:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:08,234 INFO L495 AbstractCegarLoop]: Abstraction has 2333 states and 3214 transitions. [2022-07-20 00:07:08,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 00:07:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3214 transitions. [2022-07-20 00:07:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 00:07:08,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:08,237 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:08,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:07:08,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:08,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash -562990724, now seen corresponding path program 1 times [2022-07-20 00:07:08,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:08,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186291904] [2022-07-20 00:07:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:07:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:07:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-20 00:07:08,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:08,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186291904] [2022-07-20 00:07:08,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186291904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:08,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:08,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:07:08,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830936403] [2022-07-20 00:07:08,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:08,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:07:08,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:07:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:07:08,480 INFO L87 Difference]: Start difference. First operand 2333 states and 3214 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:07:11,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:12,524 INFO L93 Difference]: Finished difference Result 7027 states and 9833 transitions. [2022-07-20 00:07:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:07:12,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 236 [2022-07-20 00:07:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:12,539 INFO L225 Difference]: With dead ends: 7027 [2022-07-20 00:07:12,540 INFO L226 Difference]: Without dead ends: 4731 [2022-07-20 00:07:12,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:07:12,544 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 1498 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 775 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:12,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 3811 Invalid, 2637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 1861 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 00:07:12,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2022-07-20 00:07:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 2337. [2022-07-20 00:07:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2337 states, 1869 states have (on average 1.3547351524879614) internal successors, (2532), 1879 states have internal predecessors, (2532), 334 states have call successors, (334), 130 states have call predecessors, (334), 133 states have return successors, (352), 335 states have call predecessors, (352), 334 states have call successors, (352) [2022-07-20 00:07:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2337 states and 3218 transitions. [2022-07-20 00:07:12,631 INFO L78 Accepts]: Start accepts. Automaton has 2337 states and 3218 transitions. Word has length 236 [2022-07-20 00:07:12,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:12,634 INFO L495 AbstractCegarLoop]: Abstraction has 2337 states and 3218 transitions. [2022-07-20 00:07:12,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:07:12,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 3218 transitions. [2022-07-20 00:07:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-20 00:07:12,637 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:12,637 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:12,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:07:12,638 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:12,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:12,638 INFO L85 PathProgramCache]: Analyzing trace with hash 621597278, now seen corresponding path program 1 times [2022-07-20 00:07:12,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:12,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813342329] [2022-07-20 00:07:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:12,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:07:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 00:07:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-20 00:07:12,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:12,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813342329] [2022-07-20 00:07:12,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813342329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:12,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:12,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:07:12,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717481844] [2022-07-20 00:07:12,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:12,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:07:12,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:12,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:07:12,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:07:12,841 INFO L87 Difference]: Start difference. First operand 2337 states and 3218 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:07:16,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:18,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:19,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:22,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:24,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:26,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:28,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:29,586 INFO L93 Difference]: Finished difference Result 6111 states and 8600 transitions. [2022-07-20 00:07:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:07:29,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 242 [2022-07-20 00:07:29,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:29,603 INFO L225 Difference]: With dead ends: 6111 [2022-07-20 00:07:29,603 INFO L226 Difference]: Without dead ends: 3811 [2022-07-20 00:07:29,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:07:29,607 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 890 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 502 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 944 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:29,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [944 Valid, 3588 Invalid, 2397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 1890 Invalid, 5 Unknown, 0 Unchecked, 16.6s Time] [2022-07-20 00:07:29,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2022-07-20 00:07:29,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 2940. [2022-07-20 00:07:29,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2361 states have (on average 1.3439220669207963) internal successors, (3173), 2374 states have internal predecessors, (3173), 398 states have call successors, (398), 172 states have call predecessors, (398), 180 states have return successors, (432), 403 states have call predecessors, (432), 398 states have call successors, (432) [2022-07-20 00:07:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4003 transitions. [2022-07-20 00:07:29,710 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4003 transitions. Word has length 242 [2022-07-20 00:07:29,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:29,711 INFO L495 AbstractCegarLoop]: Abstraction has 2940 states and 4003 transitions. [2022-07-20 00:07:29,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:07:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4003 transitions. [2022-07-20 00:07:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-20 00:07:29,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:29,731 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:29,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 00:07:29,732 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:29,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2067512813, now seen corresponding path program 1 times [2022-07-20 00:07:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:29,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75927007] [2022-07-20 00:07:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:07:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 00:07:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:07:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 00:07:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-20 00:07:30,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:30,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75927007] [2022-07-20 00:07:30,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75927007] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:30,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:30,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:07:30,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889071508] [2022-07-20 00:07:30,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:30,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:07:30,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:30,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:07:30,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:07:30,043 INFO L87 Difference]: Start difference. First operand 2940 states and 4003 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 00:07:32,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:33,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:33,073 INFO L93 Difference]: Finished difference Result 6715 states and 9343 transitions. [2022-07-20 00:07:33,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:07:33,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 285 [2022-07-20 00:07:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:33,084 INFO L225 Difference]: With dead ends: 6715 [2022-07-20 00:07:33,084 INFO L226 Difference]: Without dead ends: 3812 [2022-07-20 00:07:33,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:07:33,088 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 1610 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 766 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:33,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1691 Valid, 1542 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 514 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 00:07:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-07-20 00:07:33,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 2863. [2022-07-20 00:07:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2863 states, 2294 states have (on average 1.3055797733217087) internal successors, (2995), 2307 states have internal predecessors, (2995), 390 states have call successors, (390), 172 states have call predecessors, (390), 178 states have return successors, (416), 393 states have call predecessors, (416), 390 states have call successors, (416) [2022-07-20 00:07:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 3801 transitions. [2022-07-20 00:07:33,199 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 3801 transitions. Word has length 285 [2022-07-20 00:07:33,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:33,200 INFO L495 AbstractCegarLoop]: Abstraction has 2863 states and 3801 transitions. [2022-07-20 00:07:33,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 00:07:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3801 transitions. [2022-07-20 00:07:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-20 00:07:33,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:33,205 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:33,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 00:07:33,205 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:33,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:33,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1247060879, now seen corresponding path program 1 times [2022-07-20 00:07:33,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:33,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160633621] [2022-07-20 00:07:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:33,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:07:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 00:07:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:07:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 00:07:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-20 00:07:33,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:33,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160633621] [2022-07-20 00:07:33,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160633621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:33,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:33,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:07:33,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906951344] [2022-07-20 00:07:33,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:33,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:07:33,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:33,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:07:33,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:07:33,505 INFO L87 Difference]: Start difference. First operand 2863 states and 3801 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:07:35,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:37,598 INFO L93 Difference]: Finished difference Result 9297 states and 12557 transitions. [2022-07-20 00:07:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:07:37,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 285 [2022-07-20 00:07:37,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:37,618 INFO L225 Difference]: With dead ends: 9297 [2022-07-20 00:07:37,619 INFO L226 Difference]: Without dead ends: 6471 [2022-07-20 00:07:37,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:07:37,625 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 1473 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 4067 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:37,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 4067 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 1819 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 00:07:37,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6471 states. [2022-07-20 00:07:37,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6471 to 2867. [2022-07-20 00:07:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2298 states have (on average 1.305047867711053) internal successors, (2999), 2311 states have internal predecessors, (2999), 390 states have call successors, (390), 172 states have call predecessors, (390), 178 states have return successors, (416), 393 states have call predecessors, (416), 390 states have call successors, (416) [2022-07-20 00:07:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3805 transitions. [2022-07-20 00:07:37,789 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3805 transitions. Word has length 285 [2022-07-20 00:07:37,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:37,790 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 3805 transitions. [2022-07-20 00:07:37,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:07:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3805 transitions. [2022-07-20 00:07:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-20 00:07:37,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:37,796 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:37,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 00:07:37,797 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:37,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:37,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1945847223, now seen corresponding path program 1 times [2022-07-20 00:07:37,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:37,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698851052] [2022-07-20 00:07:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:07:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 00:07:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:07:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 00:07:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:07:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 00:07:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 00:07:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:07:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:07:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:07:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-20 00:07:38,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:38,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698851052] [2022-07-20 00:07:38,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698851052] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:38,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:38,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:07:38,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082721386] [2022-07-20 00:07:38,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:38,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:07:38,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:38,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:07:38,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:07:38,077 INFO L87 Difference]: Start difference. First operand 2867 states and 3805 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:07:40,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:42,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:43,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:45,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:47,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:07:48,784 INFO L93 Difference]: Finished difference Result 6650 states and 8983 transitions. [2022-07-20 00:07:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:07:48,788 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 338 [2022-07-20 00:07:48,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:07:48,817 INFO L225 Difference]: With dead ends: 6650 [2022-07-20 00:07:48,817 INFO L226 Difference]: Without dead ends: 3820 [2022-07-20 00:07:48,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:07:48,822 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 624 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 461 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:07:48,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 2499 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 916 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-07-20 00:07:48,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2022-07-20 00:07:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 2926. [2022-07-20 00:07:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2344 states have (on average 1.3041808873720135) internal successors, (3057), 2358 states have internal predecessors, (3057), 390 states have call successors, (390), 172 states have call predecessors, (390), 191 states have return successors, (466), 405 states have call predecessors, (466), 390 states have call successors, (466) [2022-07-20 00:07:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3913 transitions. [2022-07-20 00:07:48,949 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3913 transitions. Word has length 338 [2022-07-20 00:07:48,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:07:48,949 INFO L495 AbstractCegarLoop]: Abstraction has 2926 states and 3913 transitions. [2022-07-20 00:07:48,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:07:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3913 transitions. [2022-07-20 00:07:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-20 00:07:48,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:07:48,953 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:07:48,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 00:07:48,954 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:07:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:07:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1689588551, now seen corresponding path program 1 times [2022-07-20 00:07:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:07:48,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682566623] [2022-07-20 00:07:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:07:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:07:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:07:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:07:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:07:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:07:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:07:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:07:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:07:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:07:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:07:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:07:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:07:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:07:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:07:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:07:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:07:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:07:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:07:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 00:07:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:07:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 00:07:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:07:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:07:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 00:07:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 00:07:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:07:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:07:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:07:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:07:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-20 00:07:49,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:07:49,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682566623] [2022-07-20 00:07:49,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682566623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:07:49,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:07:49,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:07:49,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746603602] [2022-07-20 00:07:49,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:07:49,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:07:49,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:07:49,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:07:49,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:07:49,264 INFO L87 Difference]: Start difference. First operand 2926 states and 3913 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:07:50,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:52,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:54,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:56,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:07:58,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:01,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:03,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:03,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:03,790 INFO L93 Difference]: Finished difference Result 6711 states and 9093 transitions. [2022-07-20 00:08:03,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:08:03,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 338 [2022-07-20 00:08:03,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:03,806 INFO L225 Difference]: With dead ends: 6711 [2022-07-20 00:08:03,807 INFO L226 Difference]: Without dead ends: 3822 [2022-07-20 00:08:03,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:08:03,812 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 574 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 351 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 2539 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:03,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 2539 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 1027 Invalid, 6 Unknown, 0 Unchecked, 14.3s Time] [2022-07-20 00:08:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2022-07-20 00:08:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 2928. [2022-07-20 00:08:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2346 states have (on average 1.303921568627451) internal successors, (3059), 2360 states have internal predecessors, (3059), 390 states have call successors, (390), 172 states have call predecessors, (390), 191 states have return successors, (466), 405 states have call predecessors, (466), 390 states have call successors, (466) [2022-07-20 00:08:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 3915 transitions. [2022-07-20 00:08:03,928 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 3915 transitions. Word has length 338 [2022-07-20 00:08:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:03,928 INFO L495 AbstractCegarLoop]: Abstraction has 2928 states and 3915 transitions. [2022-07-20 00:08:03,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:08:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 3915 transitions. [2022-07-20 00:08:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-20 00:08:03,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:03,933 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:03,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 00:08:03,933 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:03,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:03,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1414828937, now seen corresponding path program 1 times [2022-07-20 00:08:03,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:03,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948537593] [2022-07-20 00:08:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:03,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:08:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:08:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:08:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:08:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:08:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:08:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:08:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:08:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:08:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:08:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:08:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:08:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:08:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 00:08:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:08:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 00:08:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:08:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 00:08:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 00:08:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:08:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:08:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:08:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-20 00:08:04,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:04,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948537593] [2022-07-20 00:08:04,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948537593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:08:04,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:08:04,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:08:04,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988283020] [2022-07-20 00:08:04,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:08:04,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:08:04,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:04,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:08:04,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:08:04,235 INFO L87 Difference]: Start difference. First operand 2928 states and 3915 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:08:06,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:07,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:07,480 INFO L93 Difference]: Finished difference Result 6719 states and 9101 transitions. [2022-07-20 00:08:07,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 00:08:07,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 338 [2022-07-20 00:08:07,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:07,490 INFO L225 Difference]: With dead ends: 6719 [2022-07-20 00:08:07,490 INFO L226 Difference]: Without dead ends: 3828 [2022-07-20 00:08:07,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:08:07,495 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 899 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 629 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 2682 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:07,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 2682 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 1033 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 00:08:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2022-07-20 00:08:07,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 2932. [2022-07-20 00:08:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2350 states have (on average 1.303404255319149) internal successors, (3063), 2364 states have internal predecessors, (3063), 390 states have call successors, (390), 172 states have call predecessors, (390), 191 states have return successors, (466), 405 states have call predecessors, (466), 390 states have call successors, (466) [2022-07-20 00:08:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3919 transitions. [2022-07-20 00:08:07,625 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3919 transitions. Word has length 338 [2022-07-20 00:08:07,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:07,626 INFO L495 AbstractCegarLoop]: Abstraction has 2932 states and 3919 transitions. [2022-07-20 00:08:07,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:08:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3919 transitions. [2022-07-20 00:08:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-20 00:08:07,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:07,630 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:07,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 00:08:07,630 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:07,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash 636155061, now seen corresponding path program 1 times [2022-07-20 00:08:07,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:07,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971258349] [2022-07-20 00:08:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:08:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:08:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:08:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:08:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:08:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:08:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:08:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:08:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 00:08:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:08:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:08:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 00:08:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:08:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 00:08:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:08:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 00:08:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:08:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 00:08:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 00:08:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:08:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:08:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:08:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2022-07-20 00:08:07,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:07,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971258349] [2022-07-20 00:08:07,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971258349] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:07,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771614841] [2022-07-20 00:08:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:07,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:07,952 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) [2022-07-20 00:08:07,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:08:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:08,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 2901 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 00:08:08,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-07-20 00:08:08,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:08:08,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771614841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:08:08,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:08:08,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-20 00:08:08,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653003958] [2022-07-20 00:08:08,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:08:08,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:08:08,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:08,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:08:08,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:08:08,659 INFO L87 Difference]: Start difference. First operand 2932 states and 3919 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:08:08,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:08,970 INFO L93 Difference]: Finished difference Result 8714 states and 11631 transitions. [2022-07-20 00:08:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:08:08,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 338 [2022-07-20 00:08:08,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:08,983 INFO L225 Difference]: With dead ends: 8714 [2022-07-20 00:08:08,983 INFO L226 Difference]: Without dead ends: 5689 [2022-07-20 00:08:08,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:08:08,989 INFO L413 NwaCegarLoop]: 1556 mSDtfsCounter, 754 mSDsluCounter, 3900 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:08,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 5456 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:08:08,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5689 states. [2022-07-20 00:08:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5689 to 5585. [2022-07-20 00:08:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5585 states, 4490 states have (on average 1.303118040089087) internal successors, (5851), 4507 states have internal predecessors, (5851), 737 states have call successors, (737), 319 states have call predecessors, (737), 357 states have return successors, (887), 758 states have call predecessors, (887), 737 states have call successors, (887) [2022-07-20 00:08:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5585 states to 5585 states and 7475 transitions. [2022-07-20 00:08:09,252 INFO L78 Accepts]: Start accepts. Automaton has 5585 states and 7475 transitions. Word has length 338 [2022-07-20 00:08:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:09,253 INFO L495 AbstractCegarLoop]: Abstraction has 5585 states and 7475 transitions. [2022-07-20 00:08:09,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:08:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5585 states and 7475 transitions. [2022-07-20 00:08:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-20 00:08:09,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:09,260 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:09,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:09,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-20 00:08:09,468 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash -948161205, now seen corresponding path program 1 times [2022-07-20 00:08:09,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:09,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178360570] [2022-07-20 00:08:09,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:09,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:08:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:08:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:08:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:08:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:08:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:08:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:08:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:08:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 00:08:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:08:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:08:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 00:08:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 00:08:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 00:08:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:08:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 00:08:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 00:08:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:08:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:08:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:08:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-20 00:08:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 00:08:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:08:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-07-20 00:08:09,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:09,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178360570] [2022-07-20 00:08:09,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178360570] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:09,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665090986] [2022-07-20 00:08:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:09,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:09,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:09,806 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) [2022-07-20 00:08:09,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:08:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:10,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-20 00:08:10,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-20 00:08:10,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:08:10,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665090986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:08:10,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:08:10,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2022-07-20 00:08:10,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428815445] [2022-07-20 00:08:10,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:08:10,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:08:10,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:10,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:08:10,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:08:10,619 INFO L87 Difference]: Start difference. First operand 5585 states and 7475 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:08:10,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:10,912 INFO L93 Difference]: Finished difference Result 12021 states and 16136 transitions. [2022-07-20 00:08:10,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 00:08:10,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 358 [2022-07-20 00:08:10,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:10,933 INFO L225 Difference]: With dead ends: 12021 [2022-07-20 00:08:10,934 INFO L226 Difference]: Without dead ends: 6473 [2022-07-20 00:08:10,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:08:10,952 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 158 mSDsluCounter, 5737 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6725 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:10,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 6725 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:08:10,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6473 states. [2022-07-20 00:08:11,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6473 to 5609. [2022-07-20 00:08:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5609 states, 4510 states have (on average 1.3017738359201774) internal successors, (5871), 4523 states have internal predecessors, (5871), 737 states have call successors, (737), 319 states have call predecessors, (737), 361 states have return successors, (899), 766 states have call predecessors, (899), 737 states have call successors, (899) [2022-07-20 00:08:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5609 states to 5609 states and 7507 transitions. [2022-07-20 00:08:11,232 INFO L78 Accepts]: Start accepts. Automaton has 5609 states and 7507 transitions. Word has length 358 [2022-07-20 00:08:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:11,233 INFO L495 AbstractCegarLoop]: Abstraction has 5609 states and 7507 transitions. [2022-07-20 00:08:11,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 6 states have internal predecessors, (160), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:08:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5609 states and 7507 transitions. [2022-07-20 00:08:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-20 00:08:11,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:11,240 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:11,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:11,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-20 00:08:11,456 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:11,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:11,456 INFO L85 PathProgramCache]: Analyzing trace with hash 503461736, now seen corresponding path program 1 times [2022-07-20 00:08:11,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:11,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885637923] [2022-07-20 00:08:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:08:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:08:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:08:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:08:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-20 00:08:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 00:08:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 00:08:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:08:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 00:08:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:08:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:08:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 00:08:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 00:08:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 00:08:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:08:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 00:08:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 00:08:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 00:08:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 00:08:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:08:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 00:08:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-20 00:08:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 00:08:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-07-20 00:08:11,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:11,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885637923] [2022-07-20 00:08:11,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885637923] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:11,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026908474] [2022-07-20 00:08:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:11,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:11,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:11,787 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) [2022-07-20 00:08:11,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 00:08:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:12,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-20 00:08:12,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-07-20 00:08:12,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:08:12,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026908474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:08:12,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:08:12,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2022-07-20 00:08:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580225861] [2022-07-20 00:08:12,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:08:12,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:08:12,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:12,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:08:12,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:08:12,507 INFO L87 Difference]: Start difference. First operand 5609 states and 7507 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:08:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:12,729 INFO L93 Difference]: Finished difference Result 11199 states and 14992 transitions. [2022-07-20 00:08:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:08:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 364 [2022-07-20 00:08:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:12,743 INFO L225 Difference]: With dead ends: 11199 [2022-07-20 00:08:12,743 INFO L226 Difference]: Without dead ends: 5610 [2022-07-20 00:08:12,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:08:12,751 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 3 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:12,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2395 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:08:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2022-07-20 00:08:13,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 5610. [2022-07-20 00:08:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 4511 states have (on average 1.3017069385945466) internal successors, (5872), 4524 states have internal predecessors, (5872), 737 states have call successors, (737), 319 states have call predecessors, (737), 361 states have return successors, (899), 766 states have call predecessors, (899), 737 states have call successors, (899) [2022-07-20 00:08:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 7508 transitions. [2022-07-20 00:08:13,021 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 7508 transitions. Word has length 364 [2022-07-20 00:08:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:13,022 INFO L495 AbstractCegarLoop]: Abstraction has 5610 states and 7508 transitions. [2022-07-20 00:08:13,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:08:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 7508 transitions. [2022-07-20 00:08:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-20 00:08:13,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:13,029 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:13,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:13,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:13,252 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:13,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:13,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1576084639, now seen corresponding path program 1 times [2022-07-20 00:08:13,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:13,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155516088] [2022-07-20 00:08:13,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:13,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:08:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:08:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:08:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-20 00:08:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 00:08:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-20 00:08:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:08:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 00:08:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 00:08:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 00:08:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:08:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 00:08:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 00:08:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:08:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 00:08:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:08:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:08:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 00:08:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:08:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 00:08:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:08:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 00:08:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:08:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2022-07-20 00:08:13,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:13,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155516088] [2022-07-20 00:08:13,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155516088] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:13,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692744739] [2022-07-20 00:08:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:13,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:13,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:13,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:08:13,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 00:08:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:14,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 3157 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-20 00:08:14,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 280 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-07-20 00:08:14,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:08:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-07-20 00:08:14,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692744739] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:08:14,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:08:14,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2022-07-20 00:08:14,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625122890] [2022-07-20 00:08:14,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:08:14,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-20 00:08:14,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:14,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-20 00:08:14,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:08:14,625 INFO L87 Difference]: Start difference. First operand 5610 states and 7508 transitions. Second operand has 16 states, 16 states have (on average 12.8125) internal successors, (205), 10 states have internal predecessors, (205), 2 states have call successors, (83), 7 states have call predecessors, (83), 5 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-20 00:08:17,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:18,922 INFO L93 Difference]: Finished difference Result 12990 states and 17607 transitions. [2022-07-20 00:08:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-20 00:08:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.8125) internal successors, (205), 10 states have internal predecessors, (205), 2 states have call successors, (83), 7 states have call predecessors, (83), 5 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) Word has length 369 [2022-07-20 00:08:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:18,941 INFO L225 Difference]: With dead ends: 12990 [2022-07-20 00:08:18,942 INFO L226 Difference]: Without dead ends: 7396 [2022-07-20 00:08:18,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=794, Unknown=0, NotChecked=0, Total=992 [2022-07-20 00:08:18,956 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 872 mSDsluCounter, 3983 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 642 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:18,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 4778 Invalid, 3039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 2396 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 00:08:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7396 states. [2022-07-20 00:08:19,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7396 to 5594. [2022-07-20 00:08:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5594 states, 4494 states have (on average 1.3006230529595015) internal successors, (5845), 4507 states have internal predecessors, (5845), 736 states have call successors, (736), 320 states have call predecessors, (736), 363 states have return successors, (899), 766 states have call predecessors, (899), 736 states have call successors, (899) [2022-07-20 00:08:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5594 states to 5594 states and 7480 transitions. [2022-07-20 00:08:19,265 INFO L78 Accepts]: Start accepts. Automaton has 5594 states and 7480 transitions. Word has length 369 [2022-07-20 00:08:19,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:19,265 INFO L495 AbstractCegarLoop]: Abstraction has 5594 states and 7480 transitions. [2022-07-20 00:08:19,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.8125) internal successors, (205), 10 states have internal predecessors, (205), 2 states have call successors, (83), 7 states have call predecessors, (83), 5 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-20 00:08:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5594 states and 7480 transitions. [2022-07-20 00:08:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-20 00:08:19,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:19,274 INFO L195 NwaCegarLoop]: trace histogram [18, 10, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:19,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:19,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-20 00:08:19,483 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1765176347, now seen corresponding path program 2 times [2022-07-20 00:08:19,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:19,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946935631] [2022-07-20 00:08:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:19,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:08:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:08:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 00:08:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 00:08:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-20 00:08:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:08:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 00:08:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 00:08:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:08:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:08:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:08:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:08:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 00:08:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:08:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 00:08:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:08:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-20 00:08:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:08:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 00:08:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 00:08:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-20 00:08:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:08:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:08:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2022-07-20 00:08:19,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:19,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946935631] [2022-07-20 00:08:19,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946935631] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:19,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053312483] [2022-07-20 00:08:19,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:08:19,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:19,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:19,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:08:19,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 00:08:22,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 00:08:22,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:08:22,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 3378 conjuncts, 38 conjunts are in the unsatisfiable core [2022-07-20 00:08:22,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-07-20 00:08:22,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:08:22,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053312483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:08:22,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:08:22,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2022-07-20 00:08:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354345959] [2022-07-20 00:08:22,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:08:22,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:08:22,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:22,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:08:22,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:08:22,830 INFO L87 Difference]: Start difference. First operand 5594 states and 7480 transitions. Second operand has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 00:08:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:23,120 INFO L93 Difference]: Finished difference Result 11183 states and 14952 transitions. [2022-07-20 00:08:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:08:23,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 388 [2022-07-20 00:08:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:23,135 INFO L225 Difference]: With dead ends: 11183 [2022-07-20 00:08:23,135 INFO L226 Difference]: Without dead ends: 5592 [2022-07-20 00:08:23,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2022-07-20 00:08:23,145 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 2 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4770 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:23,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4770 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:08:23,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5592 states. [2022-07-20 00:08:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5592 to 5592. [2022-07-20 00:08:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5592 states, 4493 states have (on average 1.30046739372357) internal successors, (5843), 4505 states have internal predecessors, (5843), 736 states have call successors, (736), 320 states have call predecessors, (736), 362 states have return successors, (898), 766 states have call predecessors, (898), 736 states have call successors, (898) [2022-07-20 00:08:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5592 states and 7477 transitions. [2022-07-20 00:08:23,404 INFO L78 Accepts]: Start accepts. Automaton has 5592 states and 7477 transitions. Word has length 388 [2022-07-20 00:08:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:23,404 INFO L495 AbstractCegarLoop]: Abstraction has 5592 states and 7477 transitions. [2022-07-20 00:08:23,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 00:08:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5592 states and 7477 transitions. [2022-07-20 00:08:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-07-20 00:08:23,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:23,411 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 11, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:23,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:23,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-20 00:08:23,625 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:23,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:23,626 INFO L85 PathProgramCache]: Analyzing trace with hash 42825474, now seen corresponding path program 3 times [2022-07-20 00:08:23,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:23,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858833042] [2022-07-20 00:08:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:23,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 00:08:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 00:08:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-20 00:08:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:08:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 00:08:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 00:08:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 00:08:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:08:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:08:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:08:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:08:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:08:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 00:08:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 00:08:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 00:08:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 00:08:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 00:08:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 00:08:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:08:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:08:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 00:08:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 00:08:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:08:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-07-20 00:08:24,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:24,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858833042] [2022-07-20 00:08:24,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858833042] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:24,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970965510] [2022-07-20 00:08:24,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-20 00:08:24,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:24,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:24,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:08:24,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-20 00:08:25,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-20 00:08:25,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:08:25,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-20 00:08:25,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-07-20 00:08:25,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:08:25,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970965510] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:08:25,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:08:25,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 15 [2022-07-20 00:08:25,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216832817] [2022-07-20 00:08:25,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:08:25,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:08:25,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:08:25,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:08:25,395 INFO L87 Difference]: Start difference. First operand 5592 states and 7477 transitions. Second operand has 10 states, 10 states have (on average 16.3) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:08:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:25,734 INFO L93 Difference]: Finished difference Result 12588 states and 16922 transitions. [2022-07-20 00:08:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:08:25,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 2 states have call successors, (34) Word has length 394 [2022-07-20 00:08:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:25,753 INFO L225 Difference]: With dead ends: 12588 [2022-07-20 00:08:25,753 INFO L226 Difference]: Without dead ends: 7058 [2022-07-20 00:08:25,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:08:25,764 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 221 mSDsluCounter, 8303 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 9375 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:25,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 9375 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:08:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states. [2022-07-20 00:08:26,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 5628. [2022-07-20 00:08:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5628 states, 4521 states have (on average 1.298606502986065) internal successors, (5871), 4529 states have internal predecessors, (5871), 736 states have call successors, (736), 320 states have call predecessors, (736), 370 states have return successors, (922), 778 states have call predecessors, (922), 736 states have call successors, (922) [2022-07-20 00:08:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5628 states to 5628 states and 7529 transitions. [2022-07-20 00:08:26,073 INFO L78 Accepts]: Start accepts. Automaton has 5628 states and 7529 transitions. Word has length 394 [2022-07-20 00:08:26,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:26,073 INFO L495 AbstractCegarLoop]: Abstraction has 5628 states and 7529 transitions. [2022-07-20 00:08:26,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:08:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5628 states and 7529 transitions. [2022-07-20 00:08:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-20 00:08:26,080 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:26,081 INFO L195 NwaCegarLoop]: trace histogram [18, 13, 13, 13, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:26,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:26,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:26,296 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:26,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash 930584124, now seen corresponding path program 4 times [2022-07-20 00:08:26,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:26,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354350097] [2022-07-20 00:08:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:26,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:08:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:08:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 00:08:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 00:08:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-20 00:08:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:08:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 00:08:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 00:08:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 00:08:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:08:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:08:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:08:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:08:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:08:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 00:08:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:08:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 00:08:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 00:08:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 00:08:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:08:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:08:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:08:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-20 00:08:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-20 00:08:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-20 00:08:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 00:08:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 00:08:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:08:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:08:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-07-20 00:08:26,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:08:26,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354350097] [2022-07-20 00:08:26,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354350097] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:08:26,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798291651] [2022-07-20 00:08:26,851 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-20 00:08:26,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:26,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:08:26,852 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:08:26,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-20 00:08:28,281 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-20 00:08:28,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:08:28,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 3456 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-20 00:08:28,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:08:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 403 proven. 112 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2022-07-20 00:08:28,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:08:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-07-20 00:08:28,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798291651] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:08:28,796 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:08:28,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 6] total 22 [2022-07-20 00:08:28,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585378217] [2022-07-20 00:08:28,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:08:28,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-20 00:08:28,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:08:28,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-20 00:08:28,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-07-20 00:08:28,798 INFO L87 Difference]: Start difference. First operand 5628 states and 7529 transitions. Second operand has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 17 states have internal predecessors, (207), 2 states have call successors, (79), 7 states have call predecessors, (79), 5 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-20 00:08:30,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:32,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:34,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:36,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:38,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:40,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:42,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:44,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:47,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:08:49,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:08:49,237 INFO L93 Difference]: Finished difference Result 12969 states and 17575 transitions. [2022-07-20 00:08:49,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-20 00:08:49,238 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 17 states have internal predecessors, (207), 2 states have call successors, (79), 7 states have call predecessors, (79), 5 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 406 [2022-07-20 00:08:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:08:49,259 INFO L225 Difference]: With dead ends: 12969 [2022-07-20 00:08:49,259 INFO L226 Difference]: Without dead ends: 7366 [2022-07-20 00:08:49,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 896 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=349, Invalid=1211, Unknown=0, NotChecked=0, Total=1560 [2022-07-20 00:08:49,271 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 646 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 486 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 5087 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:08:49,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 5087 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 2602 Invalid, 6 Unknown, 0 Unchecked, 19.5s Time] [2022-07-20 00:08:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7366 states. [2022-07-20 00:08:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7366 to 5634. [2022-07-20 00:08:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5634 states, 4527 states have (on average 1.2975480450629555) internal successors, (5874), 4535 states have internal predecessors, (5874), 736 states have call successors, (736), 320 states have call predecessors, (736), 370 states have return successors, (922), 778 states have call predecessors, (922), 736 states have call successors, (922) [2022-07-20 00:08:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5634 states to 5634 states and 7532 transitions. [2022-07-20 00:08:49,639 INFO L78 Accepts]: Start accepts. Automaton has 5634 states and 7532 transitions. Word has length 406 [2022-07-20 00:08:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:08:49,640 INFO L495 AbstractCegarLoop]: Abstraction has 5634 states and 7532 transitions. [2022-07-20 00:08:49,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.409090909090908) internal successors, (207), 17 states have internal predecessors, (207), 2 states have call successors, (79), 7 states have call predecessors, (79), 5 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-20 00:08:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5634 states and 7532 transitions. [2022-07-20 00:08:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-20 00:08:49,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:08:49,651 INFO L195 NwaCegarLoop]: trace histogram [24, 13, 13, 13, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:49,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-20 00:08:49,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:08:49,880 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:08:49,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:08:49,880 INFO L85 PathProgramCache]: Analyzing trace with hash 2119920604, now seen corresponding path program 5 times [2022-07-20 00:08:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:08:49,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46534633] [2022-07-20 00:08:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:08:49,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:08:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 00:08:51,596 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 00:08:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 00:08:54,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-20 00:08:54,033 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 00:08:54,034 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 00:08:54,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 00:08:54,040 INFO L356 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:08:54,045 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 00:08:54,111 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,112 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,112 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,113 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,114 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,114 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,114 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,114 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,115 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,115 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,115 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,115 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,115 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,116 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,116 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,116 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,116 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,116 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,116 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,117 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,117 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,117 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,118 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,118 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,118 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,118 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,118 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,118 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,119 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,119 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,119 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,119 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,119 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,120 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,120 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,120 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,120 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,120 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,121 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,121 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,126 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,126 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,126 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,126 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,127 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,127 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,127 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,127 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,127 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,127 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,128 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,128 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,128 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,129 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,129 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,129 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,129 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,129 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,129 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,130 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,130 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,130 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,131 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,131 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,131 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,131 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,131 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,132 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,132 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,132 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,132 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,132 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,133 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,133 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,133 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,133 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,133 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,133 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,134 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,134 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,134 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,134 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,135 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,135 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,135 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,135 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,136 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,136 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,136 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,136 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,136 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,136 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,137 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,137 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,137 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,137 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,137 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,138 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,138 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,138 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,138 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,138 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,139 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,139 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,139 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,139 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-20 00:08:54,139 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,139 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-20 00:08:54,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:08:54 BoogieIcfgContainer [2022-07-20 00:08:54,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 00:08:54,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 00:08:54,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 00:08:54,468 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 00:08:54,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:06:43" (3/4) ... [2022-07-20 00:08:54,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-20 00:08:54,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 00:08:54,472 INFO L158 Benchmark]: Toolchain (without parser) took 134967.21ms. Allocated memory was 121.6MB in the beginning and 851.4MB in the end (delta: 729.8MB). Free memory was 77.1MB in the beginning and 308.4MB in the end (delta: -231.3MB). Peak memory consumption was 497.4MB. Max. memory is 16.1GB. [2022-07-20 00:08:54,473 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:08:54,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 976.33ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 76.9MB in the beginning and 86.1MB in the end (delta: -9.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2022-07-20 00:08:54,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.48ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 74.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-20 00:08:54,475 INFO L158 Benchmark]: Boogie Preprocessor took 121.73ms. Allocated memory is still 159.4MB. Free memory was 74.4MB in the beginning and 107.9MB in the end (delta: -33.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-07-20 00:08:54,475 INFO L158 Benchmark]: RCFGBuilder took 3030.39ms. Allocated memory was 159.4MB in the beginning and 241.2MB in the end (delta: 81.8MB). Free memory was 107.9MB in the beginning and 159.1MB in the end (delta: -51.1MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. [2022-07-20 00:08:54,475 INFO L158 Benchmark]: TraceAbstraction took 130723.44ms. Allocated memory was 241.2MB in the beginning and 851.4MB in the end (delta: 610.3MB). Free memory was 159.1MB in the beginning and 308.4MB in the end (delta: -149.3MB). Peak memory consumption was 584.7MB. Max. memory is 16.1GB. [2022-07-20 00:08:54,476 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 851.4MB. Free memory is still 308.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:08:54,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 976.33ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 76.9MB in the beginning and 86.1MB in the end (delta: -9.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.48ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 74.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.73ms. Allocated memory is still 159.4MB. Free memory was 74.4MB in the beginning and 107.9MB in the end (delta: -33.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3030.39ms. Allocated memory was 159.4MB in the beginning and 241.2MB in the end (delta: 81.8MB). Free memory was 107.9MB in the beginning and 159.1MB in the end (delta: -51.1MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. * TraceAbstraction took 130723.44ms. Allocated memory was 241.2MB in the beginning and 851.4MB in the end (delta: 610.3MB). Free memory was 159.1MB in the beginning and 308.4MB in the end (delta: -149.3MB). Peak memory consumption was 584.7MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 851.4MB. Free memory is still 308.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * 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: 4715]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3478, overapproximation of bitwiseOr at line 3789. Possible FailurePath: [L3397] int LDV_IN_INTERRUPT = 1; [L3398] int ldv_state_variable_2 ; [L3399] struct usb_serial *kobil_device_group2 ; [L3400] int ref_cnt ; [L3401] struct usb_interface *kobil_driver_group1 ; [L3402] struct usb_serial_port *kobil_device_group0 ; [L3403] struct file *kobil_device_group1 ; [L3404] int ldv_state_variable_1 ; [L3405] int usb_counter ; [L3406] struct tty_struct *kobil_device_group3 ; [L3407] int ldv_state_variable_0 ; [L3561] static int debug ; [L3579-L3589] static struct usb_device_id const id_table[5U] = { {3U, 3398U, 8209U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3398U, 8210U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3398U, 120U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3398U, 129U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3590] struct usb_device_id const __mod_usb_device_table ; [L3591-L3596] static struct usb_driver kobil_driver = {"kobil", & usb_serial_probe, & usb_serial_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, 1U, (unsigned char)0, (unsigned char)0}; [L3597-L3604] static struct usb_serial_driver kobil_device = {"KOBIL USB smart card terminal", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"kobil", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & kobil_driver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & kobil_startup, 0, 0, & kobil_release, 0, 0, 0, 0, & kobil_open, & kobil_close, & kobil_write, & kobil_write_room, & kobil_ioctl, & kobil_set_termios, 0, 0, 0, 0, & kobil_tiocmget, & kobil_tiocmset, 0, 0, 0, & kobil_init_termios, & kobil_read_int_callback, 0, 0, 0, 0, 0}; [L4260] int ldv_retval_2 ; [L4262] int ldv_retval_0 ; [L4264] int ldv_retval_1 ; [L4266] int ldv_retval_3 ; [L4718] struct tty_struct *ldv_latest_tty ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L4294] unsigned char *ldvarg7 ; [L4295] void *tmp ; [L4296] unsigned int ldvarg3 ; [L4297] unsigned int ldvarg0 ; [L4298] struct urb *ldvarg5 ; [L4299] void *tmp___0 ; [L4300] int ldvarg6 ; [L4301] unsigned int ldvarg1 ; [L4302] struct ktermios *ldvarg4 ; [L4303] void *tmp___1 ; [L4304] unsigned long ldvarg2 ; [L4305] struct usb_device_id *ldvarg8 ; [L4306] void *tmp___2 ; [L4307] int tmp___3 ; [L4308] int tmp___4 ; [L4309] int tmp___5 ; [L4310] int tmp___6 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg6={55340232221128654866:0}, ref_cnt=0, usb_counter=0] [L4312] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, size=1, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1, \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, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-18446744073709551617:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}, usb_counter=0] [L4312] RET, EXPR ldv_init_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-18446744073709551617:0}, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg6={55340232221128654866:0}, ref_cnt=0, usb_counter=0] [L4312] tmp = ldv_init_zalloc(1UL) [L4313] ldvarg7 = (unsigned char *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, usb_counter=0] [L4314] CALL, EXPR ldv_malloc(192UL) VAL [\old(size)=192, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND FALSE !(tmp___0 != 0) [L3331] tmp = malloc(size) [L3332] p = tmp VAL [\old(size)=192, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-92233720368547758079:0}, ref_cnt=0, size=192, tmp={-92233720368547758079:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3333] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=192, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-92233720368547758079:0}, ref_cnt=0, size=192, tmp={-92233720368547758079:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=192, \result={-92233720368547758079:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-92233720368547758079:0}, ref_cnt=0, size=192, tmp={-92233720368547758079:0}, tmp___0=0, usb_counter=0] [L4314] RET, EXPR ldv_malloc(192UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_malloc(192UL)={-92233720368547758079:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, usb_counter=0] [L4314] tmp___0 = ldv_malloc(192UL) [L4315] CALL assume_abort_if_not((unsigned long )tmp___0 != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L4315] RET assume_abort_if_not((unsigned long )tmp___0 != (unsigned long )((void *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, usb_counter=0] [L4316] ldvarg5 = (struct urb *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, usb_counter=0] [L4317] CALL, EXPR ldv_init_zalloc(44UL) VAL [\old(size)=44, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=44, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, size=44, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=44, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={36893488147419103233:0}, ref_cnt=0, size=44, tmp={36893488147419103233:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=44, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={36893488147419103233:0}, ref_cnt=0, size=44, tmp={36893488147419103233:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=44, \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, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={36893488147419103233:0}, ref_cnt=0, size=44, tmp={36893488147419103233:0}, usb_counter=0] [L4317] RET, EXPR ldv_init_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(44UL)={36893488147419103233:0}, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, usb_counter=0] [L4317] tmp___1 = ldv_init_zalloc(44UL) [L4318] ldvarg4 = (struct ktermios *)tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, usb_counter=0] [L4319] CALL, EXPR ldv_init_zalloc(24UL) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-55340232221128654847:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, size=24, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-55340232221128654847:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654847:0}, ref_cnt=0, size=24, tmp={-55340232221128654847:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=24, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-55340232221128654847:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654847:0}, ref_cnt=0, size=24, tmp={-55340232221128654847:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=24, \result={-55340232221128654847:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-55340232221128654847:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654847:0}, ref_cnt=0, size=24, tmp={-55340232221128654847:0}, usb_counter=0] [L4319] RET, EXPR ldv_init_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(24UL)={-55340232221128654847:0}, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, usb_counter=0] [L4319] tmp___2 = ldv_init_zalloc(24UL) [L4320] ldvarg8 = (struct usb_device_id *)tmp___2 [L4321] CALL ldv_initialize() [L4722] CALL, EXPR ldv_malloc(sizeof(struct tty_struct)) VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND FALSE !(tmp___0 != 0) [L3331] tmp = malloc(size) [L3332] p = tmp VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654849:0}, ref_cnt=0, size=2516, tmp={-55340232221128654849:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3333] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654849:0}, ref_cnt=0, size=2516, tmp={-55340232221128654849:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=2516, \result={-55340232221128654849:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, p={-55340232221128654849:0}, ref_cnt=0, size=2516, tmp={-55340232221128654849:0}, tmp___0=0, usb_counter=0] [L4722] RET, EXPR ldv_malloc(sizeof(struct tty_struct)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_malloc(sizeof(struct tty_struct))={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L4722] ldv_latest_tty = ldv_malloc(sizeof(struct tty_struct)) [L4723] COND FALSE !((unsigned long )ldv_latest_tty == (unsigned long )((struct tty_struct *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L4321] RET ldv_initialize() [L4322] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3368] void *tmp ; [L3370] EXPR, FCALL memset(s, c, n) [L3370] tmp = memset(s, c, n) [L3371] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={55340232221128654863:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, c=0, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={55340232221128654863:0}, s={55340232221128654863:0}, tmp={55340232221128654863:0}, usb_counter=0] [L4322] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_memset((void *)(& ldvarg3), 0, 4UL)={55340232221128654863:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, usb_counter=0] [L4323] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3368] void *tmp ; [L3370] EXPR, FCALL memset(s, c, n) [L3370] tmp = memset(s, c, n) [L3371] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={55340232221128654851:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, c=0, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={55340232221128654851:0}, s={55340232221128654851:0}, tmp={55340232221128654851:0}, usb_counter=0] [L4323] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_memset((void *)(& ldvarg0), 0, 4UL)={55340232221128654851:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, usb_counter=0] [L4324] CALL ldv_memset((void *)(& ldvarg6), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3368] void *tmp ; [L3370] EXPR, FCALL memset(s, c, n) [L3370] tmp = memset(s, c, n) [L3371] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={55340232221128654866:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, c=0, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={55340232221128654866:0}, s={55340232221128654866:0}, tmp={55340232221128654866:0}, usb_counter=0] [L4324] RET ldv_memset((void *)(& ldvarg6), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_memset((void *)(& ldvarg6), 0, 4UL)={55340232221128654866:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, usb_counter=0] [L4325] CALL ldv_memset((void *)(& ldvarg1), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3368] void *tmp ; [L3370] EXPR, FCALL memset(s, c, n) [L3370] tmp = memset(s, c, n) [L3371] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={55340232221128654861:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, c=0, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=4, ref_cnt=0, s={55340232221128654861:0}, s={55340232221128654861:0}, tmp={55340232221128654861:0}, usb_counter=0] [L4325] RET ldv_memset((void *)(& ldvarg1), 0, 4UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_memset((void *)(& ldvarg1), 0, 4UL)={55340232221128654861:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, usb_counter=0] [L4326] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L3368] void *tmp ; [L3370] EXPR, FCALL memset(s, c, n) [L3370] tmp = memset(s, c, n) [L3371] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={55340232221128654865:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, c=0, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, n=8, ref_cnt=0, s={55340232221128654865:0}, s={55340232221128654865:0}, tmp={55340232221128654865:0}, usb_counter=0] [L4326] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_memset((void *)(& ldvarg2), 0, 8UL)={55340232221128654865:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, usb_counter=0] [L4327] ldv_state_variable_1 = 0 [L4328] ref_cnt = 0 [L4329] ldv_state_variable_0 = 1 [L4330] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, usb_counter=0] [L4332] tmp___3 = __VERIFIER_nondet_int() [L4334] case 0: [L4547] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=1, usb_counter=0] [L4548] COND TRUE ldv_state_variable_0 != 0 [L4549] tmp___5 = __VERIFIER_nondet_int() [L4551] case 0: [L4559] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4560] COND TRUE ldv_state_variable_0 == 1 [L4561] CALL, EXPR kobil_init() [L4231] int retval ; [L4233] CALL, EXPR usb_serial_register(& kobil_device) [L4845] return __VERIFIER_nondet_int(); [L4233] RET, EXPR usb_serial_register(& kobil_device) [L4233] retval = usb_serial_register(& kobil_device) [L4234] COND FALSE !(retval != 0) [L4238] CALL, EXPR usb_register(& kobil_driver) [L3476] int tmp ; [L3478] CALL, EXPR ldv_usb_register_driver_6(driver, & __this_module, "kobil_sct") [L4656] ldv_func_ret_type___0 ldv_func_res ; [L4657] int tmp ; [L4659] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4831] return __VERIFIER_nondet_int(); [L4659] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4659] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4660] ldv_func_res = tmp [L4661] ldv_state_variable_2 = 1 [L4662] usb_counter = 0 [L4663] CALL ldv_usb_driver_2() [L4285] void *tmp ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L4287] CALL, EXPR ldv_init_zalloc(1248UL) VAL [\old(size)=1248, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1248, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, size=1248, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=1248, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={-73786976294838206465:0}, ref_cnt=0, size=1248, tmp={-73786976294838206465:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1248, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={-73786976294838206465:0}, ref_cnt=0, size=1248, tmp={-73786976294838206465:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=1248, \result={-73786976294838206465:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-73786976294838206465:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, p={-73786976294838206465:0}, ref_cnt=0, size=1248, tmp={-73786976294838206465:0}, usb_counter=0] [L4287] RET, EXPR ldv_init_zalloc(1248UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1248UL)={-73786976294838206465:0}, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L4287] tmp = ldv_init_zalloc(1248UL) [L4288] kobil_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, tmp={-73786976294838206465:0}, usb_counter=0] [L4663] RET ldv_usb_driver_2() [L4664] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, ldv_func_arg1={100:0}, ldv_func_arg1={100:0}, ldv_func_arg2={55340232221128654882:55340232221128654870}, ldv_func_arg2={55340232221128654882:55340232221128654870}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, tmp=0, usb_counter=0] [L3478] RET, EXPR ldv_usb_register_driver_6(driver, & __this_module, "kobil_sct") [L3478] tmp = ldv_usb_register_driver_6(driver, & __this_module, "kobil_sct") [L3479] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, driver={100:0}, driver={100:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, tmp=0, usb_counter=0] [L4238] RET, EXPR usb_register(& kobil_driver) [L4238] retval = usb_register(& kobil_driver) [L4239] COND FALSE !(retval != 0) [L4244] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, retval=0, usb_counter=0] [L4561] RET, EXPR kobil_init() [L4561] ldv_retval_2 = kobil_init() [L4562] COND FALSE !(ldv_retval_2 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4567] COND TRUE ldv_retval_2 == 0 [L4568] ldv_state_variable_0 = 2 [L4569] ldv_state_variable_1 = 1 [L4570] CALL ldv_initialize_usb_serial_driver_1() [L4269] void *tmp ; [L4270] void *tmp___1 ; [L4271] void *tmp___2 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L4273] CALL, EXPR ldv_init_zalloc(2320UL) VAL [\old(size)=2320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={55340232221128654849:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, size=2320, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=2320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={55340232221128654849:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={55340232221128654849:0}, ref_cnt=0, size=2320, tmp={55340232221128654849:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={55340232221128654849:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={55340232221128654849:0}, ref_cnt=0, size=2320, tmp={55340232221128654849:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2320, \result={55340232221128654849:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={55340232221128654849:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={55340232221128654849:0}, ref_cnt=0, size=2320, tmp={55340232221128654849:0}, usb_counter=0] [L4273] RET, EXPR ldv_init_zalloc(2320UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2320UL)={55340232221128654849:0}, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L4273] tmp = ldv_init_zalloc(2320UL) [L4274] kobil_device_group0 = (struct usb_serial_port *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={55340232221128654849:0}, usb_counter=0] [L4275] CALL, EXPR ldv_malloc(sizeof(struct file)) VAL [\old(size)=316, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND TRUE tmp___0 != 0 [L3329] return ((void *)0); VAL [\old(size)=316, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, size=316, tmp___0=-2, usb_counter=0] [L4275] RET, EXPR ldv_malloc(sizeof(struct file)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(sizeof(struct file))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={55340232221128654849:0}, usb_counter=0] [L4275] kobil_device_group1 = ldv_malloc(sizeof(struct file)) [L4276] CALL, EXPR ldv_init_zalloc(280UL) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, size=280, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, ref_cnt=0, size=280, tmp={-92233720368547758081:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=280, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, ref_cnt=0, size=280, tmp={-92233720368547758081:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=280, \result={-92233720368547758081:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-92233720368547758081:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-92233720368547758081:0}, ref_cnt=0, size=280, tmp={-92233720368547758081:0}, usb_counter=0] [L4276] RET, EXPR ldv_init_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(280UL)={-92233720368547758081:0}, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={55340232221128654849:0}, usb_counter=0] [L4276] tmp___1 = ldv_init_zalloc(280UL) [L4277] kobil_device_group2 = (struct usb_serial *)tmp___1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={55340232221128654849:0}, tmp___1={-92233720368547758081:0}, usb_counter=0] [L4278] CALL, EXPR ldv_init_zalloc(2704UL) VAL [\old(size)=2704, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3357] void *p ; [L3358] void *tmp ; [L3360] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2704, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, size=2704, usb_counter=0] [L3360] tmp = calloc(1UL, size) [L3361] p = tmp VAL [\old(size)=2704, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-110680464442257309697:0}, ref_cnt=0, size=2704, tmp={-110680464442257309697:0}, usb_counter=0] [L3362] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L3362] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2704, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-110680464442257309697:0}, ref_cnt=0, size=2704, tmp={-110680464442257309697:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2704, \result={-110680464442257309697:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, calloc(1UL, size)={-110680464442257309697:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-110680464442257309697:0}, ref_cnt=0, size=2704, tmp={-110680464442257309697:0}, usb_counter=0] [L4278] RET, EXPR ldv_init_zalloc(2704UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={0:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2704UL)={-110680464442257309697:0}, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={55340232221128654849:0}, tmp___1={-92233720368547758081:0}, usb_counter=0] [L4278] tmp___2 = ldv_init_zalloc(2704UL) [L4279] kobil_device_group3 = (struct tty_struct *)tmp___2 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, tmp={55340232221128654849:0}, tmp___1={-92233720368547758081:0}, tmp___2={-110680464442257309697:0}, usb_counter=0] [L4570] RET ldv_initialize_usb_serial_driver_1() [L4332] tmp___3 = __VERIFIER_nondet_int() [L4334] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___5=1, usb_counter=0] [L4335] COND TRUE ldv_state_variable_1 != 0 [L4336] tmp___4 = __VERIFIER_nondet_int() [L4338] case 0: [L4346] case 1: [L4356] case 2: [L4363] case 3: [L4370] case 4: [L4392] case 5: [L4402] case 6: [L4424] case 7: [L4446] case 8: [L4454] case 9: [L4476] case 10: [L4498] case 11: [L4520] case 12: [L4532] case 13: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=13, tmp___5=1, usb_counter=0] [L4533] COND TRUE ldv_state_variable_1 == 1 [L4534] CALL ldv_probe_1() [L4777] return __VERIFIER_nondet_int(); [L4534] RET ldv_probe_1() [L4535] ldv_state_variable_1 = 2 [L4536] ref_cnt = ref_cnt + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=13, tmp___5=1, usb_counter=0] [L4332] tmp___3 = __VERIFIER_nondet_int() [L4334] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=13, tmp___5=1, usb_counter=0] [L4335] COND TRUE ldv_state_variable_1 != 0 [L4336] tmp___4 = __VERIFIER_nondet_int() [L4338] case 0: [L4346] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4347] COND TRUE ldv_state_variable_1 == 2 [L4348] CALL, EXPR kobil_startup(kobil_device_group2) [L3607] int i ; [L3608] struct kobil_private *priv ; [L3609] struct usb_device *pdev ; [L3610] struct usb_host_config *actconfig ; [L3611] struct usb_interface *interface ; [L3612] struct usb_host_interface *altsetting ; [L3613] struct usb_host_endpoint *endpoint ; [L3614] void *tmp ; [L3615] int tmp___0 ; [L3616] int tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, usb_counter=0] [L3618] CALL, EXPR kmalloc(320UL, 208U) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3298] void *tmp___1 ; [L3300] CALL, EXPR __kmalloc(size, flags) [L3293] CALL, EXPR ldv_malloc(size) VAL [\old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND FALSE !(tmp___0 != 0) [L3331] tmp = malloc(size) [L3332] p = tmp VAL [\old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, p={-36893488147419103231:0}, ref_cnt=1, size=320, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3333] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, p={-36893488147419103231:0}, ref_cnt=1, size=320, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=320, \result={-36893488147419103231:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, p={-36893488147419103231:0}, ref_cnt=1, size=320, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0] [L3293] RET, EXPR ldv_malloc(size) VAL [\old(size)=320, \old(t)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(size)={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, size=320, t=208, usb_counter=0] [L3293] return ldv_malloc(size); [L3300] RET, EXPR __kmalloc(size, flags) [L3300] tmp___1 = __kmalloc(size, flags) [L3301] return (tmp___1); VAL [\old(flags)=208, \old(size)=320, \result={-36893488147419103231:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, size=320, tmp___1={-36893488147419103231:0}, usb_counter=0] [L3618] RET, EXPR kmalloc(320UL, 208U) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kmalloc(320UL, 208U)={-36893488147419103231:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, usb_counter=0] [L3618] tmp = kmalloc(320UL, 208U) [L3619] priv = (struct kobil_private *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, priv={-36893488147419103231:0}, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-36893488147419103231:0}, usb_counter=0] [L3620] COND FALSE !((unsigned long )priv == (unsigned long )((struct kobil_private *)0)) [L3624] priv->filled = 0 [L3625] priv->cur_pos = 0 [L3626] EXPR serial->dev [L3626] EXPR (serial->dev)->descriptor.idProduct [L3626] priv->device_type = (serial->dev)->descriptor.idProduct [L3627] priv->device_type [L3628] case 8209: [L3642] EXPR serial->port[0] [L3642] CALL usb_set_serial_port_data(serial->port[0], (void *)priv) [L3529] FCALL dev_set_drvdata(& port->dev, data) [L3642] RET usb_set_serial_port_data(serial->port[0], (void *)priv) [L3643] EXPR serial->dev [L3643] pdev = serial->dev [L3644] EXPR pdev->actconfig [L3644] actconfig = pdev->actconfig [L3645] EXPR actconfig->interface[0] [L3645] interface = actconfig->interface[0] [L3646] EXPR interface->cur_altsetting [L3646] altsetting = interface->cur_altsetting [L3647] EXPR altsetting->endpoint [L3647] endpoint = altsetting->endpoint [L3648] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, actconfig={55340232221128654872:-5}, altsetting={55340232221128654875:-13}, debug=0, endpoint={55340232221128654880:55340232221128654887}, i=0, id_table={99:0}, interface={55340232221128654876:-11}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, pdev={55340232221128654879:103}, priv={-36893488147419103231:0}, priv->device_type=73745, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-36893488147419103231:0}, usb_counter=0] [L3674] EXPR altsetting->desc.bNumEndpoints VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, actconfig={55340232221128654872:-5}, altsetting={55340232221128654875:-13}, altsetting->desc.bNumEndpoints=256, debug=0, endpoint={55340232221128654880:55340232221128654887}, i=0, id_table={99:0}, interface={55340232221128654876:-11}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, pdev={55340232221128654879:103}, priv={-36893488147419103231:0}, priv->device_type=73745, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-36893488147419103231:0}, usb_counter=0] [L3674] COND FALSE !((int )altsetting->desc.bNumEndpoints > i) [L3678] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, actconfig={55340232221128654872:-5}, altsetting={55340232221128654875:-13}, debug=0, endpoint={55340232221128654880:55340232221128654887}, i=0, id_table={99:0}, interface={55340232221128654876:-11}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, pdev={55340232221128654879:103}, priv={-36893488147419103231:0}, priv->device_type=73745, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-36893488147419103231:0}, usb_counter=0] [L4348] RET, EXPR kobil_startup(kobil_device_group2) [L4348] ldv_retval_1 = kobil_startup(kobil_device_group2) [L4349] COND TRUE ldv_retval_1 == 0 [L4350] ldv_state_variable_1 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4332] tmp___3 = __VERIFIER_nondet_int() [L4334] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4335] COND TRUE ldv_state_variable_1 != 0 [L4336] tmp___4 = __VERIFIER_nondet_int() [L4338] case 0: [L4346] case 1: [L4356] case 2: [L4363] case 3: [L4370] case 4: [L4392] case 5: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0] [L4393] COND TRUE ldv_state_variable_1 == 3 [L4394] CALL, EXPR kobil_open(kobil_device_group3, kobil_device_group0) [L3717] int result ; [L3718] struct kobil_private *priv ; [L3719] unsigned char *transfer_buffer ; [L3720] int transfer_buffer_length ; [L3721] int write_urb_transfer_buffer_length ; [L3722] void *tmp ; [L3723] void *tmp___0 ; [L3724] unsigned int tmp___1 ; [L3725] unsigned int tmp___2 ; [L3726] unsigned int tmp___3 ; [L3727] unsigned int tmp___4 ; [L3729] result = 0 [L3730] transfer_buffer_length = 8 [L3731] write_urb_transfer_buffer_length = 8 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3732] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3737] CALL, EXPR usb_get_serial_port_data(port) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3520] void *tmp ; [L3522] CALL, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L4759] CALL, EXPR ldv_malloc(0UL) VAL [\old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND TRUE tmp___0 != 0 [L3329] return ((void *)0); VAL [\old(size)=0, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=0, tmp___0=-6, usb_counter=0] [L4759] RET, EXPR ldv_malloc(0UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, arg0={55340232221128654849:1064}, arg0={55340232221128654849:1064}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(0UL)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4759] return ldv_malloc(0UL); [L3522] RET, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L3522] tmp = dev_get_drvdata((struct device const *)(& port->dev)) [L3523] return (tmp); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, ref_cnt=1, tmp={0:0}, usb_counter=0] [L3737] RET, EXPR usb_get_serial_port_data(port) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, usb_get_serial_port_data(port)={0:0}, write_urb_transfer_buffer_length=8] [L3737] tmp = usb_get_serial_port_data(port) [L3738] priv = (struct kobil_private *)tmp [L3739] EXPR port->interrupt_in_urb [L3739] EXPR port->serial [L3739] EXPR (port->serial)->dev [L3739] (port->interrupt_in_urb)->dev = (port->serial)->dev [L3740] CALL, EXPR kzalloc((size_t )transfer_buffer_length, 208U) VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3307] void *tmp ; VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, usb_counter=0] [L3309] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3298] void *tmp___1 ; [L3300] CALL, EXPR __kmalloc(size, flags) [L3293] CALL, EXPR ldv_malloc(size) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND FALSE !(tmp___0 != 0) [L3331] tmp = malloc(size) [L3332] p = tmp VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-73786976294838206463:0}, ref_cnt=1, size=8, tmp={-73786976294838206463:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3333] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-73786976294838206463:0}, ref_cnt=1, size=8, tmp={-73786976294838206463:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=8, \result={-73786976294838206463:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-73786976294838206463:0}, ref_cnt=1, size=8, tmp={-73786976294838206463:0}, tmp___0=0, usb_counter=0] [L3293] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=41, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(size)={-73786976294838206463:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, t=41, usb_counter=0] [L3293] return ldv_malloc(size); [L3300] RET, EXPR __kmalloc(size, flags) [L3300] tmp___1 = __kmalloc(size, flags) [L3301] return (tmp___1); VAL [\old(flags)=41, \old(size)=8, \result={-73786976294838206463:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, flags=41, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, tmp___1={-73786976294838206463:0}, usb_counter=0] [L3309] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, flags=208, id_table={99:0}, kmalloc(size, flags | 32768U)={-73786976294838206463:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, usb_counter=0] [L3309] tmp = kmalloc(size, flags | 32768U) [L3310] return (tmp); VAL [\old(flags)=208, \old(size)=8, \result={-73786976294838206463:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, tmp={-73786976294838206463:0}, usb_counter=0] [L3740] RET, EXPR kzalloc((size_t )transfer_buffer_length, 208U) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, kzalloc((size_t )transfer_buffer_length, 208U)={-73786976294838206463:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3740] tmp___0 = kzalloc((size_t )transfer_buffer_length, 208U) [L3741] transfer_buffer = (unsigned char *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3742] COND FALSE !((unsigned long )transfer_buffer == (unsigned long )((unsigned char *)0U)) [L3746] EXPR port->write_urb VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3746] COND FALSE !((unsigned long )port->write_urb == (unsigned long )((struct urb *)0)) [L3765] EXPR port->write_urb VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3765-L3766] CALL, EXPR kmalloc((size_t )write_urb_transfer_buffer_length, 208U) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3298] void *tmp___1 ; [L3300] CALL, EXPR __kmalloc(size, flags) [L3293] CALL, EXPR ldv_malloc(size) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND FALSE !(tmp___0 != 0) [L3331] tmp = malloc(size) [L3332] p = tmp VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3333] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3319] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, cond=1, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3333] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=8, \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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=1, size=8, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L3293] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(size)={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, t=208, usb_counter=0] [L3293] return ldv_malloc(size); [L3300] RET, EXPR __kmalloc(size, flags) [L3300] tmp___1 = __kmalloc(size, flags) [L3301] return (tmp___1); VAL [\old(flags)=208, \old(size)=8, \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, __this_module={55340232221128654882:55340232221128654870}, debug=0, flags=208, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, size=8, tmp___1={-18446744073709551615:0}, usb_counter=0] [L3765-L3766] RET, EXPR kmalloc((size_t )write_urb_transfer_buffer_length, 208U) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kmalloc((size_t )write_urb_transfer_buffer_length, 208U)={-18446744073709551615:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3765-L3766] (port->write_urb)->transfer_buffer = kmalloc((size_t )write_urb_transfer_buffer_length, 208U) [L3767] EXPR port->write_urb [L3767] EXPR (port->write_urb)->transfer_buffer VAL [(port->write_urb)->transfer_buffer={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->write_urb={18446744073709551617:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3767] COND FALSE !((unsigned long )(port->write_urb)->transfer_buffer == (unsigned long )((void *)0)) [L3774] EXPR port->serial [L3774] EXPR (port->serial)->dev VAL [(port->serial)->dev={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3774] CALL, EXPR __create_pipe((port->serial)->dev, 0U) VAL [\old(endpoint)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, dev={-18446744073709551615:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3515] EXPR dev->devnum [L3515] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L3774] RET, EXPR __create_pipe((port->serial)->dev, 0U) VAL [(port->serial)->dev={-18446744073709551615:0}, __create_pipe((port->serial)->dev, 0U)=-3072, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3774] tmp___1 = __create_pipe((port->serial)->dev, 0U) [L3775] EXPR port->serial [L3775] EXPR (port->serial)->dev VAL [(port->serial)->dev={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3775-L3777] CALL, EXPR usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [\old(arg2)=16, \old(arg3)=194, \old(arg4)=2, \old(arg5)=0, \old(arg7)=8, \old(arg8)=500, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, arg0={-18446744073709551615:0}, arg6={-73786976294838206463:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4815] return __VERIFIER_nondet_int(); [L3775-L3777] RET, EXPR usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [(port->serial)->dev={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=0, usb_counter=0, write_urb_transfer_buffer_length=8] [L3775-L3777] result = usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) [L3778] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3783] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3788] EXPR port->serial [L3788] EXPR (port->serial)->dev VAL [(port->serial)->dev={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3788] CALL, EXPR __create_pipe((port->serial)->dev, 0U) VAL [\old(endpoint)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, dev={-18446744073709551615:0}, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3515] EXPR dev->devnum [L3515] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L3788] RET, EXPR __create_pipe((port->serial)->dev, 0U) VAL [(port->serial)->dev={-18446744073709551615:0}, __create_pipe((port->serial)->dev, 0U)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3788] tmp___2 = __create_pipe((port->serial)->dev, 0U) [L3789] EXPR port->serial [L3789] EXPR (port->serial)->dev VAL [(port->serial)->dev={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3789-L3791] CALL, EXPR usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [\old(arg2)=16, \old(arg3)=194, \old(arg4)=1, \old(arg5)=0, \old(arg7)=8, \old(arg8)=500, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, arg0={-18446744073709551615:0}, arg6={-73786976294838206463:0}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4815] return __VERIFIER_nondet_int(); [L3789-L3791] RET, EXPR usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [(port->serial)->dev={-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, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, port->serial={18446744073709551617:96}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=0, usb_counter=0, write_urb_transfer_buffer_length=8] [L3789-L3791] result = usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) [L3792] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3797] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3802] EXPR priv->device_type [L3802] (unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U [L3802] EXPR priv->device_type [L3802] (unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U VAL [(unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, priv->device_type=113, priv->device_type=113, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3802] COND FALSE !((unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U) [L3821] EXPR priv->device_type [L3821] EXPR (unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U [L3821] EXPR priv->device_type [L3821] EXPR (unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U VAL [(unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, priv->device_type=113, priv->device_type=113, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3821] ((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U [L3821] EXPR priv->device_type [L3821] ((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U VAL [((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U=0, (unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, priv->device_type=113, priv->device_type=113, priv->device_type=113, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3821] COND FALSE !(((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U) [L3830] CALL kfree((void const *)transfer_buffer) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, p={-73786976294838206463:0}, ref_cnt=1, usb_counter=0] [L3830] RET kfree((void const *)transfer_buffer) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3831] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, port={55340232221128654849:0}, port={55340232221128654849:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=4294964224, tmp___2=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={-110680464442257309697:0}, tty={-110680464442257309697:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4394] RET, EXPR kobil_open(kobil_device_group3, kobil_device_group0) [L4394] ldv_retval_0 = kobil_open(kobil_device_group3, kobil_device_group0) [L4395] COND TRUE ldv_retval_0 == 0 [L4396] ldv_state_variable_1 = 4 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0] [L4332] tmp___3 = __VERIFIER_nondet_int() [L4334] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0] [L4335] COND TRUE ldv_state_variable_1 != 0 [L4336] tmp___4 = __VERIFIER_nondet_int() [L4338] case 0: [L4346] case 1: [L4356] case 2: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ldvarg0={55340232221128654851:0}, ldvarg1={55340232221128654861:0}, ldvarg2={55340232221128654865:0}, ldvarg3={55340232221128654863:0}, ldvarg4={36893488147419103233:0}, ldvarg5={-92233720368547758079:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-55340232221128654847:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-92233720368547758079:0}, tmp___1={36893488147419103233:0}, tmp___2={-55340232221128654847:0}, tmp___3=0, tmp___4=2, tmp___5=1, usb_counter=0] [L4357] COND TRUE ldv_state_variable_1 == 4 [L4358] CALL kobil_read_int_callback(ldvarg5) [L3855] int result ; [L3856] struct usb_serial_port *port ; [L3857] struct tty_struct *tty ; [L3858] unsigned char *data ; [L3859] int status ; [L3861] EXPR urb->context [L3861] port = (struct usb_serial_port *)urb->context [L3862] EXPR urb->transfer_buffer [L3862] data = (unsigned char *)urb->transfer_buffer [L3863] EXPR urb->status [L3863] status = urb->status [L3864] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, data={55340232221128654886:55340232221128654869}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, port={55340232221128654890:-16}, ref_cnt=1, status=0, urb={-92233720368547758079:0}, urb={-92233720368547758079:0}, usb_counter=0] [L3869] COND FALSE !(status != 0) [L3878] CALL, EXPR ldv_tty_port_tty_get_7(& port->port) [L4669] ldv_func_ret_type___1 ldv_func_res ; [L4670] struct tty_struct *tmp ; [L4672] CALL, EXPR tty_port_tty_get(ldv_func_arg1) [L4808] CALL, EXPR ldv_malloc(sizeof(struct tty_struct)) VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L3323] void *p ; [L3324] void *tmp ; [L3325] int tmp___0 ; [L3327] tmp___0 = __VERIFIER_nondet_int() [L3328] COND TRUE tmp___0 != 0 [L3329] return ((void *)0); VAL [\old(size)=2516, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, size=2516, tmp___0=-10, usb_counter=0] [L4808] RET, EXPR ldv_malloc(sizeof(struct tty_struct)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, arg0={55340232221128654890:-8}, arg0={55340232221128654890:-8}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(sizeof(struct tty_struct))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4808] return ldv_malloc(sizeof(struct tty_struct)); [L4672] RET, EXPR tty_port_tty_get(ldv_func_arg1) [L4672] tmp = tty_port_tty_get(ldv_func_arg1) [L4673] ldv_func_res = tmp [L4674] CALL ldv_got_tty(ldv_func_res) [L4744] ldv_latest_tty = tty VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, tty={0:0}, tty={0:0}, usb_counter=0] [L4674] RET ldv_got_tty(ldv_func_res) [L4675] return (ldv_func_res); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, ldv_func_arg1={55340232221128654890:-8}, ldv_func_arg1={55340232221128654890:-8}, ldv_func_res={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, tmp={0:0}, usb_counter=0] [L3878] RET, EXPR ldv_tty_port_tty_get_7(& port->port) [L3878] tty = ldv_tty_port_tty_get_7(& port->port) [L3879] EXPR urb->actual_length VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, data={55340232221128654886:55340232221128654869}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, port={55340232221128654890:-16}, ref_cnt=1, status=0, tty={0:0}, urb={-92233720368547758079:0}, urb={-92233720368547758079:0}, urb->actual_length=-4294967297, usb_counter=0] [L3879] COND TRUE urb->actual_length != 0U [L3880] EXPR urb->actual_length [L3880] CALL tty_insert_flip_string(tty, (unsigned char const *)data, (size_t )urb->actual_length) [L4636] int tmp ; VAL [\old(size)=4294967295, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, a={0:0}, a={0:0}, chars={55340232221128654886:55340232221128654869}, chars={55340232221128654886:55340232221128654869}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, size=4294967295, usb_counter=0] [L4638] CALL ldv_check_tty(a) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4751] COND TRUE (unsigned long )tty == (unsigned long )ldv_latest_tty && (unsigned long )tty == (unsigned long )((struct tty_struct *)0) [L4752] CALL ldv_error() [L4715] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654882:55340232221128654870}, debug=0, id_table={99:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={-110680464442257309697:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 600 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 130.3s, OverallIterations: 21, TraceHistogramMax: 24, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 104.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 mSolverCounterUnknown, 17421 SdHoareTripleChecker+Valid, 99.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16784 mSDsluCounter, 74588 SdHoareTripleChecker+Invalid, 94.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55518 mSDsCounter, 8950 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21292 IncrementalHoareTripleChecker+Invalid, 30273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8950 mSolverCounterUnsat, 19070 mSDtfsCounter, 21292 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5059 GetRequests, 4809 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5634occurred in iteration=20, InterpolantAutomatonStates: 185, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 18239 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 8787 NumberOfCodeBlocks, 8630 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 9121 ConstructedInterpolants, 0 QuantifiedInterpolants, 14114 SizeOfPredicates, 38 NumberOfNonLiveVariables, 21375 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 15838/16050 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-20 00:08:54,533 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 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.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 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:08:56,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:08:56,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:08:56,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:08:56,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:08:56,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:08:56,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:08:56,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:08:56,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:08:56,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:08:56,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:08:56,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:08:56,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:08:56,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:08:56,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:08:56,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:08:56,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:08:56,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:08:56,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:08:56,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:08:56,719 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:08:56,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:08:56,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:08:56,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:08:56,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:08:56,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:08:56,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:08:56,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:08:56,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:08:56,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:08:56,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:08:56,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:08:56,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:08:56,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:08:56,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:08:56,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:08:56,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:08:56,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:08:56,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:08:56,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:08:56,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:08:56,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:08:56,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:08:56,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:08:56,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:08:56,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:08:56,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:08:56,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:08:56,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:08:56,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:08:56,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:08:56,781 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:08:56,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:08:56,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:08:56,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:08:56,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:08:56,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:08:56,783 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:08:56,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:08:56,783 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:08:56,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:08:56,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:08:56,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:08:56,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:08:56,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:08:56,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:08:56,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:08:56,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:08:56,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:08:56,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:08:56,785 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:08:56,785 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:08:56,785 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:08:56,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:08:56,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:08:56,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:08:56,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2022-07-20 00:08:57,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:08:57,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:08:57,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:08:57,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:08:57,154 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:08:57,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:08:57,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3db72529/d4057ced4e1b4cb9b647047b575c567e/FLAGe466f5ef0 [2022-07-20 00:08:57,870 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:08:57,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:08:57,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3db72529/d4057ced4e1b4cb9b647047b575c567e/FLAGe466f5ef0 [2022-07-20 00:08:58,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3db72529/d4057ced4e1b4cb9b647047b575c567e [2022-07-20 00:08:58,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:08:58,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:08:58,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:08:58,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:08:58,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:08:58,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:08:58" (1/1) ... [2022-07-20 00:08:58,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513cb219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:58, skipping insertion in model container [2022-07-20 00:08:58,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:08:58" (1/1) ... [2022-07-20 00:08:58,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:08:58,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:08:59,025 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-20 00:08:59,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:08:59,093 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:08:59,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:08:59,299 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-20 00:08:59,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:08:59,332 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:08:59,574 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-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i[144238,144251] [2022-07-20 00:08:59,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:08:59,636 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:08:59,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59 WrapperNode [2022-07-20 00:08:59,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:08:59,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:08:59,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:08:59,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:08:59,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,793 INFO L137 Inliner]: procedures = 130, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1849 [2022-07-20 00:08:59,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:08:59,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:08:59,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:08:59,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:08:59,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:08:59,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:08:59,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:08:59,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:08:59,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (1/1) ... [2022-07-20 00:08:59,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:08:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:09:00,005 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) [2022-07-20 00:09:00,031 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 [2022-07-20 00:09:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:09:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 00:09:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 00:09:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:09:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:09:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:09:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:09:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:09:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:09:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:09:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:09:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:09:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-20 00:09:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-20 00:09:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:09:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:09:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 00:09:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 00:09:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:09:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:09:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 00:09:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 00:09:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:09:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:09:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-20 00:09:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-20 00:09:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:09:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:09:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:09:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:09:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-20 00:09:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-20 00:09:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:09:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:09:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:09:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:09:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-20 00:09:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-20 00:09:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:09:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:09:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:09:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:09:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-20 00:09:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-20 00:09:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-20 00:09:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-20 00:09:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:09:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:09:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:09:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:09:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:09:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:09:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-20 00:09:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-20 00:09:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 00:09:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 00:09:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 00:09:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 00:09:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:09:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-20 00:09:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:09:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:09:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 00:09:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-20 00:09:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-20 00:09:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-20 00:09:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-20 00:09:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:09:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:09:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:09:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:09:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:09:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-20 00:09:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-20 00:09:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:09:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:09:00,607 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:09:00,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:09:00,801 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:09:18,644 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:09:18,662 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:09:18,662 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:09:18,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:09:18 BoogieIcfgContainer [2022-07-20 00:09:18,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:09:18,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:09:18,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:09:18,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:09:18,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:08:58" (1/3) ... [2022-07-20 00:09:18,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3973ee6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:09:18, skipping insertion in model container [2022-07-20 00:09:18,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:08:59" (2/3) ... [2022-07-20 00:09:18,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3973ee6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:09:18, skipping insertion in model container [2022-07-20 00:09:18,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:09:18" (3/3) ... [2022-07-20 00:09:18,676 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:09:18,692 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:09:18,692 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:09:18,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:09:18,771 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2c84253a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@218afe7f [2022-07-20 00:09:18,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:09:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 587 states, 446 states have (on average 1.4103139013452914) internal successors, (629), 453 states have internal predecessors, (629), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2022-07-20 00:09:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-20 00:09:18,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:18,805 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:09:18,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:18,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:18,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1370803934, now seen corresponding path program 1 times [2022-07-20 00:09:18,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:18,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30947866] [2022-07-20 00:09:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:09:18,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:18,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:18,833 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) [2022-07-20 00:09:18,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:09:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:09:19,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:09:19,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-20 00:09:19,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:09:19,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:19,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30947866] [2022-07-20 00:09:19,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30947866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:09:19,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:09:19,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:09:19,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331558457] [2022-07-20 00:09:19,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:09:19,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:09:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:19,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:09:19,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:09:19,603 INFO L87 Difference]: Start difference. First operand has 587 states, 446 states have (on average 1.4103139013452914) internal successors, (629), 453 states have internal predecessors, (629), 114 states have call successors, (114), 26 states have call predecessors, (114), 25 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 00:09:19,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:19,696 INFO L93 Difference]: Finished difference Result 1170 states and 1751 transitions. [2022-07-20 00:09:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:09:19,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2022-07-20 00:09:19,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:19,712 INFO L225 Difference]: With dead ends: 1170 [2022-07-20 00:09:19,712 INFO L226 Difference]: Without dead ends: 571 [2022-07-20 00:09:19,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:09:19,733 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 849 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 [2022-07-20 00:09:19,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:09:19,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-07-20 00:09:19,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-07-20 00:09:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 437 states have (on average 1.3981693363844394) internal successors, (611), 438 states have internal predecessors, (611), 108 states have call successors, (108), 25 states have call predecessors, (108), 25 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2022-07-20 00:09:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 827 transitions. [2022-07-20 00:09:19,816 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 827 transitions. Word has length 128 [2022-07-20 00:09:19,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:19,817 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 827 transitions. [2022-07-20 00:09:19,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 00:09:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 827 transitions. [2022-07-20 00:09:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-20 00:09:19,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:19,822 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:09:19,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:20,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:20,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash 948643174, now seen corresponding path program 1 times [2022-07-20 00:09:20,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:20,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653769397] [2022-07-20 00:09:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:09:20,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:20,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:20,039 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) [2022-07-20 00:09:20,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:09:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:09:20,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 00:09:20,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-20 00:09:21,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:09:21,530 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:21,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653769397] [2022-07-20 00:09:21,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653769397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:09:21,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:09:21,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:09:21,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848763320] [2022-07-20 00:09:21,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:09:21,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:09:21,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:21,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:09:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:09:21,545 INFO L87 Difference]: Start difference. First operand 571 states and 827 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 00:09:22,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:22,288 INFO L93 Difference]: Finished difference Result 1139 states and 1655 transitions. [2022-07-20 00:09:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:09:22,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 128 [2022-07-20 00:09:22,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:22,294 INFO L225 Difference]: With dead ends: 1139 [2022-07-20 00:09:22,294 INFO L226 Difference]: Without dead ends: 573 [2022-07-20 00:09:22,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:09:22,301 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 2 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:09:22,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4907 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 00:09:22,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-07-20 00:09:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2022-07-20 00:09:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 438 states have (on average 1.3972602739726028) internal successors, (612), 440 states have internal predecessors, (612), 108 states have call successors, (108), 25 states have call predecessors, (108), 26 states have return successors, (114), 108 states have call predecessors, (114), 108 states have call successors, (114) [2022-07-20 00:09:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 834 transitions. [2022-07-20 00:09:22,325 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 834 transitions. Word has length 128 [2022-07-20 00:09:22,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:22,325 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 834 transitions. [2022-07-20 00:09:22,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 00:09:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 834 transitions. [2022-07-20 00:09:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-20 00:09:22,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:22,327 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 00:09:22,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:22,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:22,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:22,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:22,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1579561543, now seen corresponding path program 1 times [2022-07-20 00:09:22,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:22,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095411343] [2022-07-20 00:09:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:09:22,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:22,553 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) [2022-07-20 00:09:22,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:09:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:09:23,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:09:23,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-07-20 00:09:23,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:09:23,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:23,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095411343] [2022-07-20 00:09:23,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095411343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:09:23,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:09:23,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:09:23,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332666846] [2022-07-20 00:09:23,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:09:23,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:09:23,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:23,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:09:23,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:09:23,663 INFO L87 Difference]: Start difference. First operand 573 states and 834 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:09:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:24,201 INFO L93 Difference]: Finished difference Result 1155 states and 1669 transitions. [2022-07-20 00:09:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:09:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2022-07-20 00:09:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:24,205 INFO L225 Difference]: With dead ends: 1155 [2022-07-20 00:09:24,205 INFO L226 Difference]: Without dead ends: 593 [2022-07-20 00:09:24,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:09:24,207 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 39 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3281 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:09:24,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3281 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:09:24,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-07-20 00:09:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 591. [2022-07-20 00:09:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 450 states have (on average 1.3866666666666667) internal successors, (624), 451 states have internal predecessors, (624), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-20 00:09:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 846 transitions. [2022-07-20 00:09:24,239 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 846 transitions. Word has length 134 [2022-07-20 00:09:24,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:24,241 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 846 transitions. [2022-07-20 00:09:24,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:09:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 846 transitions. [2022-07-20 00:09:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-20 00:09:24,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:24,247 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 00:09:24,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:24,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:24,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:24,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:24,474 INFO L85 PathProgramCache]: Analyzing trace with hash -356464088, now seen corresponding path program 2 times [2022-07-20 00:09:24,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:24,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883802334] [2022-07-20 00:09:24,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:09:24,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:24,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:24,488 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) [2022-07-20 00:09:24,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:09:33,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 00:09:33,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:09:33,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:09:33,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-07-20 00:09:33,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:09:33,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:33,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883802334] [2022-07-20 00:09:33,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883802334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:09:33,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:09:33,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:09:33,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652633690] [2022-07-20 00:09:33,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:09:33,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:09:33,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:33,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:09:33,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 00:09:33,473 INFO L87 Difference]: Start difference. First operand 591 states and 846 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:09:33,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:33,742 INFO L93 Difference]: Finished difference Result 1149 states and 1658 transitions. [2022-07-20 00:09:33,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:09:33,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2022-07-20 00:09:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:33,746 INFO L225 Difference]: With dead ends: 1149 [2022-07-20 00:09:33,746 INFO L226 Difference]: Without dead ends: 592 [2022-07-20 00:09:33,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:09:33,754 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 3 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:09:33,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2464 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:09:33,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-07-20 00:09:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2022-07-20 00:09:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 451 states have (on average 1.3858093126385809) internal successors, (625), 452 states have internal predecessors, (625), 111 states have call successors, (111), 29 states have call predecessors, (111), 29 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-20 00:09:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 847 transitions. [2022-07-20 00:09:33,776 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 847 transitions. Word has length 140 [2022-07-20 00:09:33,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:33,778 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 847 transitions. [2022-07-20 00:09:33,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:09:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 847 transitions. [2022-07-20 00:09:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-20 00:09:33,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:33,780 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 00:09:33,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:33,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:33,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:33,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2069020180, now seen corresponding path program 1 times [2022-07-20 00:09:33,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:33,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583292290] [2022-07-20 00:09:33,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:09:33,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:33,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:33,989 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) [2022-07-20 00:09:33,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:09:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:09:34,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:09:34,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-20 00:09:35,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:09:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-07-20 00:09:35,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:35,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583292290] [2022-07-20 00:09:35,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583292290] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:09:35,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:09:35,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-20 00:09:35,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692328341] [2022-07-20 00:09:35,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:09:35,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:09:35,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:35,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:09:35,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:09:35,854 INFO L87 Difference]: Start difference. First operand 592 states and 847 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:09:37,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:37,062 INFO L93 Difference]: Finished difference Result 1160 states and 1676 transitions. [2022-07-20 00:09:37,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:09:37,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 145 [2022-07-20 00:09:37,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:37,067 INFO L225 Difference]: With dead ends: 1160 [2022-07-20 00:09:37,067 INFO L226 Difference]: Without dead ends: 602 [2022-07-20 00:09:37,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:09:37,070 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 19 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2467 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:09:37,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2467 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 00:09:37,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-07-20 00:09:37,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2022-07-20 00:09:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 460 states have (on average 1.3847826086956523) internal successors, (637), 461 states have internal predecessors, (637), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-20 00:09:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 859 transitions. [2022-07-20 00:09:37,085 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 859 transitions. Word has length 145 [2022-07-20 00:09:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:37,085 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 859 transitions. [2022-07-20 00:09:37,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:09:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 859 transitions. [2022-07-20 00:09:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-20 00:09:37,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:37,087 INFO L195 NwaCegarLoop]: trace histogram [18, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 00:09:37,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:37,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:37,297 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:37,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:37,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1191971032, now seen corresponding path program 2 times [2022-07-20 00:09:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:37,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400593037] [2022-07-20 00:09:37,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:09:37,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:37,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:37,302 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) [2022-07-20 00:09:37,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 00:09:46,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 00:09:46,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:09:46,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:09:46,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-07-20 00:09:46,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:09:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:09:48,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:48,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400593037] [2022-07-20 00:09:48,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400593037] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:09:48,088 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:09:48,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-20 00:09:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808086890] [2022-07-20 00:09:48,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:09:48,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:09:48,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:09:48,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:09:48,090 INFO L87 Difference]: Start difference. First operand 602 states and 859 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 00:09:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:50,055 INFO L93 Difference]: Finished difference Result 1153 states and 1659 transitions. [2022-07-20 00:09:50,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 00:09:50,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2022-07-20 00:09:50,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:50,060 INFO L225 Difference]: With dead ends: 1153 [2022-07-20 00:09:50,060 INFO L226 Difference]: Without dead ends: 606 [2022-07-20 00:09:50,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:09:50,063 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 36 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:09:50,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 3274 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 00:09:50,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2022-07-20 00:09:50,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2022-07-20 00:09:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 464 states have (on average 1.3771551724137931) internal successors, (639), 465 states have internal predecessors, (639), 111 states have call successors, (111), 30 states have call predecessors, (111), 30 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-07-20 00:09:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 861 transitions. [2022-07-20 00:09:50,076 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 861 transitions. Word has length 158 [2022-07-20 00:09:50,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:50,077 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 861 transitions. [2022-07-20 00:09:50,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 00:09:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 861 transitions. [2022-07-20 00:09:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-20 00:09:50,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:50,080 INFO L195 NwaCegarLoop]: trace histogram [22, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 00:09:50,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:50,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:50,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:50,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:50,300 INFO L85 PathProgramCache]: Analyzing trace with hash -42497240, now seen corresponding path program 3 times [2022-07-20 00:09:50,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:50,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678645650] [2022-07-20 00:09:50,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-20 00:09:50,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:50,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:50,302 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) [2022-07-20 00:09:50,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 00:09:58,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-20 00:09:58,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:09:58,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:09:58,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:09:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2022-07-20 00:09:58,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:09:58,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:09:58,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678645650] [2022-07-20 00:09:58,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678645650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:09:58,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:09:58,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:09:58,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513284084] [2022-07-20 00:09:58,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:09:58,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:09:58,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:09:58,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:09:58,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:09:58,637 INFO L87 Difference]: Start difference. First operand 606 states and 861 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:09:59,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:09:59,667 INFO L93 Difference]: Finished difference Result 1201 states and 1718 transitions. [2022-07-20 00:09:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:09:59,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 162 [2022-07-20 00:09:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:09:59,670 INFO L225 Difference]: With dead ends: 1201 [2022-07-20 00:09:59,670 INFO L226 Difference]: Without dead ends: 661 [2022-07-20 00:09:59,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:09:59,672 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 114 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:09:59,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1514 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 00:09:59,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-07-20 00:09:59,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2022-07-20 00:09:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 511 states have (on average 1.3737769080234834) internal successors, (702), 513 states have internal predecessors, (702), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-07-20 00:09:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 932 transitions. [2022-07-20 00:09:59,686 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 932 transitions. Word has length 162 [2022-07-20 00:09:59,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:09:59,686 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 932 transitions. [2022-07-20 00:09:59,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 00:09:59,687 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 932 transitions. [2022-07-20 00:09:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-07-20 00:09:59,688 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:09:59,689 INFO L195 NwaCegarLoop]: trace histogram [22, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:09:59,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 00:09:59,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:09:59,906 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:09:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:09:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1102966684, now seen corresponding path program 1 times [2022-07-20 00:09:59,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:09:59,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124968929] [2022-07-20 00:09:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:09:59,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:09:59,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:09:59,909 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) [2022-07-20 00:09:59,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 00:10:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:10:01,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-20 00:10:01,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:10:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 330 proven. 21 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-20 00:10:02,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:10:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-07-20 00:10:05,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:10:05,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124968929] [2022-07-20 00:10:05,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124968929] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:10:05,923 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:10:05,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-20 00:10:05,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027397562] [2022-07-20 00:10:05,923 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:10:05,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-20 00:10:05,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:10:05,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-20 00:10:05,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:10:05,925 INFO L87 Difference]: Start difference. First operand 661 states and 932 transitions. Second operand has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:10:09,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:10:09,399 INFO L93 Difference]: Finished difference Result 1301 states and 1851 transitions. [2022-07-20 00:10:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 00:10:09,408 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 230 [2022-07-20 00:10:09,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:10:09,411 INFO L225 Difference]: With dead ends: 1301 [2022-07-20 00:10:09,411 INFO L226 Difference]: Without dead ends: 671 [2022-07-20 00:10:09,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2022-07-20 00:10:09,416 INFO L413 NwaCegarLoop]: 824 mSDtfsCounter, 79 mSDsluCounter, 6556 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 7380 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:10:09,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 7380 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-20 00:10:09,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-07-20 00:10:09,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 665. [2022-07-20 00:10:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 515 states have (on average 1.3728155339805825) internal successors, (707), 517 states have internal predecessors, (707), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-07-20 00:10:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 937 transitions. [2022-07-20 00:10:09,433 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 937 transitions. Word has length 230 [2022-07-20 00:10:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:10:09,433 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 937 transitions. [2022-07-20 00:10:09,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.555555555555555) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:10:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 937 transitions. [2022-07-20 00:10:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-20 00:10:09,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:10:09,436 INFO L195 NwaCegarLoop]: trace histogram [24, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:10:09,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 00:10:09,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:10:09,647 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:10:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:10:09,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2074666396, now seen corresponding path program 2 times [2022-07-20 00:10:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:10:09,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626519412] [2022-07-20 00:10:09,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:10:09,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:10:09,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:10:09,650 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) [2022-07-20 00:10:09,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 00:10:10,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:10:10,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:10:10,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:10:10,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:10:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:10:13,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:10:13,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:10:13,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626519412] [2022-07-20 00:10:13,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626519412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:10:13,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:10:13,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:10:13,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143627461] [2022-07-20 00:10:13,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:10:13,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:10:13,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:10:13,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:10:13,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:10:13,664 INFO L87 Difference]: Start difference. First operand 665 states and 937 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 00:10:13,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:10:13,935 INFO L93 Difference]: Finished difference Result 1260 states and 1805 transitions. [2022-07-20 00:10:13,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:10:13,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 232 [2022-07-20 00:10:13,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:10:13,938 INFO L225 Difference]: With dead ends: 1260 [2022-07-20 00:10:13,938 INFO L226 Difference]: Without dead ends: 665 [2022-07-20 00:10:13,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:10:13,940 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 705 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:10:13,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 770 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 00:10:13,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-20 00:10:13,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2022-07-20 00:10:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 515 states have (on average 1.3184466019417476) internal successors, (679), 517 states have internal predecessors, (679), 115 states have call successors, (115), 34 states have call predecessors, (115), 34 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-07-20 00:10:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 909 transitions. [2022-07-20 00:10:13,954 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 909 transitions. Word has length 232 [2022-07-20 00:10:13,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:10:13,956 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 909 transitions. [2022-07-20 00:10:13,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 00:10:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 909 transitions. [2022-07-20 00:10:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-20 00:10:13,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:10:13,959 INFO L195 NwaCegarLoop]: trace histogram [24, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:10:13,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-20 00:10:14,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:10:14,175 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:10:14,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:10:14,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1199232546, now seen corresponding path program 1 times [2022-07-20 00:10:14,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:10:14,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431043363] [2022-07-20 00:10:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:10:14,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:10:14,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:10:14,177 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) [2022-07-20 00:10:14,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 00:10:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:10:15,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:10:15,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:10:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2022-07-20 00:10:15,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:10:15,555 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:10:15,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431043363] [2022-07-20 00:10:15,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431043363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:10:15,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:10:15,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:10:15,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948386159] [2022-07-20 00:10:15,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:10:15,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:10:15,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:10:15,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:10:15,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:10:15,557 INFO L87 Difference]: Start difference. First operand 665 states and 909 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:10:16,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:10:16,119 INFO L93 Difference]: Finished difference Result 1848 states and 2552 transitions. [2022-07-20 00:10:16,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:10:16,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 232 [2022-07-20 00:10:16,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:10:16,125 INFO L225 Difference]: With dead ends: 1848 [2022-07-20 00:10:16,125 INFO L226 Difference]: Without dead ends: 1227 [2022-07-20 00:10:16,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:10:16,127 INFO L413 NwaCegarLoop]: 1535 mSDtfsCounter, 742 mSDsluCounter, 3846 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 5381 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:10:16,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 5381 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 00:10:16,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-07-20 00:10:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1171. [2022-07-20 00:10:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 910 states have (on average 1.3318681318681318) internal successors, (1212), 911 states have internal predecessors, (1212), 205 states have call successors, (205), 55 states have call predecessors, (205), 55 states have return successors, (205), 204 states have call predecessors, (205), 205 states have call successors, (205) [2022-07-20 00:10:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1622 transitions. [2022-07-20 00:10:16,175 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1622 transitions. Word has length 232 [2022-07-20 00:10:16,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:10:16,176 INFO L495 AbstractCegarLoop]: Abstraction has 1171 states and 1622 transitions. [2022-07-20 00:10:16,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:10:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1622 transitions. [2022-07-20 00:10:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-20 00:10:16,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:10:16,179 INFO L195 NwaCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:10:16,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 00:10:16,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:10:16,399 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:10:16,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:10:16,400 INFO L85 PathProgramCache]: Analyzing trace with hash 66608125, now seen corresponding path program 1 times [2022-07-20 00:10:16,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:10:16,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103176455] [2022-07-20 00:10:16,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:10:16,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:10:16,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:10:16,402 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) [2022-07-20 00:10:16,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 00:10:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:10:17,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:10:17,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:10:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2022-07-20 00:10:18,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:10:18,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:10:18,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103176455] [2022-07-20 00:10:18,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103176455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:10:18,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:10:18,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:10:18,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248280384] [2022-07-20 00:10:18,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:10:18,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:10:18,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:10:18,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:10:18,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:10:18,826 INFO L87 Difference]: Start difference. First operand 1171 states and 1622 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 00:10:20,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:10:20,098 INFO L93 Difference]: Finished difference Result 2762 states and 3865 transitions. [2022-07-20 00:10:20,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:10:20,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 252 [2022-07-20 00:10:20,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:10:20,105 INFO L225 Difference]: With dead ends: 2762 [2022-07-20 00:10:20,105 INFO L226 Difference]: Without dead ends: 1661 [2022-07-20 00:10:20,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:10:20,109 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 311 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:10:20,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1540 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 00:10:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-07-20 00:10:20,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1659. [2022-07-20 00:10:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1306 states have (on average 1.3238897396630933) internal successors, (1729), 1308 states have internal predecessors, (1729), 263 states have call successors, (263), 89 states have call predecessors, (263), 89 states have return successors, (263), 261 states have call predecessors, (263), 263 states have call successors, (263) [2022-07-20 00:10:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2255 transitions. [2022-07-20 00:10:20,139 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2255 transitions. Word has length 252 [2022-07-20 00:10:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:10:20,139 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 2255 transitions. [2022-07-20 00:10:20,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 00:10:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2255 transitions. [2022-07-20 00:10:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 00:10:20,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:10:20,142 INFO L195 NwaCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:10:20,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 00:10:20,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:10:20,359 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:10:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:10:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1994663842, now seen corresponding path program 1 times [2022-07-20 00:10:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:10:20,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671475019] [2022-07-20 00:10:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:10:20,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:10:20,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:10:20,362 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) [2022-07-20 00:10:20,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 00:10:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:10:21,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:10:21,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:10:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2022-07-20 00:10:21,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:10:21,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:10:21,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671475019] [2022-07-20 00:10:21,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671475019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:10:21,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:10:21,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:10:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628240645] [2022-07-20 00:10:21,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:10:21,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:10:21,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:10:21,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:10:21,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:10:21,900 INFO L87 Difference]: Start difference. First operand 1659 states and 2255 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-20 00:10:23,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:10:24,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:10:24,129 INFO L93 Difference]: Finished difference Result 3252 states and 4445 transitions. [2022-07-20 00:10:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:10:24,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 262 [2022-07-20 00:10:24,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:10:24,136 INFO L225 Difference]: With dead ends: 3252 [2022-07-20 00:10:24,136 INFO L226 Difference]: Without dead ends: 1663 [2022-07-20 00:10:24,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:10:24,139 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 0 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:10:24,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1578 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-07-20 00:10:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2022-07-20 00:10:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2022-07-20 00:10:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1310 states have (on average 1.3229007633587786) internal successors, (1733), 1312 states have internal predecessors, (1733), 263 states have call successors, (263), 89 states have call predecessors, (263), 89 states have return successors, (263), 261 states have call predecessors, (263), 263 states have call successors, (263) [2022-07-20 00:10:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2259 transitions. [2022-07-20 00:10:24,174 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2259 transitions. Word has length 262 [2022-07-20 00:10:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:10:24,175 INFO L495 AbstractCegarLoop]: Abstraction has 1663 states and 2259 transitions. [2022-07-20 00:10:24,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-20 00:10:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2259 transitions. [2022-07-20 00:10:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 00:10:24,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:10:24,177 INFO L195 NwaCegarLoop]: trace histogram [24, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:10:24,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-20 00:10:24,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:10:24,392 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:10:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:10:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2051922144, now seen corresponding path program 1 times [2022-07-20 00:10:24,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:10:24,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681796859] [2022-07-20 00:10:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:10:24,393 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:10:24,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:10:24,394 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) [2022-07-20 00:10:24,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-20 00:10:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:10:25,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-20 00:10:25,802 INFO L286 TraceCheckSpWp]: Computing forward predicates...