./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 791161d1 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-?-791161d [2022-07-23 00:21:26,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:21:26,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:21:26,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:21:26,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:21:26,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:21:26,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:21:26,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:21:26,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:21:26,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:21:26,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:21:26,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:21:26,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:21:26,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:21:26,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:21:26,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:21:26,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:21:26,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:21:26,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:21:26,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:21:26,446 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:21:26,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:21:26,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:21:26,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:21:26,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:21:26,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:21:26,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:21:26,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:21:26,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:21:26,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:21:26,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:21:26,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:21:26,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:21:26,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:21:26,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:21:26,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:21:26,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:21:26,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:21:26,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:21:26,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:21:26,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:21:26,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:21:26,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:21:26,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:21:26,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:21:26,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:21:26,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:21:26,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:21:26,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:21:26,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:21:26,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:21:26,532 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:21:26,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:21:26,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:21:26,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:21:26,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:21:26,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:21:26,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:21:26,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:21:26,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:21:26,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:21:26,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:21:26,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:21:26,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:21:26,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:21:26,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:21:26,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:21:26,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:21:26,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:21:26,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:21:26,535 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:21:26,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:21:26,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:21:26,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2022-07-23 00:21:27,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:21:27,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:21:27,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:21:27,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:21:27,065 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:21:27,066 INFO L432 ainManager$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 [2022-07-23 00:21:27,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed977d95/fc9ec369a524465aa4fc7f123a99e1f1/FLAG5bd12f864 [2022-07-23 00:21:28,185 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:21:28,186 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 [2022-07-23 00:21:28,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed977d95/fc9ec369a524465aa4fc7f123a99e1f1/FLAG5bd12f864 [2022-07-23 00:21:28,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed977d95/fc9ec369a524465aa4fc7f123a99e1f1 [2022-07-23 00:21:28,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:21:28,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:21:28,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:21:28,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:21:28,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:21:28,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:21:28" (1/1) ... [2022-07-23 00:21:28,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15476acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:28, skipping insertion in model container [2022-07-23 00:21:28,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:21:28" (1/1) ... [2022-07-23 00:21:28,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:21:28,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:21:29,672 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] [2022-07-23 00:21:29,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:21:29,715 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:21:29,953 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] [2022-07-23 00:21:29,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:21:29,989 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:21:29,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29 WrapperNode [2022-07-23 00:21:29,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:21:29,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:21:29,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:21:29,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:21:29,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,156 INFO L137 Inliner]: procedures = 115, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1938 [2022-07-23 00:21:30,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:21:30,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:21:30,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:21:30,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:21:30,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:21:30,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:21:30,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:21:30,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:21:30,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (1/1) ... [2022-07-23 00:21:30,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:21:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:21:30,328 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) [2022-07-23 00:21:30,336 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 [2022-07-23 00:21:30,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 00:21:30,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 00:21:30,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:21:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:21:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:21:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-23 00:21:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-23 00:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:21:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:21:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 00:21:30,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 00:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:21:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 00:21:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 00:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:21:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:21:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-23 00:21:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-23 00:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-23 00:21:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-23 00:21:30,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:21:30,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:21:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-23 00:21:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-23 00:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:21:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:21:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:21:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-23 00:21:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-23 00:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-23 00:21:30,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-23 00:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:21:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:21:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-23 00:21:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-23 00:21:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 00:21:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 00:21:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 00:21:30,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 00:21:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-23 00:21:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-23 00:21:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:21:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:21:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-23 00:21:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-23 00:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-23 00:21:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-23 00:21:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:21:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:21:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:21:30,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:21:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:21:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-23 00:21:30,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-23 00:21:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:21:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:21:30,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:21:30,809 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:21:30,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:21:31,211 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:21:34,023 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:21:34,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:21:34,033 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:21:34,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:21:34 BoogieIcfgContainer [2022-07-23 00:21:34,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:21:34,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:21:34,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:21:34,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:21:34,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:21:28" (1/3) ... [2022-07-23 00:21:34,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5839063b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:21:34, skipping insertion in model container [2022-07-23 00:21:34,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:21:29" (2/3) ... [2022-07-23 00:21:34,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5839063b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:21:34, skipping insertion in model container [2022-07-23 00:21:34,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:21:34" (3/3) ... [2022-07-23 00:21:34,042 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 [2022-07-23 00:21:34,053 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:21:34,053 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:21:34,101 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:21:34,106 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@53a38dfe, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ebb40c9 [2022-07-23 00:21:34,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:21:34,112 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) [2022-07-23 00:21:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 00:21:34,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:34,131 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] [2022-07-23 00:21:34,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:34,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:34,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1644840656, now seen corresponding path program 1 times [2022-07-23 00:21:34,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:34,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849066540] [2022-07-23 00:21:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:34,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:21:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:21:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:21:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:21:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:21:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:21:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:21:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:21:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:21:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:21:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-23 00:21:34,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:34,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849066540] [2022-07-23 00:21:34,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849066540] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:34,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:34,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:21:34,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850646815] [2022-07-23 00:21:34,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:34,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:21:34,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:34,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:21:34,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:21:34,792 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) [2022-07-23 00:21:37,263 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 [] [2022-07-23 00:21:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:38,280 INFO L93 Difference]: Finished difference Result 1321 states and 2037 transitions. [2022-07-23 00:21:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:21:38,283 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 [2022-07-23 00:21:38,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:38,297 INFO L225 Difference]: With dead ends: 1321 [2022-07-23 00:21:38,297 INFO L226 Difference]: Without dead ends: 710 [2022-07-23 00:21:38,303 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 [2022-07-23 00:21:38,306 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 550 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 333 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:38,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 2213 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 00:21:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-07-23 00:21:38,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 583. [2022-07-23 00:21:38,426 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) [2022-07-23 00:21:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 839 transitions. [2022-07-23 00:21:38,431 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 839 transitions. Word has length 128 [2022-07-23 00:21:38,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:38,432 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 839 transitions. [2022-07-23 00:21:38,432 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) [2022-07-23 00:21:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 839 transitions. [2022-07-23 00:21:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 00:21:38,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:38,439 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] [2022-07-23 00:21:38,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:21:38,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:38,440 INFO L85 PathProgramCache]: Analyzing trace with hash 674606452, now seen corresponding path program 1 times [2022-07-23 00:21:38,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:38,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396093827] [2022-07-23 00:21:38,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:38,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:21:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:21:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:21:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:21:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:21:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:21:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:21:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:21:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:21:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:21:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-23 00:21:38,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:38,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396093827] [2022-07-23 00:21:38,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396093827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:38,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:38,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:21:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474361697] [2022-07-23 00:21:38,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:38,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:21:38,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:38,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:21:38,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:21:38,704 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) [2022-07-23 00:21:41,242 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 [] [2022-07-23 00:21:42,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:42,165 INFO L93 Difference]: Finished difference Result 1325 states and 1937 transitions. [2022-07-23 00:21:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:21:42,166 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 [2022-07-23 00:21:42,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:42,172 INFO L225 Difference]: With dead ends: 1325 [2022-07-23 00:21:42,172 INFO L226 Difference]: Without dead ends: 773 [2022-07-23 00:21:42,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:21:42,175 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 843 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 479 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 2174 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:42,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 2174 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 932 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-23 00:21:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2022-07-23 00:21:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 644. [2022-07-23 00:21:42,205 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) [2022-07-23 00:21:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 917 transitions. [2022-07-23 00:21:42,209 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 917 transitions. Word has length 128 [2022-07-23 00:21:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:42,210 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 917 transitions. [2022-07-23 00:21:42,210 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) [2022-07-23 00:21:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 917 transitions. [2022-07-23 00:21:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 00:21:42,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:42,214 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] [2022-07-23 00:21:42,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:21:42,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 877783348, now seen corresponding path program 1 times [2022-07-23 00:21:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:42,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695339894] [2022-07-23 00:21:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:21:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:21:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:21:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:21:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:21:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:21:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:21:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:21:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:21:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:21:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:21:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:21:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:21:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 00:21:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-07-23 00:21:42,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:42,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695339894] [2022-07-23 00:21:42,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695339894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:42,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:42,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:21:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715742673] [2022-07-23 00:21:42,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:42,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:21:42,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:42,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:21:42,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:21:42,558 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) [2022-07-23 00:21:44,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:21:45,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:21:47,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:21:49,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:21:51,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:21:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:52,769 INFO L93 Difference]: Finished difference Result 1766 states and 2567 transitions. [2022-07-23 00:21:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:21:52,776 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 [2022-07-23 00:21:52,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:52,783 INFO L225 Difference]: With dead ends: 1766 [2022-07-23 00:21:52,783 INFO L226 Difference]: Without dead ends: 1159 [2022-07-23 00:21:52,785 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 [2022-07-23 00:21:52,786 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 1611 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 830 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 2094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:52,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 2295 Invalid, 2094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [830 Valid, 1262 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-07-23 00:21:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-07-23 00:21:52,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 909. [2022-07-23 00:21:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 717 states have (on average 1.3640167364016735) internal successors, (978), 720 states have internal predecessors, (978), 143 states have call successors, (143), 48 states have call predecessors, (143), 48 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2022-07-23 00:21:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1264 transitions. [2022-07-23 00:21:52,840 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1264 transitions. Word has length 196 [2022-07-23 00:21:52,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:52,843 INFO L495 AbstractCegarLoop]: Abstraction has 909 states and 1264 transitions. [2022-07-23 00:21:52,843 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) [2022-07-23 00:21:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1264 transitions. [2022-07-23 00:21:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-23 00:21:52,847 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:52,847 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] [2022-07-23 00:21:52,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:21:52,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:52,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:52,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1263965729, now seen corresponding path program 1 times [2022-07-23 00:21:52,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:52,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156050415] [2022-07-23 00:21:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:52,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:21:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:21:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:21:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:21:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:21:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:21:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:21:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:21:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:21:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:21:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:21:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:21:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:21:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-23 00:21:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-23 00:21:53,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:53,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156050415] [2022-07-23 00:21:53,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156050415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:53,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:53,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:21:53,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762625499] [2022-07-23 00:21:53,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:53,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:21:53,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:53,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:21:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:21:53,187 INFO L87 Difference]: Start difference. First operand 909 states and 1264 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) [2022-07-23 00:21:55,948 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 [] [2022-07-23 00:21:56,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:56,921 INFO L93 Difference]: Finished difference Result 2033 states and 2891 transitions. [2022-07-23 00:21:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:21:56,922 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 [2022-07-23 00:21:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:56,929 INFO L225 Difference]: With dead ends: 2033 [2022-07-23 00:21:56,929 INFO L226 Difference]: Without dead ends: 1161 [2022-07-23 00:21:56,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:21:56,933 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 461 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 297 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 3050 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:56,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 3050 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1208 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-23 00:21:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-07-23 00:21:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 911. [2022-07-23 00:21:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 719 states have (on average 1.3630041724617525) internal successors, (980), 722 states have internal predecessors, (980), 143 states have call successors, (143), 48 states have call predecessors, (143), 48 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2022-07-23 00:21:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1266 transitions. [2022-07-23 00:21:56,986 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1266 transitions. Word has length 206 [2022-07-23 00:21:56,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:56,986 INFO L495 AbstractCegarLoop]: Abstraction has 911 states and 1266 transitions. [2022-07-23 00:21:56,986 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) [2022-07-23 00:21:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1266 transitions. [2022-07-23 00:21:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-23 00:21:56,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:56,988 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] [2022-07-23 00:21:56,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:21:56,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:56,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:56,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1321224031, now seen corresponding path program 1 times [2022-07-23 00:21:56,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:56,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868803640] [2022-07-23 00:21:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:21:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:21:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:21:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:21:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:21:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:21:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:21:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:21:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:21:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:21:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:21:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:21:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:21:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-23 00:21:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-23 00:21:57,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:57,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868803640] [2022-07-23 00:21:57,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868803640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:57,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:57,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:21:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254006015] [2022-07-23 00:21:57,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:57,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:21:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:21:57,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:21:57,324 INFO L87 Difference]: Start difference. First operand 911 states and 1266 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) [2022-07-23 00:21:59,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:01,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:03,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:05,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:08,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:10,051 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 [] [2022-07-23 00:22:11,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:11,796 INFO L93 Difference]: Finished difference Result 2259 states and 3253 transitions. [2022-07-23 00:22:11,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:22:11,796 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 [2022-07-23 00:22:11,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:11,807 INFO L225 Difference]: With dead ends: 2259 [2022-07-23 00:22:11,807 INFO L226 Difference]: Without dead ends: 2257 [2022-07-23 00:22:11,808 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 [2022-07-23 00:22:11,812 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 1709 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 726 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1815 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 2205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:11,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1815 Valid, 2907 Invalid, 2205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 1474 Invalid, 5 Unknown, 0 Unchecked, 14.2s Time] [2022-07-23 00:22:11,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2022-07-23 00:22:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 1869. [2022-07-23 00:22:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1869 states, 1486 states have (on average 1.360699865410498) internal successors, (2022), 1495 states have internal predecessors, (2022), 278 states have call successors, (278), 94 states have call predecessors, (278), 104 states have return successors, (322), 285 states have call predecessors, (322), 278 states have call successors, (322) [2022-07-23 00:22:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2622 transitions. [2022-07-23 00:22:11,906 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2622 transitions. Word has length 206 [2022-07-23 00:22:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:11,907 INFO L495 AbstractCegarLoop]: Abstraction has 1869 states and 2622 transitions. [2022-07-23 00:22:11,907 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) [2022-07-23 00:22:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2622 transitions. [2022-07-23 00:22:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-23 00:22:11,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:11,912 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] [2022-07-23 00:22:11,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:22:11,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash -225403342, now seen corresponding path program 1 times [2022-07-23 00:22:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:11,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638987633] [2022-07-23 00:22:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 00:22:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-07-23 00:22:12,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:12,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638987633] [2022-07-23 00:22:12,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638987633] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:12,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:12,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:22:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666205576] [2022-07-23 00:22:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:12,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:22:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:22:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:22:12,226 INFO L87 Difference]: Start difference. First operand 1869 states and 2622 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) [2022-07-23 00:22:15,172 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 [] [2022-07-23 00:22:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:16,500 INFO L93 Difference]: Finished difference Result 4858 states and 6942 transitions. [2022-07-23 00:22:16,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:22:16,500 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 [2022-07-23 00:22:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:16,513 INFO L225 Difference]: With dead ends: 4858 [2022-07-23 00:22:16,513 INFO L226 Difference]: Without dead ends: 3026 [2022-07-23 00:22:16,518 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 [2022-07-23 00:22:16,519 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 1087 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 677 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 2965 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:16,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 2965 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1424 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 00:22:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2022-07-23 00:22:16,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2444. [2022-07-23 00:22:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2444 states, 1958 states have (on average 1.3488253319713994) internal successors, (2641), 1970 states have internal predecessors, (2641), 342 states have call successors, (342), 130 states have call predecessors, (342), 143 states have return successors, (394), 351 states have call predecessors, (394), 342 states have call successors, (394) [2022-07-23 00:22:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3377 transitions. [2022-07-23 00:22:16,631 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3377 transitions. Word has length 215 [2022-07-23 00:22:16,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:16,632 INFO L495 AbstractCegarLoop]: Abstraction has 2444 states and 3377 transitions. [2022-07-23 00:22:16,632 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) [2022-07-23 00:22:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3377 transitions. [2022-07-23 00:22:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-23 00:22:16,637 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:16,637 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] [2022-07-23 00:22:16,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:22:16,638 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:16,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:16,638 INFO L85 PathProgramCache]: Analyzing trace with hash -562990724, now seen corresponding path program 1 times [2022-07-23 00:22:16,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:16,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555566540] [2022-07-23 00:22:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:16,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:22:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 00:22:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-23 00:22:16,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555566540] [2022-07-23 00:22:16,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555566540] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:16,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:16,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:22:16,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633822887] [2022-07-23 00:22:16,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:16,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:22:16,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:16,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:22:16,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:22:16,942 INFO L87 Difference]: Start difference. First operand 2444 states and 3377 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) [2022-07-23 00:22:19,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:20,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:22,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:24,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:26,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:28,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:30,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:32,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:34,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:36,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:22:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:37,513 INFO L93 Difference]: Finished difference Result 7160 states and 10019 transitions. [2022-07-23 00:22:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:22:37,514 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 [2022-07-23 00:22:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:37,539 INFO L225 Difference]: With dead ends: 7160 [2022-07-23 00:22:37,539 INFO L226 Difference]: Without dead ends: 4753 [2022-07-23 00:22:37,546 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 [2022-07-23 00:22:37,551 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 1649 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 940 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 3780 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 940 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:37,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 3780 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [940 Valid, 1641 Invalid, 7 Unknown, 0 Unchecked, 20.3s Time] [2022-07-23 00:22:37,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4753 states. [2022-07-23 00:22:37,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4753 to 3657. [2022-07-23 00:22:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3657 states, 2928 states have (on average 1.3329918032786885) internal successors, (3903), 2949 states have internal predecessors, (3903), 500 states have call successors, (500), 202 states have call predecessors, (500), 228 states have return successors, (594), 517 states have call predecessors, (594), 500 states have call successors, (594) [2022-07-23 00:22:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 3657 states and 4997 transitions. [2022-07-23 00:22:37,763 INFO L78 Accepts]: Start accepts. Automaton has 3657 states and 4997 transitions. Word has length 236 [2022-07-23 00:22:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:37,764 INFO L495 AbstractCegarLoop]: Abstraction has 3657 states and 4997 transitions. [2022-07-23 00:22:37,764 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) [2022-07-23 00:22:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 4997 transitions. [2022-07-23 00:22:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-23 00:22:37,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:37,770 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] [2022-07-23 00:22:37,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:22:37,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:37,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:37,771 INFO L85 PathProgramCache]: Analyzing trace with hash 621597278, now seen corresponding path program 1 times [2022-07-23 00:22:37,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:37,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703466806] [2022-07-23 00:22:37,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:37,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:37,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:22:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:22:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-23 00:22:38,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:38,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703466806] [2022-07-23 00:22:38,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703466806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:38,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:38,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:22:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410191809] [2022-07-23 00:22:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:38,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:22:38,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:38,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:22:38,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:22:38,092 INFO L87 Difference]: Start difference. First operand 3657 states and 4997 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) [2022-07-23 00:22:40,758 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 [] [2022-07-23 00:22:42,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:42,282 INFO L93 Difference]: Finished difference Result 9078 states and 12656 transitions. [2022-07-23 00:22:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:22:42,282 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 [2022-07-23 00:22:42,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:42,306 INFO L225 Difference]: With dead ends: 9078 [2022-07-23 00:22:42,307 INFO L226 Difference]: Without dead ends: 5458 [2022-07-23 00:22:42,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:22:42,316 INFO L413 NwaCegarLoop]: 1177 mSDtfsCounter, 866 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 493 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:42,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 3161 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 1680 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 00:22:42,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2022-07-23 00:22:42,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 4223. [2022-07-23 00:22:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4223 states, 3388 states have (on average 1.3299881936245572) internal successors, (4506), 3411 states have internal predecessors, (4506), 560 states have call successors, (560), 244 states have call predecessors, (560), 274 states have return successors, (666), 581 states have call predecessors, (666), 560 states have call successors, (666) [2022-07-23 00:22:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 4223 states and 5732 transitions. [2022-07-23 00:22:42,556 INFO L78 Accepts]: Start accepts. Automaton has 4223 states and 5732 transitions. Word has length 242 [2022-07-23 00:22:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:42,557 INFO L495 AbstractCegarLoop]: Abstraction has 4223 states and 5732 transitions. [2022-07-23 00:22:42,557 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) [2022-07-23 00:22:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 4223 states and 5732 transitions. [2022-07-23 00:22:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-23 00:22:42,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:42,565 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] [2022-07-23 00:22:42,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:22:42,566 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:42,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:42,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2067512813, now seen corresponding path program 1 times [2022-07-23 00:22:42,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:42,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107125292] [2022-07-23 00:22:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:42,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:22:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:22:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:22:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 00:22:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-23 00:22:43,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:43,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107125292] [2022-07-23 00:22:43,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107125292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:43,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:43,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:22:43,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632506648] [2022-07-23 00:22:43,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:43,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:22:43,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:43,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:22:43,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:22:43,169 INFO L87 Difference]: Start difference. First operand 4223 states and 5732 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) [2022-07-23 00:22:45,610 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 [] [2022-07-23 00:22:46,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:46,762 INFO L93 Difference]: Finished difference Result 9653 states and 13369 transitions. [2022-07-23 00:22:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:22:46,763 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 [2022-07-23 00:22:46,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:46,792 INFO L225 Difference]: With dead ends: 9653 [2022-07-23 00:22:46,793 INFO L226 Difference]: Without dead ends: 5467 [2022-07-23 00:22:46,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:22:46,807 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 1315 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 585 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:46,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 1883 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 718 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-23 00:22:46,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2022-07-23 00:22:47,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 4121. [2022-07-23 00:22:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 3298 states have (on average 1.295027289266222) internal successors, (4271), 3321 states have internal predecessors, (4271), 548 states have call successors, (548), 244 states have call predecessors, (548), 274 states have return successors, (654), 569 states have call predecessors, (654), 548 states have call successors, (654) [2022-07-23 00:22:47,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5473 transitions. [2022-07-23 00:22:47,110 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5473 transitions. Word has length 285 [2022-07-23 00:22:47,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:47,111 INFO L495 AbstractCegarLoop]: Abstraction has 4121 states and 5473 transitions. [2022-07-23 00:22:47,112 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) [2022-07-23 00:22:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5473 transitions. [2022-07-23 00:22:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-23 00:22:47,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:47,121 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] [2022-07-23 00:22:47,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 00:22:47,122 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:47,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1247060879, now seen corresponding path program 1 times [2022-07-23 00:22:47,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:47,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901677526] [2022-07-23 00:22:47,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:22:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:22:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:22:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 00:22:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-23 00:22:47,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:47,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901677526] [2022-07-23 00:22:47,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901677526] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:47,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:47,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:22:47,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768843870] [2022-07-23 00:22:47,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:47,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:22:47,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:47,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:22:47,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:22:47,503 INFO L87 Difference]: Start difference. First operand 4121 states and 5473 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) [2022-07-23 00:22:50,009 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 [] [2022-07-23 00:22:52,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:52,556 INFO L93 Difference]: Finished difference Result 13833 states and 18659 transitions. [2022-07-23 00:22:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:22:52,557 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 [2022-07-23 00:22:52,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:52,622 INFO L225 Difference]: With dead ends: 13833 [2022-07-23 00:22:52,623 INFO L226 Difference]: Without dead ends: 9749 [2022-07-23 00:22:52,636 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 [2022-07-23 00:22:52,637 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 1341 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 719 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 4637 SdHoareTripleChecker+Invalid, 2723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:52,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 4637 Invalid, 2723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2003 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 00:22:52,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9749 states. [2022-07-23 00:22:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9749 to 4125. [2022-07-23 00:22:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 3302 states have (on average 1.2946698970321018) internal successors, (4275), 3325 states have internal predecessors, (4275), 548 states have call successors, (548), 244 states have call predecessors, (548), 274 states have return successors, (654), 569 states have call predecessors, (654), 548 states have call successors, (654) [2022-07-23 00:22:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5477 transitions. [2022-07-23 00:22:53,036 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5477 transitions. Word has length 285 [2022-07-23 00:22:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:53,039 INFO L495 AbstractCegarLoop]: Abstraction has 4125 states and 5477 transitions. [2022-07-23 00:22:53,039 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) [2022-07-23 00:22:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5477 transitions. [2022-07-23 00:22:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-23 00:22:53,049 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:53,049 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] [2022-07-23 00:22:53,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 00:22:53,050 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:53,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1945847223, now seen corresponding path program 1 times [2022-07-23 00:22:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:53,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006755892] [2022-07-23 00:22:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:53,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:22:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:22:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:22:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:22:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:22:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 00:22:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:22:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:22:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:22:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:22:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-23 00:22:53,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:53,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006755892] [2022-07-23 00:22:53,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006755892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:53,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:53,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:22:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869572251] [2022-07-23 00:22:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:53,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:22:53,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:22:53,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:22:53,538 INFO L87 Difference]: Start difference. First operand 4125 states and 5477 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) [2022-07-23 00:22:56,010 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 [] [2022-07-23 00:22:57,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:57,089 INFO L93 Difference]: Finished difference Result 9549 states and 12863 transitions. [2022-07-23 00:22:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:22:57,090 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 [2022-07-23 00:22:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:57,105 INFO L225 Difference]: With dead ends: 9549 [2022-07-23 00:22:57,105 INFO L226 Difference]: Without dead ends: 5461 [2022-07-23 00:22:57,112 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 [2022-07-23 00:22:57,113 INFO L413 NwaCegarLoop]: 806 mSDtfsCounter, 745 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 563 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2536 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:57,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 2536 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 970 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-23 00:22:57,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5461 states. [2022-07-23 00:22:57,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5461 to 4127. [2022-07-23 00:22:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 3304 states have (on average 1.2944915254237288) internal successors, (4277), 3327 states have internal predecessors, (4277), 548 states have call successors, (548), 244 states have call predecessors, (548), 274 states have return successors, (654), 569 states have call predecessors, (654), 548 states have call successors, (654) [2022-07-23 00:22:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5479 transitions. [2022-07-23 00:22:57,339 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5479 transitions. Word has length 338 [2022-07-23 00:22:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:57,340 INFO L495 AbstractCegarLoop]: Abstraction has 4127 states and 5479 transitions. [2022-07-23 00:22:57,340 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) [2022-07-23 00:22:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5479 transitions. [2022-07-23 00:22:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-23 00:22:57,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:57,350 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] [2022-07-23 00:22:57,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 00:22:57,350 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1689588551, now seen corresponding path program 1 times [2022-07-23 00:22:57,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:57,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751613572] [2022-07-23 00:22:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:57,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:22:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:22:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:22:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:22:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:22:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:22:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:22:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:22:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:22:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:22:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:22:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:22:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:22:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:22:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:22:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:22:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 00:22:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:22:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:22:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:22:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:22:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-23 00:22:57,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:57,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751613572] [2022-07-23 00:22:57,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751613572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:57,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:57,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:22:57,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55668265] [2022-07-23 00:22:57,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:57,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:22:57,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:57,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:22:57,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:22:57,714 INFO L87 Difference]: Start difference. First operand 4127 states and 5479 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) [2022-07-23 00:23:00,122 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 [] [2022-07-23 00:23:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:01,032 INFO L93 Difference]: Finished difference Result 9553 states and 12867 transitions. [2022-07-23 00:23:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:23:01,033 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 [2022-07-23 00:23:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:01,050 INFO L225 Difference]: With dead ends: 9553 [2022-07-23 00:23:01,050 INFO L226 Difference]: Without dead ends: 5463 [2022-07-23 00:23:01,059 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 [2022-07-23 00:23:01,060 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 991 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 729 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:01,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 2181 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-07-23 00:23:01,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5463 states. [2022-07-23 00:23:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5463 to 4129. [2022-07-23 00:23:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4129 states, 3306 states have (on average 1.294313369630974) internal successors, (4279), 3329 states have internal predecessors, (4279), 548 states have call successors, (548), 244 states have call predecessors, (548), 274 states have return successors, (654), 569 states have call predecessors, (654), 548 states have call successors, (654) [2022-07-23 00:23:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4129 states to 4129 states and 5481 transitions. [2022-07-23 00:23:01,334 INFO L78 Accepts]: Start accepts. Automaton has 4129 states and 5481 transitions. Word has length 338 [2022-07-23 00:23:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:01,334 INFO L495 AbstractCegarLoop]: Abstraction has 4129 states and 5481 transitions. [2022-07-23 00:23:01,335 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) [2022-07-23 00:23:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4129 states and 5481 transitions. [2022-07-23 00:23:01,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-23 00:23:01,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:01,342 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] [2022-07-23 00:23:01,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 00:23:01,343 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:01,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1414828937, now seen corresponding path program 1 times [2022-07-23 00:23:01,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:01,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835849894] [2022-07-23 00:23:01,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:01,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:23:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:23:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:23:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:23:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:23:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:23:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:23:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:23:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:23:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:23:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:23:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:23:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:23:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:23:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:23:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:23:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:23:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:23:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 00:23:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:23:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:23:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:23:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:23:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-23 00:23:01,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:01,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835849894] [2022-07-23 00:23:01,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835849894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:01,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:23:01,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:23:01,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301326515] [2022-07-23 00:23:01,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:01,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:23:01,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:01,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:23:01,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:23:01,749 INFO L87 Difference]: Start difference. First operand 4129 states and 5481 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) [2022-07-23 00:23:03,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:05,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:07,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:09,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:11,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:13,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:15,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:17,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:19,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:21,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:23,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:24,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:24,234 INFO L93 Difference]: Finished difference Result 9561 states and 12875 transitions. [2022-07-23 00:23:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 00:23:24,235 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 [2022-07-23 00:23:24,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:24,251 INFO L225 Difference]: With dead ends: 9561 [2022-07-23 00:23:24,251 INFO L226 Difference]: Without dead ends: 5469 [2022-07-23 00:23:24,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:23:24,261 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 606 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 444 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 3456 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:24,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 3456 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1422 Invalid, 9 Unknown, 0 Unchecked, 22.2s Time] [2022-07-23 00:23:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5469 states. [2022-07-23 00:23:24,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5469 to 4133. [2022-07-23 00:23:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4133 states, 3310 states have (on average 1.2939577039274925) internal successors, (4283), 3333 states have internal predecessors, (4283), 548 states have call successors, (548), 244 states have call predecessors, (548), 274 states have return successors, (654), 569 states have call predecessors, (654), 548 states have call successors, (654) [2022-07-23 00:23:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 4133 states and 5485 transitions. [2022-07-23 00:23:24,547 INFO L78 Accepts]: Start accepts. Automaton has 4133 states and 5485 transitions. Word has length 338 [2022-07-23 00:23:24,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:24,547 INFO L495 AbstractCegarLoop]: Abstraction has 4133 states and 5485 transitions. [2022-07-23 00:23:24,548 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) [2022-07-23 00:23:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4133 states and 5485 transitions. [2022-07-23 00:23:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-23 00:23:24,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:24,555 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] [2022-07-23 00:23:24,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 00:23:24,555 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 636155061, now seen corresponding path program 1 times [2022-07-23 00:23:24,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:24,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392633766] [2022-07-23 00:23:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:23:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:23:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:23:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:23:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:23:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:23:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:23:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:23:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:23:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:23:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:23:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:23:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:23:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:23:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:23:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:23:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:23:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:23:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 00:23:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:23:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:23:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:23:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:23:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2022-07-23 00:23:24,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:24,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392633766] [2022-07-23 00:23:24,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392633766] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:24,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667864783] [2022-07-23 00:23:24,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:24,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:24,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:24,957 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) [2022-07-23 00:23:24,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:23:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:25,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 2901 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 00:23:25,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-07-23 00:23:25,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:23:25,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667864783] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:25,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:23:25,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-23 00:23:25,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079436741] [2022-07-23 00:23:25,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:25,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:23:25,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:25,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:23:25,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:23:25,718 INFO L87 Difference]: Start difference. First operand 4133 states and 5485 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) [2022-07-23 00:23:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:26,197 INFO L93 Difference]: Finished difference Result 12303 states and 16301 transitions. [2022-07-23 00:23:26,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:23:26,198 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 [2022-07-23 00:23:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:26,225 INFO L225 Difference]: With dead ends: 12303 [2022-07-23 00:23:26,225 INFO L226 Difference]: Without dead ends: 8025 [2022-07-23 00:23:26,238 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 [2022-07-23 00:23:26,239 INFO L413 NwaCegarLoop]: 1558 mSDtfsCounter, 754 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 5462 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 [2022-07-23 00:23:26,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 5462 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:23:26,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8025 states. [2022-07-23 00:23:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8025 to 7897. [2022-07-23 00:23:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7897 states, 6344 states have (on average 1.2933480453972257) internal successors, (8205), 6375 states have internal predecessors, (8205), 1037 states have call successors, (1037), 455 states have call predecessors, (1037), 515 states have return successors, (1245), 1066 states have call predecessors, (1245), 1037 states have call successors, (1245) [2022-07-23 00:23:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 10487 transitions. [2022-07-23 00:23:26,713 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 10487 transitions. Word has length 338 [2022-07-23 00:23:26,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:26,713 INFO L495 AbstractCegarLoop]: Abstraction has 7897 states and 10487 transitions. [2022-07-23 00:23:26,713 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) [2022-07-23 00:23:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 10487 transitions. [2022-07-23 00:23:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-23 00:23:26,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:26,725 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] [2022-07-23 00:23:26,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:23:26,939 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 [2022-07-23 00:23:26,940 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:26,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:26,940 INFO L85 PathProgramCache]: Analyzing trace with hash -948161205, now seen corresponding path program 1 times [2022-07-23 00:23:26,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:26,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622992794] [2022-07-23 00:23:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:23:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:23:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:23:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:23:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:23:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:23:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:23:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:23:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:23:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 00:23:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:23:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:23:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:23:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 00:23:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 00:23:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:23:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:23:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 00:23:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 00:23:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 00:23:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:23:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 00:23:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 00:23:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 00:23:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-07-23 00:23:27,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:27,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622992794] [2022-07-23 00:23:27,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622992794] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:27,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120267752] [2022-07-23 00:23:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:27,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:27,442 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) [2022-07-23 00:23:27,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:23:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-23 00:23:28,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-23 00:23:28,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:23:28,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120267752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:28,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:23:28,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 15 [2022-07-23 00:23:28,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803807842] [2022-07-23 00:23:28,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:28,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:23:28,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:28,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:23:28,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:23:28,450 INFO L87 Difference]: Start difference. First operand 7897 states and 10487 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) [2022-07-23 00:23:29,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:29,073 INFO L93 Difference]: Finished difference Result 16677 states and 22196 transitions. [2022-07-23 00:23:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 00:23:29,074 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 [2022-07-23 00:23:29,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:29,100 INFO L225 Difference]: With dead ends: 16677 [2022-07-23 00:23:29,101 INFO L226 Difference]: Without dead ends: 8817 [2022-07-23 00:23:29,120 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 [2022-07-23 00:23:29,122 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 158 mSDsluCounter, 5752 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6743 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 [2022-07-23 00:23:29,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 6743 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:23:29,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8817 states. [2022-07-23 00:23:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8817 to 7937. [2022-07-23 00:23:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7937 states, 6376 states have (on average 1.2918757841907151) internal successors, (8237), 6403 states have internal predecessors, (8237), 1037 states have call successors, (1037), 455 states have call predecessors, (1037), 523 states have return successors, (1269), 1078 states have call predecessors, (1269), 1037 states have call successors, (1269) [2022-07-23 00:23:29,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7937 states to 7937 states and 10543 transitions. [2022-07-23 00:23:29,668 INFO L78 Accepts]: Start accepts. Automaton has 7937 states and 10543 transitions. Word has length 358 [2022-07-23 00:23:29,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:29,668 INFO L495 AbstractCegarLoop]: Abstraction has 7937 states and 10543 transitions. [2022-07-23 00:23:29,669 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) [2022-07-23 00:23:29,669 INFO L276 IsEmpty]: Start isEmpty. Operand 7937 states and 10543 transitions. [2022-07-23 00:23:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-23 00:23:29,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:29,681 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] [2022-07-23 00:23:29,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:23:29,902 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 [2022-07-23 00:23:29,903 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 503461736, now seen corresponding path program 1 times [2022-07-23 00:23:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:29,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709548967] [2022-07-23 00:23:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:23:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:23:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:23:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:23:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:23:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-23 00:23:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 00:23:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 00:23:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:23:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 00:23:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:23:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:23:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:23:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 00:23:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 00:23:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:23:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 00:23:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:23:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 00:23:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 00:23:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 00:23:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:23:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 00:23:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 00:23:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-07-23 00:23:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:30,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709548967] [2022-07-23 00:23:30,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709548967] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:30,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984724505] [2022-07-23 00:23:30,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:30,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:30,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:30,330 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) [2022-07-23 00:23:30,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 00:23:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:31,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 00:23:31,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-07-23 00:23:31,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:23:31,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984724505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:31,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:23:31,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2022-07-23 00:23:31,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340486480] [2022-07-23 00:23:31,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:31,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 00:23:31,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:31,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 00:23:31,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-23 00:23:31,205 INFO L87 Difference]: Start difference. First operand 7937 states and 10543 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) [2022-07-23 00:23:31,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:31,537 INFO L93 Difference]: Finished difference Result 15855 states and 21064 transitions. [2022-07-23 00:23:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:23:31,538 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 [2022-07-23 00:23:31,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:31,564 INFO L225 Difference]: With dead ends: 15855 [2022-07-23 00:23:31,565 INFO L226 Difference]: Without dead ends: 7938 [2022-07-23 00:23:31,579 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 [2022-07-23 00:23:31,579 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 [2022-07-23 00:23:31,580 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] [2022-07-23 00:23:31,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7938 states. [2022-07-23 00:23:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7938 to 7938. [2022-07-23 00:23:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7938 states, 6377 states have (on average 1.2918300141132193) internal successors, (8238), 6404 states have internal predecessors, (8238), 1037 states have call successors, (1037), 455 states have call predecessors, (1037), 523 states have return successors, (1269), 1078 states have call predecessors, (1269), 1037 states have call successors, (1269) [2022-07-23 00:23:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7938 states to 7938 states and 10544 transitions. [2022-07-23 00:23:32,133 INFO L78 Accepts]: Start accepts. Automaton has 7938 states and 10544 transitions. Word has length 364 [2022-07-23 00:23:32,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:32,133 INFO L495 AbstractCegarLoop]: Abstraction has 7938 states and 10544 transitions. [2022-07-23 00:23:32,133 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) [2022-07-23 00:23:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 7938 states and 10544 transitions. [2022-07-23 00:23:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-23 00:23:32,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:32,146 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] [2022-07-23 00:23:32,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:23:32,371 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 [2022-07-23 00:23:32,372 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:32,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:32,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1576084639, now seen corresponding path program 1 times [2022-07-23 00:23:32,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:32,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813284402] [2022-07-23 00:23:32,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:32,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:23:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:23:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:23:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:23:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-23 00:23:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:23:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 00:23:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:23:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:23:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:23:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 00:23:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 00:23:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 00:23:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 00:23:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:23:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:23:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:23:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:23:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 00:23:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 00:23:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:23:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:23:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 00:23:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 00:23:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2022-07-23 00:23:32,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:32,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813284402] [2022-07-23 00:23:32,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813284402] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:32,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340454946] [2022-07-23 00:23:32,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:32,855 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) [2022-07-23 00:23:32,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 00:23:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:33,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 3157 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 00:23:33,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 280 proven. 1 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-07-23 00:23:33,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:23:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-07-23 00:23:34,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340454946] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:23:34,205 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:23:34,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2022-07-23 00:23:34,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134369186] [2022-07-23 00:23:34,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:23:34,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-23 00:23:34,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:34,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-23 00:23:34,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:23:34,207 INFO L87 Difference]: Start difference. First operand 7938 states and 10544 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) [2022-07-23 00:23:36,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:38,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:40,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:42,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:44,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:46,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:48,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:51,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:53,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:55,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:57,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:23:59,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:59,354 INFO L93 Difference]: Finished difference Result 18510 states and 24939 transitions. [2022-07-23 00:23:59,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 00:23:59,355 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 [2022-07-23 00:23:59,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:59,392 INFO L225 Difference]: With dead ends: 18510 [2022-07-23 00:23:59,392 INFO L226 Difference]: Without dead ends: 10588 [2022-07-23 00:23:59,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=794, Unknown=0, NotChecked=0, Total=992 [2022-07-23 00:23:59,410 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1087 mSDsluCounter, 4585 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 821 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 5360 SdHoareTripleChecker+Invalid, 3531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:59,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 5360 Invalid, 3531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 2702 Invalid, 8 Unknown, 0 Unchecked, 24.3s Time] [2022-07-23 00:23:59,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2022-07-23 00:23:59,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 7922. [2022-07-23 00:23:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7922 states, 6360 states have (on average 1.2910377358490566) internal successors, (8211), 6387 states have internal predecessors, (8211), 1036 states have call successors, (1036), 456 states have call predecessors, (1036), 525 states have return successors, (1269), 1078 states have call predecessors, (1269), 1036 states have call successors, (1269) [2022-07-23 00:23:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7922 states to 7922 states and 10516 transitions. [2022-07-23 00:23:59,913 INFO L78 Accepts]: Start accepts. Automaton has 7922 states and 10516 transitions. Word has length 369 [2022-07-23 00:23:59,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:59,913 INFO L495 AbstractCegarLoop]: Abstraction has 7922 states and 10516 transitions. [2022-07-23 00:23:59,914 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) [2022-07-23 00:23:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7922 states and 10516 transitions. [2022-07-23 00:23:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-23 00:23:59,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:59,926 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] [2022-07-23 00:23:59,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 00:24:00,150 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 [2022-07-23 00:24:00,150 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:00,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:00,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1765176347, now seen corresponding path program 2 times [2022-07-23 00:24:00,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:00,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902447656] [2022-07-23 00:24:00,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 00:24:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:24:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 00:24:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 00:24:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 00:24:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-23 00:24:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:24:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 00:24:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:24:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 00:24:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:24:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:24:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 00:24:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:24:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:24:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 00:24:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 00:24:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 00:24:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 00:24:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:24:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 00:24:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-23 00:24:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 00:24:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:24:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2022-07-23 00:24:00,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:00,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902447656] [2022-07-23 00:24:00,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902447656] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:24:00,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780411743] [2022-07-23 00:24:00,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:24:00,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:24:00,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:24:00,784 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) [2022-07-23 00:24:00,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 00:24:03,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 00:24:03,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:24:04,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 3378 conjuncts, 38 conjunts are in the unsatisfiable core [2022-07-23 00:24:04,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:24:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-07-23 00:24:04,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:24:04,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780411743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:04,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:24:04,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2022-07-23 00:24:04,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688331208] [2022-07-23 00:24:04,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:04,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:24:04,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:04,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:24:04,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-23 00:24:04,109 INFO L87 Difference]: Start difference. First operand 7922 states and 10516 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) [2022-07-23 00:24:04,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:04,533 INFO L93 Difference]: Finished difference Result 15839 states and 21024 transitions. [2022-07-23 00:24:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:24:04,534 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 [2022-07-23 00:24:04,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:04,561 INFO L225 Difference]: With dead ends: 15839 [2022-07-23 00:24:04,562 INFO L226 Difference]: Without dead ends: 7920 [2022-07-23 00:24:04,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:24:04,581 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:24:04,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4770 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:24:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2022-07-23 00:24:05,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7920. [2022-07-23 00:24:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7920 states, 6359 states have (on average 1.290926246265136) internal successors, (8209), 6385 states have internal predecessors, (8209), 1036 states have call successors, (1036), 456 states have call predecessors, (1036), 524 states have return successors, (1268), 1078 states have call predecessors, (1268), 1036 states have call successors, (1268) [2022-07-23 00:24:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7920 states to 7920 states and 10513 transitions. [2022-07-23 00:24:05,144 INFO L78 Accepts]: Start accepts. Automaton has 7920 states and 10513 transitions. Word has length 388 [2022-07-23 00:24:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:05,145 INFO L495 AbstractCegarLoop]: Abstraction has 7920 states and 10513 transitions. [2022-07-23 00:24:05,145 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) [2022-07-23 00:24:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 7920 states and 10513 transitions. [2022-07-23 00:24:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-07-23 00:24:05,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:05,159 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] [2022-07-23 00:24:05,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 00:24:05,379 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 [2022-07-23 00:24:05,380 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:05,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:05,380 INFO L85 PathProgramCache]: Analyzing trace with hash 42825474, now seen corresponding path program 3 times [2022-07-23 00:24:05,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:05,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387686855] [2022-07-23 00:24:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:05,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:24:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 00:24:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 00:24:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 00:24:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:24:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:24:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 00:24:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 00:24:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:24:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 00:24:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:24:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 00:24:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 00:24:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:24:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 00:24:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:24:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:24:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 00:24:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 00:24:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 00:24:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 00:24:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 00:24:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 00:24:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-23 00:24:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-07-23 00:24:05,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:05,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387686855] [2022-07-23 00:24:05,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387686855] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:24:05,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503359619] [2022-07-23 00:24:05,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 00:24:05,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:24:05,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:24:05,993 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) [2022-07-23 00:24:05,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 00:24:07,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-23 00:24:07,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:24:07,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-23 00:24:07,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:24:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-07-23 00:24:07,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:24:07,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503359619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:07,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:24:07,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 15 [2022-07-23 00:24:07,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579215370] [2022-07-23 00:24:07,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:07,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 00:24:07,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:07,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 00:24:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:24:07,370 INFO L87 Difference]: Start difference. First operand 7920 states and 10513 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) [2022-07-23 00:24:07,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:07,813 INFO L93 Difference]: Finished difference Result 18094 states and 24170 transitions. [2022-07-23 00:24:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 00:24:07,814 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 [2022-07-23 00:24:07,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:07,835 INFO L225 Difference]: With dead ends: 18094 [2022-07-23 00:24:07,836 INFO L226 Difference]: Without dead ends: 10236 [2022-07-23 00:24:07,845 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 [2022-07-23 00:24:07,845 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 221 mSDsluCounter, 8311 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 9384 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 [2022-07-23 00:24:07,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 9384 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:24:07,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10236 states. [2022-07-23 00:24:08,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10236 to 7956. [2022-07-23 00:24:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7956 states, 6387 states have (on average 1.289650853295757) internal successors, (8237), 6409 states have internal predecessors, (8237), 1036 states have call successors, (1036), 456 states have call predecessors, (1036), 532 states have return successors, (1292), 1090 states have call predecessors, (1292), 1036 states have call successors, (1292) [2022-07-23 00:24:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7956 states to 7956 states and 10565 transitions. [2022-07-23 00:24:08,283 INFO L78 Accepts]: Start accepts. Automaton has 7956 states and 10565 transitions. Word has length 394 [2022-07-23 00:24:08,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:08,284 INFO L495 AbstractCegarLoop]: Abstraction has 7956 states and 10565 transitions. [2022-07-23 00:24:08,284 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) [2022-07-23 00:24:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 7956 states and 10565 transitions. [2022-07-23 00:24:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-23 00:24:08,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:08,297 INFO L195 NwaCegarLoop]: trace histogram [18, 12, 12, 12, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-07-23 00:24:08,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 00:24:08,514 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 [2022-07-23 00:24:08,515 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash 660818719, now seen corresponding path program 4 times [2022-07-23 00:24:08,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:08,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760154501] [2022-07-23 00:24:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:08,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:24:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:24:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 00:24:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 00:24:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 00:24:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:24:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:24:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 00:24:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 00:24:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:08,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:24:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 00:24:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:24:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 00:24:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 00:24:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:24:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:24:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 00:24:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:24:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:24:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:24:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:24:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:24:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 00:24:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 00:24:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 00:24:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 00:24:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 00:24:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 00:24:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2022-07-23 00:24:09,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:24:09,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760154501] [2022-07-23 00:24:09,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760154501] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:24:09,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759022643] [2022-07-23 00:24:09,221 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-23 00:24:09,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:24:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:24:09,223 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) [2022-07-23 00:24:09,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 00:24:10,812 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-23 00:24:10,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:24:10,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 3430 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-23 00:24:10,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:24:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 375 proven. 112 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-07-23 00:24:11,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:24:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2022-07-23 00:24:11,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759022643] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:24:11,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:24:11,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 6] total 22 [2022-07-23 00:24:11,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586209309] [2022-07-23 00:24:11,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:24:11,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 00:24:11,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:24:11,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 00:24:11,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-07-23 00:24:11,491 INFO L87 Difference]: Start difference. First operand 7956 states and 10565 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) [2022-07-23 00:24:14,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:16,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:18,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:20,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:22,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:24,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:26,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:24:28,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:28,612 INFO L93 Difference]: Finished difference Result 18489 states and 24907 transitions. [2022-07-23 00:24:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-23 00:24:28,613 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 400 [2022-07-23 00:24:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:28,634 INFO L225 Difference]: With dead ends: 18489 [2022-07-23 00:24:28,634 INFO L226 Difference]: Without dead ends: 10558 [2022-07-23 00:24:28,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 920 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=349, Invalid=1211, Unknown=0, NotChecked=0, Total=1560 [2022-07-23 00:24:28,651 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 646 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 475 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 4546 SdHoareTripleChecker+Invalid, 2728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:24:28,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 4546 Invalid, 2728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 2247 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2022-07-23 00:24:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10558 states. [2022-07-23 00:24:29,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10558 to 7962. [2022-07-23 00:24:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7962 states, 6393 states have (on average 1.2889097450336304) internal successors, (8240), 6415 states have internal predecessors, (8240), 1036 states have call successors, (1036), 456 states have call predecessors, (1036), 532 states have return successors, (1292), 1090 states have call predecessors, (1292), 1036 states have call successors, (1292) [2022-07-23 00:24:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7962 states to 7962 states and 10568 transitions. [2022-07-23 00:24:29,114 INFO L78 Accepts]: Start accepts. Automaton has 7962 states and 10568 transitions. Word has length 400 [2022-07-23 00:24:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:29,115 INFO L495 AbstractCegarLoop]: Abstraction has 7962 states and 10568 transitions. [2022-07-23 00:24:29,115 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) [2022-07-23 00:24:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 7962 states and 10568 transitions. [2022-07-23 00:24:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-23 00:24:29,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:29,128 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] [2022-07-23 00:24:29,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 00:24:29,343 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 [2022-07-23 00:24:29,344 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:29,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:29,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2119920604, now seen corresponding path program 5 times [2022-07-23 00:24:29,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:24:29,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775206455] [2022-07-23 00:24:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:29,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:24:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 00:24:31,258 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 00:24:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 00:24:33,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 00:24:33,561 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 00:24:33,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 00:24:33,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-23 00:24:33,566 INFO L356 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:24:33,572 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 00:24:33,641 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,643 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,643 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,644 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,644 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,645 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,645 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,645 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,645 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,645 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,646 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,646 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,646 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,646 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,646 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,646 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,647 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,647 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,647 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,647 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,648 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,648 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,648 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,648 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,648 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,649 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,649 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,649 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,649 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,649 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,650 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,650 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,650 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,650 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,650 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,650 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,651 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,651 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,651 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,651 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,657 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,657 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,657 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,658 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,658 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,658 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,658 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,658 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,659 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,659 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,659 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,659 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,660 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,660 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,660 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,660 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,660 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,661 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,661 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,661 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,667 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,667 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,667 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,667 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,667 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,668 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,668 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,668 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,668 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,668 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,670 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,670 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,670 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,670 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,670 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-07-23 00:24:33,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-07-23 00:24:33,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 12:24:33 BoogieIcfgContainer [2022-07-23 00:24:33,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 00:24:33,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 00:24:33,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 00:24:33,988 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 00:24:33,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:21:34" (3/4) ... [2022-07-23 00:24:33,991 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 00:24:33,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 00:24:33,992 INFO L158 Benchmark]: Toolchain (without parser) took 185318.63ms. Allocated memory was 98.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 53.3MB in the beginning and 374.9MB in the end (delta: -321.6MB). Peak memory consumption was 997.8MB. Max. memory is 16.1GB. [2022-07-23 00:24:33,992 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:24:33,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1314.87ms. Allocated memory is still 98.6MB. Free memory was 53.1MB in the beginning and 38.1MB in the end (delta: 15.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2022-07-23 00:24:33,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.04ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 38.1MB in the beginning and 77.5MB in the end (delta: -39.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-07-23 00:24:33,996 INFO L158 Benchmark]: Boogie Preprocessor took 113.03ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 65.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 00:24:33,996 INFO L158 Benchmark]: RCFGBuilder took 3763.82ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 65.1MB in the beginning and 69.3MB in the end (delta: -4.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-07-23 00:24:34,001 INFO L158 Benchmark]: TraceAbstraction took 179949.86ms. Allocated memory was 157.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 68.2MB in the beginning and 374.9MB in the end (delta: -306.7MB). Peak memory consumption was 984.6MB. Max. memory is 16.1GB. [2022-07-23 00:24:34,002 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 1.4GB. Free memory is still 374.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:24:34,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 67.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1314.87ms. Allocated memory is still 98.6MB. Free memory was 53.1MB in the beginning and 38.1MB in the end (delta: 15.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.04ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 38.1MB in the beginning and 77.5MB in the end (delta: -39.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.03ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 65.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3763.82ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 65.1MB in the beginning and 69.3MB in the end (delta: -4.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * TraceAbstraction took 179949.86ms. Allocated memory was 157.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 68.2MB in the beginning and 374.9MB in the end (delta: -306.7MB). Peak memory consumption was 984.6MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 1.4GB. Free memory is still 374.9MB. 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_#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 * 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={-36893488147419103231:0}, ref_cnt=0, size=192, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={-36893488147419103231:0}, ref_cnt=0, size=192, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=192, \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={55340232221128654883:55340232221128654870}, 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={-36893488147419103231:0}, ref_cnt=0, size=192, tmp={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, 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)={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, 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={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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=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={55340232221128654883:55340232221128654870}, 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=44, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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=44, tmp={18446744073709551617:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=44, \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={55340232221128654883:55340232221128654870}, 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=44, tmp={18446744073709551617:0}, 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={55340232221128654883:55340232221128654870}, 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)={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}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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=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={55340232221128654883:55340232221128654870}, 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=24, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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=24, tmp={-36893488147419103233:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=24, \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={55340232221128654883:55340232221128654870}, 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=24, tmp={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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)={-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}, ldvarg4={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, ldv_func_arg2={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, 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={36893488147419103233:0}, ref_cnt=0, size=2704, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, 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={55340232221128654883:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, 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={36893488147419103233:0}, ref_cnt=0, size=2704, tmp={36893488147419103233:0}, usb_counter=0] [L3363] return (p); VAL [\old(size)=2704, \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={55340232221128654883:55340232221128654870}, calloc(1UL, size)={36893488147419103233:0}, 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={36893488147419103233:0}, ref_cnt=0, size=2704, tmp={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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)={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-55340232221128654847:0}, ref_cnt=1, size=320, tmp={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-55340232221128654847:0}, ref_cnt=1, size=320, tmp={-55340232221128654847:0}, tmp___0=0, usb_counter=0] [L3334] return (p); VAL [\old(size)=320, \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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-55340232221128654847:0}, ref_cnt=1, size=320, tmp={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-55340232221128654849:0}, ldv_malloc(size)={-55340232221128654847:0}, 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={-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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, debug=0, id_table={99:0}, kmalloc(320UL, 208U)={-55340232221128654847:0}, kobil_device={101:0}, kobil_device_group0={55340232221128654849:0}, kobil_device_group1={0:0}, kobil_device_group2={-92233720368547758081:0}, kobil_device_group3={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-55340232221128654847:0}, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, actconfig={55340232221128654872:-5}, altsetting={55340232221128654875:-13}, debug=0, endpoint={55340232221128654881:55340232221128654889}, 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={36893488147419103233:0}, 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={55340232221128654880:113}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, actconfig={55340232221128654872:-5}, altsetting={55340232221128654875:-13}, altsetting->desc.bNumEndpoints=256, debug=0, endpoint={55340232221128654881:55340232221128654889}, 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={36893488147419103233:0}, 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={55340232221128654880:113}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, actconfig={55340232221128654872:-5}, altsetting={55340232221128654875:-13}, debug=0, endpoint={55340232221128654881:55340232221128654889}, 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={36893488147419103233:0}, 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={55340232221128654880:113}, priv={-55340232221128654847:0}, priv->device_type=73745, ref_cnt=1, serial={-92233720368547758081:0}, serial={-92233720368547758081:0}, tmp={-55340232221128654847:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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)=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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=44, 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)=44, \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={55340232221128654883:55340232221128654870}, debug=0, flags=44, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654849:-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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654849:-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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654849:-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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654849:-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={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, debug=0, dev={55340232221128654890:55340232221128654877}, 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={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, arg0={55340232221128654890:55340232221128654877}, 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={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L3788] EXPR port->serial [L3788] EXPR (port->serial)->dev VAL [(port->serial)->dev={55340232221128654890:55340232221128654877}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, debug=0, dev={55340232221128654890:55340232221128654877}, 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={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __create_pipe((port->serial)->dev, 0U)=26368, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, arg0={55340232221128654890:55340232221128654877}, 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={36893488147419103233:0}, 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={55340232221128654890:55340232221128654877}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={-18446744073709551615:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=115, priv->device_type=115, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=115, priv->device_type=115, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=115, priv->device_type=115, priv->device_type=115, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-73786976294838206463:0}, tmp___1=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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=1, tmp___2=26368, transfer_buffer={-73786976294838206463:0}, transfer_buffer_length=8, tty={36893488147419103233:0}, tty={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={18446744073709551617:0}, ldvarg5={-36893488147419103231:0}, ldvarg6={55340232221128654866:0}, ldvarg7={-18446744073709551617:0}, ldvarg8={-36893488147419103233:0}, ref_cnt=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103231:0}, tmp___1={18446744073709551617:0}, tmp___2={-36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, data={55340232221128654887:55340232221128654869}, 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={36893488147419103233:0}, 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={55340232221128654893:-16}, ref_cnt=1, status=0, urb={-36893488147419103231:0}, urb={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, arg0={55340232221128654893:-8}, arg0={55340232221128654893:-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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, kobil_driver={100:0}, kobil_driver_group1={-73786976294838206465:0}, ldv_func_arg1={55340232221128654893:-8}, ldv_func_arg1={55340232221128654893:-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={55340232221128654883:55340232221128654870}, data={55340232221128654887:55340232221128654869}, 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={36893488147419103233:0}, 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={55340232221128654893:-16}, ref_cnt=1, status=0, tty={0:0}, urb={-36893488147419103231:0}, urb={-36893488147419103231:0}, 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={55340232221128654883:55340232221128654870}, a={0:0}, a={0:0}, chars={55340232221128654887:55340232221128654869}, chars={55340232221128654887:55340232221128654869}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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={55340232221128654883:55340232221128654870}, 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={36893488147419103233:0}, 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: 179.5s, OverallIterations: 21, TraceHistogramMax: 24, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.2s, AutomataDifference: 147.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 mSolverCounterUnknown, 17287 SdHoareTripleChecker+Valid, 140.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16645 mSDsluCounter, 75898 SdHoareTripleChecker+Invalid, 134.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56810 mSDsCounter, 9119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21428 IncrementalHoareTripleChecker+Invalid, 30593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9119 mSolverCounterUnsat, 19088 mSDtfsCounter, 21428 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5045 GetRequests, 4795 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7962occurred in iteration=20, InterpolantAutomatonStates: 184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 23581 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 8775 NumberOfCodeBlocks, 8618 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 9103 ConstructedInterpolants, 0 QuantifiedInterpolants, 14096 SizeOfPredicates, 38 NumberOfNonLiveVariables, 21349 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 15670/15882 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 [2022-07-23 00:24:34,087 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-?-791161d [2022-07-23 00:24:36,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:24:36,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:24:36,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:24:36,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:24:36,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:24:36,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:24:36,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:24:36,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:24:36,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:24:36,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:24:36,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:24:36,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:24:36,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:24:36,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:24:36,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:24:36,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:24:36,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:24:36,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:24:36,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:24:36,127 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:24:36,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:24:36,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:24:36,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:24:36,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:24:36,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:24:36,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:24:36,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:24:36,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:24:36,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:24:36,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:24:36,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:24:36,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:24:36,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:24:36,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:24:36,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:24:36,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:24:36,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:24:36,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:24:36,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:24:36,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:24:36,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:24:36,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:24:36,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:24:36,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:24:36,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:24:36,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:24:36,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:24:36,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:24:36,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:24:36,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:24:36,185 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:24:36,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:24:36,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:24:36,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:24:36,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:24:36,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:24:36,187 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:24:36,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:24:36,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:24:36,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:24:36,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:24:36,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:24:36,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:24:36,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:24:36,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:24:36,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:24:36,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:24:36,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:24:36,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:24:36,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:24:36,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:24:36,197 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:24:36,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:24:36,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:24:36,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:24:36,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bad5b7f91b61cdf9d4f1ace01330b8d7c80f8ede0ca40c43d18f706f54101eb [2022-07-23 00:24:36,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:24:36,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:24:36,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:24:36,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:24:36,583 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:24:36,585 INFO L432 ainManager$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 [2022-07-23 00:24:36,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41e0cfef5/cd962e6c5a9d4b75a9ebd21c6969bd03/FLAG6c0a4fb9c [2022-07-23 00:24:37,303 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:24:37,303 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 [2022-07-23 00:24:37,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41e0cfef5/cd962e6c5a9d4b75a9ebd21c6969bd03/FLAG6c0a4fb9c [2022-07-23 00:24:37,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41e0cfef5/cd962e6c5a9d4b75a9ebd21c6969bd03 [2022-07-23 00:24:37,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:24:37,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:24:37,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:24:37,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:24:37,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:24:37,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:24:37" (1/1) ... [2022-07-23 00:24:37,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afef0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:37, skipping insertion in model container [2022-07-23 00:24:37,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:24:37" (1/1) ... [2022-07-23 00:24:37,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:24:37,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:24:38,482 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] [2022-07-23 00:24:38,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:24:38,530 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:24:38,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:24:38,718 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] [2022-07-23 00:24:38,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:24:38,761 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:24:38,953 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] [2022-07-23 00:24:38,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:24:39,053 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:24:39,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39 WrapperNode [2022-07-23 00:24:39,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:24:39,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:24:39,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:24:39,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:24:39,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,182 INFO L137 Inliner]: procedures = 130, calls = 787, calls flagged for inlining = 53, calls inlined = 52, statements flattened = 1849 [2022-07-23 00:24:39,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:24:39,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:24:39,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:24:39,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:24:39,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:24:39,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:24:39,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:24:39,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:24:39,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (1/1) ... [2022-07-23 00:24:39,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:24:39,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:24:39,344 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) [2022-07-23 00:24:39,355 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 [2022-07-23 00:24:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:24:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 00:24:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 00:24:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:24:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:24:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:24:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:24:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:24:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:24:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:24:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:24:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:24:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-23 00:24:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-23 00:24:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:24:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:24:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 00:24:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 00:24:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:24:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:24:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 00:24:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 00:24:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:24:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:24:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-23 00:24:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-23 00:24:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:24:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:24:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:24:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:24:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-23 00:24:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-23 00:24:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:24:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:24:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:24:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:24:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-23 00:24:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-23 00:24:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:24:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:24:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:24:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:24:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-23 00:24:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-23 00:24:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-23 00:24:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-23 00:24:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:24:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:24:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:24:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:24:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:24:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:24:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-23 00:24:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-23 00:24:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 00:24:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 00:24:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 00:24:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 00:24:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:24:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-23 00:24:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-23 00:24:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:24:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:24:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:24:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:24:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 00:24:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:24:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:24:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 00:24:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-23 00:24:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-23 00:24:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-23 00:24:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-23 00:24:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:24:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:24:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:24:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:24:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:24:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-23 00:24:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-23 00:24:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:24:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:24:39,851 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:24:39,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:24:40,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:24:56,566 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:24:56,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:24:56,586 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:24:56,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:24:56 BoogieIcfgContainer [2022-07-23 00:24:56,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:24:56,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:24:56,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:24:56,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:24:56,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:24:37" (1/3) ... [2022-07-23 00:24:56,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18424687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:24:56, skipping insertion in model container [2022-07-23 00:24:56,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:24:39" (2/3) ... [2022-07-23 00:24:56,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18424687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:24:56, skipping insertion in model container [2022-07-23 00:24:56,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:24:56" (3/3) ... [2022-07-23 00:24:56,597 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 [2022-07-23 00:24:56,610 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:24:56,610 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:24:56,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:24:56,696 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@1f1341, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5cb230e3 [2022-07-23 00:24:56,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:24:56,708 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) [2022-07-23 00:24:56,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 00:24:56,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:56,734 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] [2022-07-23 00:24:56,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:56,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1370803934, now seen corresponding path program 1 times [2022-07-23 00:24:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:24:56,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814814548] [2022-07-23 00:24:56,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:56,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:24:56,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:24:56,760 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) [2022-07-23 00:24:56,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 00:24:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:57,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-23 00:24:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:24:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-23 00:24:57,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:24:57,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:24:57,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814814548] [2022-07-23 00:24:57,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814814548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:57,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:24:57,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 00:24:57,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349611685] [2022-07-23 00:24:57,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:57,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-23 00:24:57,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:24:57,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-23 00:24:57,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-23 00:24:57,548 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) [2022-07-23 00:24:57,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:24:57,641 INFO L93 Difference]: Finished difference Result 1170 states and 1751 transitions. [2022-07-23 00:24:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 00:24:57,647 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 [2022-07-23 00:24:57,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:24:57,661 INFO L225 Difference]: With dead ends: 1170 [2022-07-23 00:24:57,661 INFO L226 Difference]: Without dead ends: 571 [2022-07-23 00:24:57,669 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 [2022-07-23 00:24:57,671 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 [2022-07-23 00:24:57,672 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] [2022-07-23 00:24:57,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-07-23 00:24:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2022-07-23 00:24:57,738 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) [2022-07-23 00:24:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 827 transitions. [2022-07-23 00:24:57,744 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 827 transitions. Word has length 128 [2022-07-23 00:24:57,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:24:57,745 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 827 transitions. [2022-07-23 00:24:57,745 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) [2022-07-23 00:24:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 827 transitions. [2022-07-23 00:24:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 00:24:57,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:24:57,749 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] [2022-07-23 00:24:57,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:24:57,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:24:57,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:24:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:24:57,966 INFO L85 PathProgramCache]: Analyzing trace with hash 948643174, now seen corresponding path program 1 times [2022-07-23 00:24:57,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:24:57,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061113314] [2022-07-23 00:24:57,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:24:57,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:24:57,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:24:57,970 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) [2022-07-23 00:24:57,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 00:24:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:24:58,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 00:24:58,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:24:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-23 00:24:59,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:24:59,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:24:59,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061113314] [2022-07-23 00:24:59,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061113314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:24:59,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:24:59,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:24:59,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352134869] [2022-07-23 00:24:59,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:24:59,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:24:59,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:24:59,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:24:59,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:24:59,680 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) [2022-07-23 00:25:00,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:00,581 INFO L93 Difference]: Finished difference Result 1139 states and 1655 transitions. [2022-07-23 00:25:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:25:00,583 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 [2022-07-23 00:25:00,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:00,593 INFO L225 Difference]: With dead ends: 1139 [2022-07-23 00:25:00,593 INFO L226 Difference]: Without dead ends: 573 [2022-07-23 00:25:00,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:25:00,601 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 2 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:25:00,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4907 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 00:25:00,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-07-23 00:25:00,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2022-07-23 00:25:00,634 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) [2022-07-23 00:25:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 834 transitions. [2022-07-23 00:25:00,643 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 834 transitions. Word has length 128 [2022-07-23 00:25:00,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:00,645 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 834 transitions. [2022-07-23 00:25:00,645 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) [2022-07-23 00:25:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 834 transitions. [2022-07-23 00:25:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-23 00:25:00,651 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:00,651 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] [2022-07-23 00:25:00,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:25:00,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:25:00,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:00,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1579561543, now seen corresponding path program 1 times [2022-07-23 00:25:00,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:25:00,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770836074] [2022-07-23 00:25:00,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:25:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:25:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:25:00,872 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) [2022-07-23 00:25:00,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 00:25:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:01,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-23 00:25:01,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:25:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-07-23 00:25:02,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:25:02,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:25:02,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770836074] [2022-07-23 00:25:02,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770836074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:25:02,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:25:02,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:25:02,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840002729] [2022-07-23 00:25:02,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:25:02,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:25:02,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:25:02,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:25:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:25:02,242 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) [2022-07-23 00:25:02,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:02,914 INFO L93 Difference]: Finished difference Result 1155 states and 1669 transitions. [2022-07-23 00:25:02,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:25:02,917 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 [2022-07-23 00:25:02,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:02,921 INFO L225 Difference]: With dead ends: 1155 [2022-07-23 00:25:02,921 INFO L226 Difference]: Without dead ends: 593 [2022-07-23 00:25:02,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:25:02,928 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 39 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:25:02,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3281 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 00:25:02,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-07-23 00:25:02,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 591. [2022-07-23 00:25:02,970 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) [2022-07-23 00:25:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 846 transitions. [2022-07-23 00:25:02,974 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 846 transitions. Word has length 134 [2022-07-23 00:25:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:02,975 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 846 transitions. [2022-07-23 00:25:02,975 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) [2022-07-23 00:25:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 846 transitions. [2022-07-23 00:25:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-23 00:25:02,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:02,981 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] [2022-07-23 00:25:03,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:25:03,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:25:03,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash -356464088, now seen corresponding path program 2 times [2022-07-23 00:25:03,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:25:03,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142791468] [2022-07-23 00:25:03,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:25:03,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:25:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:25:03,209 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) [2022-07-23 00:25:03,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 00:25:11,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 00:25:11,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:25:11,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 00:25:11,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:25:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-07-23 00:25:12,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:25:12,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:25:12,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142791468] [2022-07-23 00:25:12,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142791468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:25:12,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:25:12,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:25:12,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399066266] [2022-07-23 00:25:12,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:25:12,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 00:25:12,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:25:12,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 00:25:12,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 00:25:12,284 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) [2022-07-23 00:25:12,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:25:12,634 INFO L93 Difference]: Finished difference Result 1149 states and 1658 transitions. [2022-07-23 00:25:12,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:25:12,636 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 [2022-07-23 00:25:12,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:25:12,642 INFO L225 Difference]: With dead ends: 1149 [2022-07-23 00:25:12,642 INFO L226 Difference]: Without dead ends: 592 [2022-07-23 00:25:12,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:25:12,647 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 [2022-07-23 00:25:12,649 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] [2022-07-23 00:25:12,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-07-23 00:25:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2022-07-23 00:25:12,666 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) [2022-07-23 00:25:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 847 transitions. [2022-07-23 00:25:12,669 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 847 transitions. Word has length 140 [2022-07-23 00:25:12,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:25:12,670 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 847 transitions. [2022-07-23 00:25:12,670 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) [2022-07-23 00:25:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 847 transitions. [2022-07-23 00:25:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-23 00:25:12,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:25:12,672 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] [2022-07-23 00:25:12,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-23 00:25:12,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:25:12,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_ttyErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:25:12,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:25:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2069020180, now seen corresponding path program 1 times [2022-07-23 00:25:12,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:25:12,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530816515] [2022-07-23 00:25:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:25:12,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:25:12,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:25:12,895 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) [2022-07-23 00:25:12,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 00:25:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:25:13,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 00:25:13,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:25:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-23 00:25:14,137 INFO L328 TraceCheckSpWp]: Computing backward predicates...